Mid-term Exam Part 1

Front

What is Newton's 3rd Law?

Back

For every action there is an equal and opposite reaction.

Front

What is the force that always acts in a direction opposite to the motion of an object?

Back

Friction.

Front

Which of the following is NOT a chemical change?

Back

Water Evaporating.

Front

A force is a __________ or __________ acting on an object.

Back

push, pull.

Front

The toaster shows an example of ______ energy converted to ______ energy.

Back

electrical energy to thermal energy.

Front

What is the definition of force?

Back

A push or pull acting on an object.

Front

What is friction?

Back

A force that opposes the motion of an object.

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances.

Front

What is an example of a physical change?

Back

Water evaporating.

Front

What is the relationship between mass, force, and acceleration?

Back

Acceleration depends on two variables: the mass of the object and the amount of force applied.