Work Calculations

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

• true
• false

Tags

NGSS.MS-PS3-5

Two factors that determine work are

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

units of force are

• netwons
• grams
• joules
• meters

units for work are

• netwons
• joules
• meters
• seconds

Tags

NGSS.MS-PS3-5

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-PS3-4

NGSS.MS-PS3-5

What is the formula for work?

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

Tags

NGSS.MS-PS3-5

When you kick a football, you are applying ________ to the ball.

• mass
• gravity
• force
• unbalance

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

If these boys are pulling with the same amount of force.  What will happen?

• The boy in blue will win.
• They will not move at all.
• The boy in red will win.
• Both will fall down.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

Which is an example of a force?

• looking at the sky
• pushing a bike
• reading a book

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-PS3-4