Force, Motion & Gravity MCQs with Answers

A car is moving in a circular path at a constant speed. What provides the necessary centripetal force to keep the car moving in this path?

• A.The gravitational pull of the Earth
• B.The engine's forward thrust
• C.The friction between the tyres and the road
• D.The tension in the car's axles

A wooden box is sitting on a table. The normal force on the box from the table is 75 N. A second identical box is placed on top of the first box. The normal force on the first box by the table will ?

• A.Increase to 150 N
• B.Remain at 75 N
• C.Decrease to 37.5 N
• D.Increase to 112.5 N

An aircraft makes a turn in a horizontal circle of radius 100 m. It is travelling with a velocity of 250 m/sec. The angular velocity of the aircraft will be?

• A.25 rad/sec
• B.2.5 rad/sec
• C.0.4 rad/sec
• D.25000 rad/sec

Where is the slowest pendulum vibration observed on Earth?

• A.At the poles
• B.At the equator
• C.At 45° latitude
• D.At sea level anywhere

Atmospheric pressure acts in _?

• A.All directions
• B.Downward direction only
• C.Upward direction only
• D.Horizontal direction only

A bullet on penetrating 30 cm into its target loses its velocity by 50%. What additional distance will it penetrate into the target before it comes to rest?

• A.30 cm
• B.15 cm
• C.20 cm
• D.10 cm

A ball is thrown vertically upward with a velocity of 98 m/s. How high does the ball rise? (G = 9.8 m/sec²)

• A.245 m
• B.980 m
• C.490 m
• D.196 m

The motion of an object in a circular path is known as?

• A.Translatory motion
• B.Vibratory motion
• C.Rotational motion
• D.Oscillatory motion

According to Newton's Second Law of Motion, what happens when a force acts on an object?

• A.It accelerates
• B.It remains stationary
• C.It moves at constant velocity
• D.It loses mass

How many types of motion are there?

• A.2
• B.3
• C.4
• D.5