FME L9: Work and Power

What is required for scientific work?

• Acceleration and Gravity

• Force and Potential Energy

• Force and Motion

• Mass and Force

Tags

NGSS.MS-PS2-2

If you push a cart with a force of 10N for 2m, how much work have you done?

• 20J

• 12 J

• 5J

• No work is being done.

Tags

NGSS.MS-PS3-5

What is the unit for POWER?

• Watt

• Joule

• Newton

• m/s/s

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-4

What does work transfer?

• Velocity

• Energy

• Mass

• Speed

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-4

Which of the following images shows scientific work?

• 
• 
• 
• 

Tags

NGSS.MS-ETS1-1

NGSS.MS-ETS1-2

NGSS.MS-ETS1-3

NGSS.MS-ETS1-4

What is scientific POWER?

• The amount of force applied

• The type of energy that is transferred

• The rate (speed) of work

• The distance an object moves by a force.

What is the unit for WORK?

• Newton (N)

• Newton (n)

• Joule (J)

• Joule (j)

Tags

NGSS.MS-PS3-4

What is the formula for WORK?

• Work = force ✖️ time

• Work = mass ✖️ gravity

• Work = distance ➗ time

• Work = speed ➗ time

Tags

NGSS.MS-PS3-5

NGSS.MS-PS3-4

Which of the following is true about work?

• It measures how quickly an object accelerates

• It measures the change of an object's rate of speed

• It measures how much effort is applied over a distance

• It measures how much time it takes to move an objet.

Tags

NGSS.MS-PS3-5

What is the formula for power?

• Power = work ✖️force

• Power = work ✖️time

• Power = work ➗ time

• Power = force ➗ time