EOC Physics

Question 1

A car accelerates from rest to 20 m/s in 5 seconds. What is its acceleration?

Accepted Answer

4 m/s²

Answer

2 m/s²

Answer

10 m/s²

Answer

100 m/s²

Question 2

According to Newton's First Law, an object at rest will remain at rest unless:

Accepted Answer

a net external force acts on it

Answer

it loses mass

Answer

gravity decreases

Answer

friction increases

Question 3

A 10 kg object is pushed with a net force of 30 N. What is its acceleration?

Accepted Answer

3 m/s²

Answer

0.3 m/s²

Answer

20 m/s²

Answer

300 m/s²

Question 4

Which of the following is a scalar quantity?

Accepted Answer

Speed

Answer

Velocity

Answer

Force

Answer

Displacement

Question 5

A ball is thrown horizontally from a cliff. Which statement about its motion is correct?

Accepted Answer

Vertical acceleration is 9.8 m/s² downward

Answer

Horizontal and vertical motions are dependent on each other

Answer

Horizontal velocity increases due to gravity

Answer

The ball travels in a straight line

Question 6

When two objects collide and stick together, what type of collision has occurred?

Accepted Answer

Perfectly inelastic collision

Answer

Elastic collision

Answer

Explosive collision

Answer

Nuclear collision

Question 7

What is the momentum of a 5 kg object moving at 8 m/s?

Accepted Answer

40 kg·m/s

Answer

1.6 kg·m/s

Answer

13 kg·m/s

Answer

3 kg·m/s