Physics

Question 1

What are the two main categories of forces?

Answer 1

Contact forces and non-contact forces.

Question 2

True or False: Friction is a type of contact force.

Answer 2

True.

Question 3

Fill in the blank: The force that opposes the motion of an object through a fluid is called ____.

Answer 3

drag.

Question 4

What does Newton’s First Law of Motion state?

Answer 4

An object at rest stays at rest, and an object in motion stays in motion unless acted upon by a net external force.

Question 5

Multiple Choice: Which of the following is NOT a type of friction? A) Static B) Kinetic C) Gravitational D) Rolling

Answer 5

C) Gravitational.

Question 6

True or False: Balanced forces result in a change in the motion of an object.

Answer 6

False

Question 7

Fill in the blank: According to Newton’s third law, for every action, there is an equal and opposite _______.

Answer 7

reaction

Question 8

What is Hooke’s Law?

Answer 8

Hooke’s Law states that the force needed to extend or compress a spring is proportional to the distance it is stretched or compressed.

Question 9

Which of the following forces is an example of an unbalanced force? A) A book resting on a table B) A car accelerating forward C) A person sitting still

Answer 9

B) A car accelerating forward