Forces and Changes in Motion

What force resists motion and produces heat?

• friction

• pull

• push

• gravity

Which means a change in position?

• force

• velocity

• motion

• speed

When an object is in motion, its ______ is changing.

• frame of reference

• position

• weight

• mass

Which measures a change in position over a period of time?

• periodic motion

• speed

• friction

• forces

How can you tell if a car is moving?

• The car is changing its position.

• The car has wheels.

• The car is in the driveway.

• The car has a motor.

Which of the following can be used to measure an object's motion?

• The object's speed

• all of these

• the distance the object traveled

• the time the object has been traveling

Tags

NGSS.MS-PS3-1

Which of the following forces can both attract and repel some objects without touching them?

• spring scale

• friction

• magnetism

• gravity

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

What is a balanced force?

• when no force is being applied

• when the object changes its position

• when one side has a larger amount of force being applied

• when the same amount of force is being applied to opposing sides

Tags

NGSS.3-PS2-1

The ______ mass of an object has, the less a force will affect its motion.

• less

• negative

• positive

• more

Tags

NGSS.MS-PS2-2

What force causes a ball to fall to the ground without even touching it?

• the air pressure pushing on the ball

• magnetism pulling on the ball.

• gravity pulling on the ball

• someone had to touch it

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-4