Simple Machines Quiz #1

How does an inclined plane make work easier?

• increased distance and decreased force

• increased force and decreased distance

• increased distance and increased force

• decreased force and decreased distance

Tags

NGSS.MS-PS2-2

In the work formula, FORCE and DISTANCE

• are directly proportional

• are inversely proportional

• are not related

• are not changeable

In the Eureka video, how much force is needed to push the barrel up the inclined plane?

• 800 Newtons

• 600 Newtons

• 400 Newtons

• 200 Newtons

Tags

NGSS.MS-PS2-2

How much work is done if you lift an 800 Newton barrel straight up by one meter? (W = F x d)

• 800 Newtons

• 800 meters

• 800 Joules

• 800 Watts

How much work is done on the barrel if you roll it up a 4 meter ramp using a force of 200 Newtons?

• 1600 Joules

• 196 Joules

• 50 Joules

• 800 Joules

Tags

NGSS.MS-PS3-4

In the Eureka video, why does the guy need the inclined plane?

• so he can load the barrel faster

• because he needs to break the barrel into pieces

• because he can't lift 800 Newtons

• so he doesn't spill the contents

Tags

NGSS.MS-PS2-4

NGSS.MS-ETS1-1

Weight is a measure of

• energy

• force

• time

• mass

Tags

NGSS.MS-PS2-4

Weight is measured in

• grams

• kilograms

• joules

• newtons

Mass is measured in

• kilograms

• Newtons

• Joules

• Pounds

What would happen if you made the loading ramp LONGER?

• You would need more force to push the load

• You would need less force to push the load

• the more difficult it becomes to push the load

• the less work you have to do to load it

Tags

NGSS.MS-PS2-2