Force, Motion & Gravity MCQs with Answers

Weight is the pull of _ that acts on the mass of an object.

• A.Tension
• B.Friction
• C.Magnetism
• D.Gravity

Which of the following is the second kind of lever?

• A.A nail cutter
• B.A seesaw
• C.A pair of tongs
• D.A bottle opener

Newton's law of gravitation holds between every two objects on the _?

• A.Earth
• B.Universe
• C.Solar System
• D.Galaxy

A ball is thrown with a speed of 36 m/s and is caught at the same height. What is the total horizontal distance it covered?

• A.129.60 m
• B.132.24 m
• C.135.00 m
• D.126.48 m

Force per unit area is called _?

• A.Pressure
• B.Density
• C.Thrust
• D.Stress

Which statement is incorrect about the force?

• A.Force can change the speed of an object
• B.Force can change the direction of an object
• C.Force can change the content of an object
• D.Force can change the shape of an object

An airplane is flying in a straight line at a constant altitude. If a wind gust strikes and raises the nose of the airplane, the nose will bob up and down until the plane eventually returns to its original position and altitude. These oscillations are _?

• A.Undamped
• B.Overdamped
• C.Underdamped
• D.Critically damped

Center of gravity of an object lies _?

• A.Always inside the object
• B.Always outside the object
• C.May be outside or inside the object
• D.Only at the geometric center

The time period of a simple pendulum depends upon the?

• A.Mass of the bob
• B.Amplitude of oscillation
• C.Length of the pendulum
• D.Material of the bob

A car travels east at constant velocity. The net force on the car is ?

• A.Eastward
• B.Westward
• C.Zero
• D.Equal to its weight