Forces and Motion Test

A ball is dropped from the roof. How does the ball's acceleration and speed change as it falls to the ground?

• Acceleration and speed go up

• Acceleration stays the same and speed goes up

• Acceleration goes up and speed goes down

• Acceleration and speed stay the same

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-1

NGSS.MS-PS3-5

A boy is jumping off the high dive into the pool. When will his speed be 9.8 m/s?

• After falling 9.8 meters

• During the entire time

• During the entire first second

• At the end of the first second

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

Gravitational force is affected by two things. Click the correct two

• Motion

• Distance

• Volume

• Mass

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-2

A push or a pull.

(a)  

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

It takes Dave twice the time to travel the distance that it did Alex. How does Dave's speed compare to Alex's speed?

• Half as slow

• Twice as fast

• Three times as fast

• Four times as fast

Tags

NGSS.MS-PS3-1

This is an example of what simple machine?

• Inclined Plane

• Wheel and Axle

• Lever

• Screw

Tags

NGSS.MS-PS2-1

What type of simple machine is this?

• Screw

• Pulley

• Inclined Plane

• Lever

Tags

NGSS.3-5-ETS1-1

The acceleration of gravity increases as an object falls.

• True

• False

Tags

NGSS.MS-PS2-4

The speed of a falling object increases as it falls

• True

• False

Tags

NGSS.MS-PS2-4

NGSS.MS-PS3-5

The acceleration of gravity is constant

• True

• False

Tags

NGSS.MS-PS2-4