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Physical Science: Forces and Motion

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Questions and Answers

What is the definition of a force?

A force is a push, pull, or other factor that can make an object move, stop, change direction, or change speed (correct)
A force is a type of motion
A force is a type of gravity
A force is a type of energy

What happens when forces are balanced?

They cause an object to stay still
They only cause movement occasionally
They cause movement
They do not cause movement (correct)

What is motion?

The action or process of moving or being moved (correct)
The action or process of changing speed
The action or process of changing direction
The action or process of staying still

What is the main idea of Newton's Laws of Motion?

An object at rest stays at rest, unless acted upon by an outside force (B) Signup and view all the answers

What is an example of a non-contact force?

Gravity (B) Signup and view all the answers

What happens when forces are unbalanced?

They cause movement (D) Signup and view all the answers

What is the definition of motion?

The action or process of moving or being moved (A) Signup and view all the answers

What is an example of a contact force?

Muscular force (A) Signup and view all the answers

What is the purpose of muscular force?

To help the body move, twist, turn, push, and pull (B) Signup and view all the answers

What is the definition of a contact force?

A force that occurs when objects come into direct contact with each other (B) Signup and view all the answers