FME L9: Work and Power

What is required for scientific work

• Acceleration and Gravity

• Force and Motion

• Force and Potential Energy

• Mass and Force

Tags

NGSS.MS-PS2-2

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

The unit used to measure POWER is the 

• Watt
• Newton
• Joule
• Newton*meter

Work transfers

• sweat
• energy
• velocity
• effort

Tags

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

Power is defined as the quantity that measures the rate at which _____ is done or energy is transformed.

• energy
• time
• work
• elasticity

The SI Unit for Work

• Newton (N)
• Joule (J)
• Second (s)
• Watt (W)

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-4

The SI Unit for Force

• Newton (N)
• Joule (J)
• Second (s)
• Watt (W)

What is the formula for Work?

• E=mc²
• W= F x d
• P = W/T

Which of the following is true about work?

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