Force, Motion & Gravity MCQs with Answers

Past Paper MCQ

A ball is thrown vertically upwards. The acceleration due to gravity _?

• A.9.8 m/s² upward
• B.Decreases as the ball goes up
• C.Zero
• D.9.8 m/s² downward

Past Paper MCQ

What is the correct meaning of torque?

• A.A force that tends to cause rotation
• B.A force that opposes motion between surfaces
• C.A force that pulls objects toward the center of the Earth
• D.A force that causes linear acceleration only

The weight of an object in an elevator moving down with acceleration of 9.8 m/s² will become:

• A.Double
• B.Half
• C.Zero
• D.Unchanged

The ability of a body to return to its original shape after the removal of deforming force is called ?

• A.Plasticity
• B.Malleability
• C.Ductility
• D.Elasticity

When a droplet reaches terminal velocity, its acceleration is ?

• A.Maximum
• B.Zero
• C.Equal to gravity
• D.Constantly increasing

What does acceleration refer to in physics?

• A.Rate of change of velocity
• B.Change in speed or direction per unit time
• C.Both A and B
• D.Rate of change of displacement

Newton's third law of motion states that for every action, there is an equal and opposite reaction. Which of the following statements can be inferred from the above-mentioned law of motion? Statement 1: For every interaction, there is a pair of forces acting on the two interacting objects. Statement 2: The magnitude of the force on the first object equals the magnitude of the force on the second object. Statement 3: Forces always come in pairs - equal and opposite action-reaction force pairs. Statement 4: Action and its reaction act on two same bodies. Statement 5: Action and its reaction act on two different bodies.

• A.All statements except 4th can be inferred from the 3rd Law of Motion
• B.All statements except 3rd can be inferred from the 3rd Law of Motion
• C.All statements except 5th can be inferred from the 3rd Law of Motion
• D.All of these statements can be inferred from the 3rd Law of Motion

If you travel to the Moon, your mass will remain the same because:

• A.The Moon's atmosphere affects mass
• B.The Moon has no gravity
• C.Your weight remains constant everywhere
• D.You are made up of the same amount of matter

If two bodies are moving in opposite directions with non-zero velocities, which of the following statements is true?

• A.Relative velocity = Absolute velocity
• B.Relative velocity > Absolute velocity
• C.Relative velocity < Absolute velocity
• D.Relative velocity is zero

Motion along a line is called motion in ?

• A.One dimension
• B.Two dimensions
• C.Three dimensions
• D.None of these