6th grade Force and Motion Review

Front

Newtons law states that for every action, there is an_________ reaction

Back

equal and opposite

Front

What is the net force when two forces of 20 N and 25 N act in the same direction?

Back

45 N to the right

Front

How do balanced forces affect an object?

Back

They do not cause any change in the object's motion.

Front

What type of energy is greatest when the cannonball is at its highest point?

Back

potential energy

Front

What type of forces are acting when an object is in motion and not changing speed?

Back

Balanced forces

Front

What is the definition of force?

Back

A push or pull on an object.

Front

What is kinetic energy?

Back

The energy of an object in motion.

Front

What is potential energy?

Back

The stored energy of an object due to its position.

Front

What happens to an object when unbalanced forces act on it?

Back

It accelerates in the direction of the net force.

Front

What is friction?

Back

A force that opposes motion between two surfaces in contact.