Work Energy

_______________ is done when a force acts on an object and the object moves in the direction of the force.

• Work

• Kinetic energy

• Watt

• Joule

Read the picture, then fill in the blank: The rate at which energy is transferred is called _.

Read the picture then fill in the blank: The person with the shovel has less power than a snowblower because it transfers the same amount of energy in _ time.

The ability to do work or cause change.

• power

• energy

• work

Tags

NGSS.MS-PS3-5

Energy is the ability to do work or cause...

• events

• change

• friction

• explosions

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-4

When you do work on an object, some of your energy is ____ to that object.

Tags

NGSS.MS-PS3-5

The property of an object or system that allows it to do work is ________________.

• Work

• Energy

• Power

• Distance

Tags

NGSS.MS-PS3-5

Energy cannot be ________ or ___________.

• big/small

• left/right

• created/destroyed

• made/transferred

Tags

NGSS.MS-PS3-5

A 100 N force is applied to move an object a horizontal distance of 5 meters at constant speed in 10 seconds. How much power is done? (pay attention - you have to find work before you find the power)

• 50J

• 50W

• 500J

• 500W

Tags

NGSS.HS-PS2-1

Which statement illustrates work done?

• A weightlifter holds a barbell above her head.

• A teacher applies a force to a wall and becomes exhausted.

• A rolling marble hits a note card and moves it across a table.

• A waiter carries a tray full of meals across a dining room at a constant speed.

Tags

NGSS.MS-PS3-5