BF - Ch.1 Review

A force is a ____________

• push

• gravity

• pull

• air

• magnets

Tags

NGSS.3-PS2-1

What is the difference between a balanced force and an unbalanced force?

• Balanced forces move, unbalanced forces don't move.

• Balanced forces stay still, unbalanced forces move.

• Balanced and unbalanced forces both move.

• They are both forces, so they both move and not move all of the time.

Tags

NGSS.3-PS2-1

Which of the following is an example of a balanced force?

• An apple being thrown across the room.

• An elephant running in the safari.

• A book sitting on a desk.

• Hair blowing in the wind.

When conducting an experiment, do you have to use the same exact and amount of materials every single time?

• Yes

• No

The more force you apply to an object, the ​ (a)   it will go.​

• farther
• closer
• higher
• lower

Tags

NGSS.3-PS2-1

NGSS.3-PS2-2

A car is about to roll down a hill. At the top of the hill, it is not moving. It begins to move as it goes down the hill. Which of the following describes the forces being applied by the car?

• Balanced at the top of the hill, balanced as it rolls downhill

• Unbalanced at the top of the hill, balanced as it rolls downhill

• Unbalanced at the top of the hill, unbalanced as it rolls downhill.

• Balanced at the top of the hill, unbalanced as it rolls down hill.

Tags

NGSS.MS-PS2-2