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5/37 MCQs for:

MECHANICS : FORCES - Newton’s laws of Motion

Which of the following is a real-life application of Newton's Second Law of Motion?

A passenger feeling pushed back in a car when it accelerates.

A parachutist falling through the air.

A rocket lifting off due to expelling gases.

A person jumping forward off a moving bicycle.

A 10 kg object experiences a force of 50 N. What is its acceleration?

5 m/s².

500 m/s².

50 m/s².

0.5 m/s².

If a car with a mass of 1500 kg accelerates at 3 m/s², what is the force acting on the car?

5000 N.

1500 N.

4500 N.

3000 N.

The figure shows an arrangement which is used to investigate collisions between two trolleys. Trolley B is initially stationary and the end of Y of the tape is closer to trolley A.

A ticker tape produced from this experiment will likely be:

The law of inertia explains why passengers in a car are thrown forward when the car suddenly stops. This is an example of:

Newton's Third Law of Motion.

Newton's First Law of Motion.

Newton's Second Law of Motion.

The Law of Universal Gravitation.