Work and Power Practice

Two factors that determine work are

• force

• acceleration

• mass

• distance

• velocity

Tags

NGSS.HS-PS2-1

units of force are

• newtons

• grams

• joules

• meters

Tags

NGSS.HS-PS2-1

units for work are

• newtons

• joules

• meters

• seconds

Tags

NGSS.HS-PS3-2

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

What is the formula for work?

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

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

Gravitational potential energy depends on the ________ and ________ of the object. 

• Height and mass
• Friction and movement
• Mass and Movement
• Height and Friction 

Tags

NGSS.MS-PS2-4

Standard unit for Power

• Ampere

• Newton

• Joule

• Watt

To solve for power, we use the formula: Power = Work divided by _________.

• Velocity

• Force

• Distance

• Time

It took 50 Joules to push a chair 5 meters across the floor. With what force was the chair pushed?

• 10 N

• 0.1 N

• 250 N

• 1 N

Tags

NGSS.HS-PS2-1