GCSE Physics: Forces and Motion

Question 1

What is Newton's First Law of Motion?

Accepted Answer

An object remains at rest or in uniform motion unless acted on by a resultant force.

Answer

Force equals mass times acceleration.

Answer

Every action has an equal and opposite reaction.

Answer

The acceleration of an object is proportional to the net force applied.

Question 2

A car of mass 1,000 kg accelerates at 3 m/s². What is the resultant force acting on it?

Accepted Answer

3,000 N

Answer

333 N

Answer

1,003 N

Answer

300 N

Question 3

Which of the following is a vector quantity?

Accepted Answer

Velocity

Answer

Speed

Answer

Mass

Answer

Temperature

Question 4

A ball is dropped from rest and falls 5 m. Using g = 10 m/s², what is its speed just before hitting the ground?

Accepted Answer

10 m/s

Answer

5 m/s

Answer

50 m/s

Answer

100 m/s

Question 5

What does the gradient of a distance-time graph represent?

Accepted Answer

Speed

Answer

Acceleration

Answer

Force

Answer

Momentum

Question 6

When two ice skaters push off each other, they move in opposite directions. This demonstrates which law?

Accepted Answer

Newton's Third Law

Answer

Newton's First Law

Answer

Newton's Second Law

Answer

The Law of Conservation of Energy