Calculating Work

It takes 20 N of force to move a box a distance of 10 m. How much work is done on the box ?

• 200 J
• 20.0J
• 2 J
• 200 N

Tags

NGSS.HS-PS3-1

Two factors that determine work are

• amount of the force, and effort used
• amount of the force, and type of force
• mass, and distance
• amount of force and distance moved

You apply a force of 18 N to a dresser and move it 3.0 m. How much work did you do on the dresser?

• 54 N
• 6.0 J
• 54 J
• 27 J

Tags

NGSS.MS-PS3-5

In which of the following situations do your arms do work on books?

• holding a heavy stack of books while standing
• carrying a heavy stack of books
• dropping a stack of books onto a table
• picking up a pile of books from the floor

The unit or label for work is

• netwons
• joules
• meters
• seconds

Tags

NGSS.HS-PS3-2

if you push a cart with a force of 60 N resulting in 120 J of work.. how far did you move the cart? 

• 7200 m
• 0 m
• 2 N 
• 2 m

Tags

NGSS.HS-PS3-1

If you do 40 joules of work lifting a 10N box, how high is the shelf you move it to.

• 400m
• 4m
• 50m
• 40m

Tags

NGSS.MS-PS2-2

NGSS.MS-PS3-2

You apply a force of ? to a wheelbarrow and moved it 6 m resulting in 48 J of work. How much force did you do on the dresser?

• 8 N
• 8 J
• 288 J
• 288 N

Tags

NGSS.HS-PS2-1

If you know the effort and the work, what do you have to do to know the distance?

• add
• subtract
• divide
• mutliply

If you and your friend EACH apply 55N of force pushing against a wall for 10 minutes. How much work did you do?

• 10 J
• 110 J
• 55 J
• 0J