Force Review

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

• push or pull

• open or close

• tug or fall

• piece or whole

Force is measured in

• watts

• joules

• newtons

• horse power

Arrows are used to represent force, they represent both

• strength and direction

• direction and speed

• strength and speed

• mass and strength

The formula to calculate force is

• mass x weight

• mass x acceleration

• mass / speed

• weight/acceleration

The force that always acts in a direction opposite to the motion of an object is:

• an applied force

• friction

• gravity

• magnetic

______ is not a force.

• gravity

• friction

• mass

• all of these

Jeff pushes a box across the floor. What causes the box to move?

• an applied force

• gravity

• electric

• inertia

True of False: Because force is a vector measurement, it has both magnitude and direction.

• True

• False

True or False: Gravity is the force that pulls objects toward Earth.

• True

• False

True or False: Friction can be represented with a vector.

• True

• False