5 tests with 10 questions each.
Only theory/concept-based questions are included; numerical calculation questions have been excluded.
Submit a test to receive your score.
Correct answers remain hidden until the password is entered.
Each question carries 1 mark.

Answer-reveal password: LAW11

Test 1 — Newton's Laws & Inertia

10 questions • 1 mark each

1. Newton's first law of motion is also associated with the law of:

A. Inertia B. Conservation of energy C. Gravitation D. Friction

2. According to Newton's first law, a body continues in its state unless acted upon by:

A. An internal force B. An external unbalanced force C. A balanced force D. A reaction force only

3. Inertia of a body is closely related to its:

A. Mass B. Temperature C. Volume only D. Colour

4. A passenger tends to move forward when a moving bus stops suddenly because of:

A. Friction B. Inertia of motion C. Gravity D. Centripetal force

5. When a bus makes a sharp right turn, passengers tend to tilt left because their bodies tend to:

A. Move toward the right B. Continue along the original direction C. Move downward D. Stop immediately

6. A body moving with constant velocity is in:

A. Static equilibrium B. Dynamic equilibrium C. Unstable equilibrium D. No equilibrium

7. If the net external force on a body is zero, its acceleration is:

A. Maximum B. Zero C. Always negative D. Always positive

8. Aristotle's view that an external force is required to maintain motion was challenged by the concept of:

A. Inertia B. Mass conservation C. Electric charge D. Buoyancy

9. The principle of physical independence of forces is associated in the source with Newton's:

A. First law B. Second law C. Third law D. Law of gravitation

10. A non-zero acceleration observed when no real force acts can indicate that the observer is using a:

A. Rest frame only B. Non-inertial frame C. Vacuum frame D. Static frame

Correct answers are locked.

Test 2 — Newton's Second Law, Momentum & Impulse

10 questions • 1 mark each

1. Newton's second law relates net force to the:

A. Rate of change of momentum B. Position of a body C. Mass alone D. Time alone

2. Momentum is defined as the product of:

A. Mass and velocity B. Mass and acceleration C. Force and time D. Force and distance

3. Momentum is a measure of the quantity of:

A. Motion B. Friction C. Temperature D. Pressure

4. The SI unit of linear momentum is:

A. kg m/s B. N/m C. kg/s² D. J/s

5. Impulse is equal to the:

A. Rate of change of force B. Change in momentum C. Change in mass D. Product of mass and acceleration

6. Force multiplied by the time interval for which it acts gives:

A. Work B. Power C. Impulse D. Kinetic energy

7. The dimensions of impulse are the same as those of:

A. Momentum B. Acceleration C. Energy D. Power

8. For a constant-mass body, Newton's second law can be written in the familiar form:

A. F = ma B. F = mv C. F = m/a D. F = v/m

9. For a variable-mass system, the general expression for force is based on:

A. Rate of change of momentum B. Mass alone C. Velocity alone D. Displacement alone

10. When a force acts for a very short time during an interaction, the useful quantity for describing its effect is:

A. Impulse B. Density C. Power D. Pressure

Correct answers are locked.

Test 3 — Newton's Third Law & Equilibrium

10 questions • 1 mark each

1. Newton's third law states that action and reaction forces are:

A. Equal and opposite B. Equal and in the same direction C. Unequal and opposite D. Always zero

2. Action and reaction forces act on:

A. The same body B. Different interacting bodies C. Only stationary bodies D. Only moving bodies

3. The forces between two bodies in contact are:

A. In the same direction B. Opposite in direction C. Always perpendicular D. Always zero

4. Cannon recoil is explained by:

A. Newton's first law B. Newton's second law only C. Newton's third law D. Law of gravitation only

5. When a person walks forward, the ground provides a reaction force that helps the person move:

A. Backward B. Forward C. Vertically upward only D. Sideways only

6. A body is in translational equilibrium when the:

A. Net force is zero B. Net force is maximum C. Velocity must be zero D. Acceleration must be maximum

7. A body in translational equilibrium can be:

A. Only at rest B. Only moving uniformly C. At rest or moving with constant velocity D. Always accelerating

8. For complete equilibrium of a rigid body, the resultant force and resultant:

A. Mass must be zero B. Moment must be zero C. Velocity must be zero D. Momentum must be maximum

9. If a body returns to its original equilibrium position after a small displacement, the equilibrium is called:

A. Stable B. Unstable C. Neutral D. Dynamic

10. In neutral equilibrium, after displacement the body:

A. Must return to its original position B. Can attain a new equilibrium position C. Must accelerate indefinitely D. Must lose all energy

Correct answers are locked.

Test 4 — Friction & Applications

10 questions • 1 mark each

1. Static friction is described in the source as a:

A. Self-adjusting force B. Constant force C. Non-contact force D. Gravitational force

2. Static friction adjusts its magnitude up to its:

A. Limiting value B. Zero value C. Maximum velocity D. Mass value

3. Kinetic friction acts generally:

A. In the direction of motion B. Opposite to relative motion C. Only vertically D. Only when a body is at rest

4. Friction is important in daily life because it helps us to:

A. Walk and grip objects B. Eliminate inertia C. Remove gravity D. Stop all motion

5. Too much friction in machines can:

A. Reduce efficiency B. Increase mass C. Remove momentum D. Eliminate force

6. Lubricants are used mainly to reduce:

A. Sliding friction B. Inertia C. Mass D. Gravitational force

7. The limiting friction acts when a body is:

A. Just at the point of motion B. Moving with zero acceleration only C. In free fall D. In neutral equilibrium

8. The angle of repose is equal to the angle of:

A. Limiting friction B. Momentum C. Impulse D. Acceleration

9. When a box is stationary relative to a train moving with constant velocity, friction is not required because there is:

A. No relative motion B. Maximum acceleration C. Maximum friction D. A pseudo force

10. For an accelerating train, friction can provide the force needed to accelerate a box along the:

A. Direction of the train's acceleration B. Opposite direction always C. Vertical direction D. Direction of gravity

Correct answers are locked.

