Forces & Interactions (Practice Assessment / Study Guide)

A force is:

• a push

• a pull

• a push or pull

Tags

NGSS.MS-PS2-1

Pushing a grocery cart is an example of a __________.

• push

• pull

Tags

NGSS.3-PS2-1

Picking a flower is an example of a _________.

• push

• pull

Tags

NGSS.MS-PS2-1

If two forces are balanced then...

• an object will move slowly

• an object will stay at rest

• an object will move quickly

Friction is:

• the force created between two surfaces when they meet

• the force of pushing

• the force of pulling

What object is believed to have fallen on Sir Isaac Newton's head that led to his discovery of gravity?

• an apple

• an orange

• a rock

The units we use to measure the force of gravity are called ___________.

• gravitons

• grams

• Newtons

Why do things seem to fall at different speeds on earth?

• air resistance

• gravity

• weight

Would these magnets repel or attract?

• attract

• repel

Tags

NGSS.3-PS2-3

NGSS.3-PS2-4

Would these magnets repel or attract?

• attract

• repel

Tags

NGSS.MS-PS2-3