Forces

What is a Force?

• The distance
• Mass
• A push or pull
• Give me a  failing grade 

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

An _______ force must act on an object for it to CHANGE it's motion

• balanced
• unbalanced
• gravitational
• electrical

Tags

NGSS.MS-PS2-2

Balanced forces do not change the objects speed or 

• direction
• distance 
• time
• mass

Tags

NGSS.MS-PS2-2

The unit of force is

• m/s
• m/s^2
• newton
• kg

What is the net force?

• 5000 N right
• 4000 N right
• 40 N left
• 4000 N left

Tags

NGSS.MS-PS2-2

Jonny and Patty are pushing against a basketball. Both of them push against theball on opposite sides with a force of 20 N to keep the ball still. What is the net force?

• 400 N
• 24 N
• 0 N
• 40 N

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

If an object is stationary (not moving) the forces acting upon it are _____________

• unbalanced
• weak
• balanced
• Hulk Smash!

Tags

NGSS.MS-PS2-2

Which one is balanced?

• top
• bottom
• both

Tags

NGSS.3-PS2-1

Two forces act on an object to the right at the same time. What force is required to bring the object into equilibrium?

• 9 N to the right

• 9 N to the left

• 3 N to the left

• 18 N to the left

Tags

NGSS.MS-PS2-2

Which example would be a balanced force?

• Train moving at a constant speed in the same direction.

• A skier going down a hill.

• A basketball being passed to a teammate.

• An apple falling to the floor.

Tags

NGSS.MS-PS2-2