9-3 QZZ Work

True or false
You do work only when you exert a force on an object and move it

• true
• false

Two factors that determine work are

• size of the force, and distance
• size of the force, and type of force
• mass, and distance

units for work are

• netwons
• 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.MS-PS3-1

NGSS.MS-PS3-5

Which of the following is the best example of work being done.

• doing homework

• lifting a box

• pushing a stationary box

• holding a box

Tags

NGSS.MS-PS3-5

 Work done = Force x _________

• a. distance
• b. acceleration
• c. velocity
• d. speed

A 5000N block is lifted 10 m. How much work was done?

• 50000 J
• 5000 J
• 500 J
• 50 J

Tags

NGSS.MS-PS3-4

Force is a _____ or _______

• simple    complex
• push     pull
• up      down
• in      out

Tags

NGSS.MS-PS2-1

How much work is produced when 350 N is used to move a car 5 m?

• 70 J
• 1750 J
• 355 J
• 175 J