Force, Motion & Gravity MCQs with Answers

A ball is kicked horizontally from the top of a 10m high cliff with an initial speed of 15m/s. After 2 seconds, which of the following statements describes the ball's horizontal and vertical components?

• A.The horizontal velocity is 15 m/s while vertical velocity is 20 m/s downwards
• B.The horizontal velocity is 0 m/s while vertical velocity is 20 m/s downwards
• C.The horizontal velocity is 15 m/s while vertical velocity is 10 m/s downwards
• D.The horizontal velocity is 30 m/s while vertical velocity is 20 m/s downwards

A force can change all of the following of an object except?

• A.Speed
• B.Direction
• C.Shape
• D.Mass

Which of the following use movable pulleys?

• A.Well water buckets
• B.Flagpoles
• C.Window blinds
• D.Cranes

The moment of inertia depends on?

• A.Mass of the body
• B.Distribution of mass about the axis of rotation
• C.Shape of the body
• D.All of these

The time period of a simple pendulum is independent of its _?

• A.Mass
• B.Length
• C.Acceleration due to gravity
• D.Amplitude (for small oscillations)

Inertia is?

• A.Energy possessed by a moving body
• B.Force of attraction between two masses
• C.Rate of change of velocity
• D.Resistance to change in motion

The velocity of a projectile is maximum at?

• A.Point of projection
• B.Maximum height
• C.Point of landing
• D.Midpoint of trajectory

A bomber drops a bomb, when it is vertically above the target. It misses the target because ?

• A.Gravity does not act on the bomb
• B.The bomb falls vertically downward only
• C.Air resistance pushes the bomb backward
• D.The bomber is moving forward with a horizontal velocity

A 150 kg car has its speed reduced from 20 m/s to 10 m/s in 3.0 seconds. How large was the average braking force?

• A.300 N
• B.500 N
• C.750 N
• D.1000 N

Past Paper MCQ

The force with which the earth attracts a body towards itself is called?

• A.Mass
• B.Weight
• C.Gravity
• D.Tension