Unit 2 lesson 2 - 3rd grade

When a car is MOVING the forces are _________.

• Balanced

• Unbalanced

When a car is NOT MOVING the forces are_______.

• Unbalanced

• Blanced

What is the name of the force the pulls us down

to earth and doesn´t let us go flying into space?

• Singing

• Gravity

• Jump

• Sleep

When the forces are in direct contact (Touching)

they are called_________.

• Contact Forces

• Net force

• Balanced Forces

Friction wants to stop motion?

• Yes

• No

When we use the bicycle brakes to STOP

we have _______ friction.

• Lower

• Higher

This two persons have the same

force and no one is moving.

Are the forces balanced or unbalanced?

• Unbalanced

• Balanced

The woman is touching the stroller.

Is the force a contact force?

• Yes

• No

There is a big force and a small force

are the forced balanced or unbalanced?

• Unbalanced

• Balanced

Where do we have LOWER FRICTION?

(move easy)

• Walking

  uphill

• Sledding

  Downhill