Work and Power

What is an equivalent formula for force?

Tags

NGSS.MS-PS2-2

Work is measured in which units?

• Newtons

• Joules

• Watts

• Joule/sec

Tags

NGSS.MS-PS3-4

NGSS.MS-PS3-5

Power is measured in which units?

• Newtons

• Joules

• Watts

• Joule/sec

Tags

NGSS.MS-PS3-5

Which of the following is a true statement about work?

• It measures how quickly an object accelerates 
• It measures how much effort is applied over a certain distance
• It measures the change in an object's rate of speed
• It measures how much time it takes to move a massive object

____ is being done when a force is exerted on a wagon while it is being pulled up a hill.

• Power

• Force

• Work

Tags

NGSS.MS-PS2-4

Which of these is a measure of force?

• 100 newtons
• 100 meters per second
• 100 joules
• 100 watts

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

You move a 12-newton box up a 6-meter ramp. In order to find out how much power you created, what would you need to know?

• The mass of the box
• The slope of the ramp 
• The direction the box moved
• How long the task took

Work is done on an object when the object moves in the SAME direction in which the force is applied.

• True
• False

The FARTHER you move an object, the more work you do.

• True
• False

The more POWER you use to move an object, the more work you do. 

• True
• False