Force and Motion Review

Something that can cause a change in an object's motion is called ...

• velocity.

• friction.

• a force.

• acceleration.

Tags

NGSS.MS-PS2-2

When an object accelerates, it can ...

• slow down.

• change its direction.

• speed up.

• All of the answer choices.

A car that is travelling at a steady 35 mph north will continue travelling at that speed and in that direction UNLESS ...

• unbalanced forces act on the car.

• no forces act on the car.

• balanced forces act on the car.

Tags

NGSS.MS-PS2-2

Which of the following types of measurement is NOT a vector?

• speed

• force

• acceleration

• velocity

The rate at which velocity changes over time is called ...

• acceleration.

• speed.

• force.

• None of the answer choices.

What do we call the force that two surfaces exert on each other when they rub against each other?

• gravity

• field force

• friction

• net force

The sum of all the forces acting on an object is called ...

• the contact force.

• the net force.

• the overall force.

• friction.

Tags

NGSS.MS-PS2-2

TRUE or FALSE

A bicycle slows down when the rider stops pedaling because the forces on the bicycle are balanced.

• True

• False

Tags

NGSS.HS-PS2-1

This picture shows two forces acting on a domino at rest.  The forces are ____ and the domino will ____.

• unbalanced; begin moving

• balanced; not begin moving

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1

In order for an object to start moving, stop moving, or change direction, the object must have ______ applied to it.

• no forces

• an unbalanced force

• a balanced force

• inertia

Tags

NGSS.MS-PS2-2