Force, Motion & Gravity MCQs with Answers

Past Paper MCQ

What is the minimum length of runway of Javelin throw?

• A.30m
• B.35m
• C.40m
• D.25m

A cubical block rests on an inclined plane with coefficient of friction μ = 1/√3. Determine the angle of inclination when the block just slides down the inclined plane.

• A.60°
• B.45°
• C.30°
• D.90°

Let us suppose a mass on Earth be 100 kg. What will be mass on moon?

• A.100 kg
• B.16.67 kg
• C.600 kg
• D.0 kg

Law of conservation of momentum defines that the total momentum of a system of two bodies before and after collision ?

• A.Remains constant
• B.Becomes zero
• C.Increases gradually
• D.Decreases gradually

Which one from among the following is not an example of a wedge?

• A.Knife
• B.Axe
• C.Ramp
• D.Chisel

A body at rest moves with an acceleration. After 3 seconds, its momentum is:

• A.3 Ns
• B.6 Ns
• C.9 Ns
• D.None of these

The speed of an object, one second after it has been dropped on a planet, is 8 m/s. What will be its speed after 3 seconds from the moment it was first dropped?

• A.16 m/s
• B.48 m/s
• C.32 m/s
• D.24 m/s

Which of the following is unimportant in describing the satellite's orbit?

• A.Orbital velocity
• B.Radius of orbit
• C.Mass of satellite
• D.Distance from the Earth

If an object is revolving in a circular path of radius 2 m and during its motion, it traverses an arc of length 4 m, then the angle (in radians) made at the center of the circle by it is

• A.2 rad
• B.1 rad
• C.4 rad
• D.0.5 rad

A lever is a simple machine that can be used to push or lift a heavy object. Which of the following is an example of a lever?

• A.Wheelbarrow
• B.Inclined plane
• C.Screw
• D.Pulley