Motion

The more mass an object has, the faster it will fall.

• True
• False

Tags

NGSS.MS-PS2-4

If you throw a baseball straight up, what is its velocity at the highest point?

• 9.8 m/s²
• 9.8 m/s
• 0 m/s²
• 0 m/s

Tags

NGSS.HS-PS2-4

The final velocity on the highest point is...

• 2.1 m/s

• positive

• 0 m/s

• negative

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

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.HS-PS2-1

Acceleration is defined as the CHANGE in 

• time it takes for one place to move to another place. 
• velocity of an object.
• distance divided by the time interval 
• velocity divided by the time interval 

Tags

NGSS.HS-PS2-1

Acceleration only takes place when things speed up. 

• True
• False

Tags

NGSS.HS-PS2-1

Why does a car accelerate as it round a corner at a constant speed?

• Its direction changes
• It doesn't
• It slows down
• Its speeds up  

Tags

NGSS.HS-PS2-1

In each of the following cases, determine where the car has no acceleration ?

• A car shortly after a stoplight turns green.
• A car approaching a red light
• A car with the cruise control set at 80 km/h
• A car turning a curve at a constant speed

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

Determine the motion of the car.

• at rest 
• moving at constant speed
• speeding up
• slowing down

Tags

NGSS.HS-PS2-1

Which graph shows the object standing still?

• A
• B
• C
• D