Test 5 — Circular Motion, Pseudo Force & Conservation

10 questions • 1 mark each

1. In uniform circular motion, the speed remains constant but the velocity:

A. Remains constant B. Changes continuously C. Becomes zero D. Has no direction

2. The instantaneous acceleration of an object in uniform circular motion is directed:

A. Away from the centre B. Towards the centre C. Along the tangent only D. Vertically upward always

3. Centripetal force is required to keep an object moving in a:

A. Straight line B. Circular path C. Resting position D. Random path only

4. For a body moving at constant speed in a horizontal circle, which quantity remains constant?

A. Kinetic energy B. Velocity C. Direction of acceleration D. Position vector

5. Banking of roads provides an additional component of the normal reaction that helps provide:

A. Centripetal force B. Weight C. Momentum D. Impulse

6. A pseudo force is introduced when motion is described from a:

A. Non-inertial frame B. Perfectly inertial frame C. Stationary laboratory only D. Vacuum only

7. In a non-inertial frame, an observer may introduce a pseudo force to account for:

A. Observed acceleration effects B. Mass creation C. Energy destruction D. Atomic structure

8. When external force on a system is absent, its total linear momentum is:

A. Conserved B. Always zero C. Always increasing D. Always decreasing

9. During an inelastic collision, the total momentum of an isolated system is conserved, while:

A. Mechanical energy may change B. Total energy is destroyed C. Momentum is destroyed D. Mass disappears

10. A body at rest that breaks into two equal masses, with no external force, will have the two pieces move:

A. In the same direction B. In opposite directions with equal speeds C. Only vertically D. At unequal speeds in the same direction

Correct answers are locked.

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NEET Laws of Motion 50 MCQS QUIZ AUGUST 21

Instructions

Test 1 — Newton's Laws & Inertia

1. Newton's first law of motion is also associated with the law of:

2. According to Newton's first law, a body continues in its state unless acted upon by:

3. Inertia of a body is closely related to its:

4. A passenger tends to move forward when a moving bus stops suddenly because of:

5. When a bus makes a sharp right turn, passengers tend to tilt left because their bodies tend to:

6. A body moving with constant velocity is in:

7. If the net external force on a body is zero, its acceleration is:

8. Aristotle's view that an external force is required to maintain motion was challenged by the concept of:

9. The principle of physical independence of forces is associated in the source with Newton's:

10. A non-zero acceleration observed when no real force acts can indicate that the observer is using a:

Test 2 — Newton's Second Law, Momentum & Impulse

1. Newton's second law relates net force to the:

2. Momentum is defined as the product of:

3. Momentum is a measure of the quantity of:

4. The SI unit of linear momentum is:

5. Impulse is equal to the:

6. Force multiplied by the time interval for which it acts gives:

7. The dimensions of impulse are the same as those of:

8. For a constant-mass body, Newton's second law can be written in the familiar form:

9. For a variable-mass system, the general expression for force is based on:

10. When a force acts for a very short time during an interaction, the useful quantity for describing its effect is:

Test 3 — Newton's Third Law & Equilibrium

1. Newton's third law states that action and reaction forces are:

2. Action and reaction forces act on:

3. The forces between two bodies in contact are:

4. Cannon recoil is explained by:

5. When a person walks forward, the ground provides a reaction force that helps the person move:

6. A body is in translational equilibrium when the:

7. A body in translational equilibrium can be:

8. For complete equilibrium of a rigid body, the resultant force and resultant:

9. If a body returns to its original equilibrium position after a small displacement, the equilibrium is called:

10. In neutral equilibrium, after displacement the body:

Test 4 — Friction & Applications

1. Static friction is described in the source as a:

2. Static friction adjusts its magnitude up to its:

3. Kinetic friction acts generally:

4. Friction is important in daily life because it helps us to:

5. Too much friction in machines can:

6. Lubricants are used mainly to reduce:

7. The limiting friction acts when a body is:

8. The angle of repose is equal to the angle of:

9. When a box is stationary relative to a train moving with constant velocity, friction is not required because there is:

10. For an accelerating train, friction can provide the force needed to accelerate a box along the:

Test 5 — Circular Motion, Pseudo Force & Conservation

1. In uniform circular motion, the speed remains constant but the velocity:

2. The instantaneous acceleration of an object in uniform circular motion is directed:

3. Centripetal force is required to keep an object moving in a:

4. For a body moving at constant speed in a horizontal circle, which quantity remains constant?

5. Banking of roads provides an additional component of the normal reaction that helps provide:

6. A pseudo force is introduced when motion is described from a:

7. In a non-inertial frame, an observer may introduce a pseudo force to account for:

8. When external force on a system is absent, its total linear momentum is:

9. During an inelastic collision, the total momentum of an isolated system is conserved, while:

10. A body at rest that breaks into two equal masses, with no external force, will have the two pieces move:

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