Force Unit Test

Front

Force is a _____ one object exerts on another object.

Back

push or pull

Front

_____ is the force air exerts on a moving object. The force acts in the opposite direction to the object's motion.

Back

Air resistance

Front

Which one is balanced?

Back

top

Front

According to Newton's 2nd Law: A net force acting on an object causes the object to ________ in the direction of the force.

Back

accelerate

Front

If 2 objects are exerting forces on each other, but neither object is moving, then those forces are ______ in size and _______ in direction.

Back

equal; opposite

Front

What is the definition of force?

Back

A push or pull on an object.

Front

What is Newton's 1st Law of Motion?

Back

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

Front

What is the unit of force?

Back

Newton (N)

Front

What does balanced force mean?

Back

Forces that are equal in size and opposite in direction, resulting in no change in motion.

Front

What is unbalanced force?

Back

Forces that are not equal and cause a change in motion.