PAX PAX Physics Fundamentals

Question 1

Which of the following is the SI unit of force?

Accepted Answer

Newton

Answer

Joule

Answer

Watt

Answer

Pascal

Question 2

What happens to the speed of light as it moves from air into glass?

Accepted Answer

It decreases

Answer

It increases

Answer

It stays the same

Answer

It doubles

Question 3

Which type of energy is stored in a compressed spring?

Accepted Answer

Potential energy

Answer

Kinetic energy

Answer

Thermal energy

Answer

Chemical energy

Question 4

An object in motion will remain in motion unless acted upon by an external force. This is Newton's:

Accepted Answer

First Law

Answer

Second Law

Answer

Third Law

Answer

Fourth Law

Question 5

What is the term for the bending of light as it passes from one medium to another?

Accepted Answer

Refraction

Answer

Reflection

Answer

Diffraction

Answer

Dispersion

Question 6

Which of the following correctly states the relationship between work, force, and distance?

Accepted Answer

W = F × d

Answer

W = F + d

Answer

W = F / d

Answer

W = d / F