Force and Motion, Balanced and Unbalanced Forces, Speed, Distance, and Time, Inclined Planes Test

A simple machine consisting of a rope or cable that runs around a grooved wheel.

• wheel and axle

• wedge

• pulley

A circular object attached to a bar is a...

• screw

• lever

• wheel and axle

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

What is this an example of?

• wheel and axle

• lever

• inclined plane

• pulley

Tags

NGSS.MS-PS2-2

Simple machines (lever, inclined plane, wedge, screw, pulley, wheel and axle) do which of the following?

• Reduce the mass of an object that needs to be moved

• Reduce the distance an object needs to be moved

• Reduce the amount of time needed to move an object over a distance

• Reduce the force needed to move an object over a distance

Tags

NGSS.MS-PS2-1

NGSS.MS-PS3-1

What is the net force?

• 11 N left

• 11 N right

• 3 N left

• 3 N right

Tags

NGSS.MS-PS2-2

A car travels at a speed of 80 mph. How far will the car travel in 3 hours?

• 240 miles

• 240 mph

• 240 hours

• 83 hours

A car traveled 300 miles in 3 hours. What was the car's average speed?

• 303 mph

• 33.33 mph

• 100 mph

• 97 mph

A car drove 210 miles at a speed of 70 mph. How long did the trip take?

• 280 hours

• 140 miles

• 30 minutes

• 3 hours

John wants to build a racetrack that will allow his toy cars to travel fast when force is applied. Which material should he use?

• carpet, bc friction will be high

• gravel, bc friction will be high

• plastic, bc friction will be low

• sandpaper, bc friction will be low

Tags

NGSS.MS-ETS1-1

Name this simple machine. 

• Wheel and Axle

• Lever

• Pulley

• Wedge