FORCES & MAGNETS Pacer test review

Front

What are gravity and magnetism classified as?

Back

Non-contact forces.

Front

What happens when two equal and opposite forces are applied to an object?

Back

The object doesn't move.

Front

What type of friction does Sally experience when sliding?

Back

Sliding Friction.

Front

If both people are exerting a force of 20 N in opposite directions, what is the net force?

Back

0 N.

Front

What type of friction do swimming fish experience?

Back

Fluid Friction.

Front

Define contact forces.

Back

Forces that require physical contact between objects.

Front

Define non-contact forces.

Back

Forces that act at a distance without physical contact.

Front

What is the net force when forces are balanced?

Back

The net force is zero.

Front

What is the effect of unbalanced forces on an object?

Back

The object will accelerate in the direction of the net force.

Front

What is friction?

Back

A force that opposes the motion of an object.