Force at a Distance

Two factors that determine work are

• force

• acceleration

• mass

• distance

• velocity

units for work are

• newtons

• joules

• meters

• seconds

if you push a cart with a force of 60 N for 2 m... how much work have you done

• 120 J

• 30 J

• 120 N

• 30 N

Tags

NGSS.MS-PS3-5

work transfers

• sweat
• energy
• velocity
• effort

Tags

NGSS.HS-PS3-4

What is the formula for work?

• Force = work x distance
• Distance = force x work
• Work = force x distance
• Work = force x mass

Fred kicks a ball with a force of 20N to George, who is 5M away. How much work was done to the ball?

• 25J

• 100J

• 4J

• 75J

Tags

NGSS.MS-PS3-5

If 40N of force is applied to Rollo Koster's 10 kg cart over a distance of 50 meters, how much work is done?

• 8000J

• 8000N

• 4000J

• 2000J

Tags

NGSS.MS-PS2-2

If the mystery machine moves 100 meters how much work is done?

• 130,000,000J

• 70,000J

• 100,000J

• 30,000J

You did 170 Joules of work lifting a 140 N backpack. How high did you lift the backpack?

• 1.2 m

• 0.8 m

• 23 m

• 0 m

Tags

NGSS.MS-PS3-2

NGSS.MS-PS3-4

It took a 500 N ballerina a force of 250 J to lift herself upward through the air. How high did she jump?

• 2 m

• 7.5 m

• 0.5 m

• 2.5 m

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4