What is a force that opposes motion between two surfaces?

• friction
• acceleration
• velocity
• motion

The picture of the position vs. time graph shows an object that is...

• accelerating/speeding up
• moving at a constant speed 
• not moving 
• accelerating/slowing down. 

Tags

NGSS.MS-PS3-1

If these boys are pulling with the same amount of force. What will happen?

• The boy in blue will win.

• They will not move at all.

• The boy in red will win.

• Both will fall down.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which graph represents a students standing at their locker for a period of time.

• A
• B
• C
• D

A ball is moving in a certain direction.  What would happen to the ball if a greater force was applied on the ball along its direction of motion?

• The speed of the ball would decrease.
• The speed of the ball would increase.
• The ball will stop instantly.
• The ball will change direction.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-5

What 2 things do you need to calculate speed?

• distance and friction
• direction and time
• direction and friction
• distance and time

Tags

NGSS.MS-PS3-1

What is the Average Speed?
Distance: 10m
Time: 5s

• 2
• 1/2
• 50
• 100

A push or pull that causes an object to move, stop, or change direction.

• force
• motion
• energy
• inertia

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

If a tennis ball, a baseball, and a golf ball are dropped together from a high place, which ball will land first? 

• They land at the same time.
• The baseball lands first.
• The golf ball lands first.
• The tennis ball lands first.

Tags

NGSS.MS-PS2-4

A object with a lot of mass needs more force or less force to be moved? 

• More
• Less

Tags

NGSS.MS-PS2-2