Work, Power, and Energy Quiz

Work is done when

___________

is transferred from one object to another.

• Mass

• Velocity

• Conserved

• Energy

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-3

The type of energy that is based on position or height of the object is called ________?

• Potential

• Kinetic

• Mass

• Velocity

Tags

NGSS.MS-PS3-2

Power is measured by which scientific unit?

• Watts

• Joules

• Newtons

• Meters

The amount of kinetic energy in an object depends on its mass and ________?

• Energy

• Velocity

• a Sandwich

• Kinetic

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-4

Calculate the potential energy of a 10 kg object sitting on a 15.0 meter high ledge.

PE=mgh

G=9.8 m/s²

• 100 J

• 4,760 J

• 1,470 J

• 0 J

Tags

NGSS.HS-PS3-1

Gravitational potential energy (GPE) depends on an object’s height above the ground and its ______?

• Kinetic

• Velocity

• Mass

• Conserved

Tags

NGSS.HS-PS3-1

NGSS.HS-PS3-2

The rate at which work is done is called __________?

• Power

• Force

• Work

• Efficiency

If the speed of an object is doubled, its kinetic energy will be ________?

• Halved

• Doubled

• Quartered

• Quadrupled

Compared to walking, running up stairs will be _____ walking up the stairs

• less work

• more work

• same amount of work

• no work

Bob exerts a net force of 50 N while pushing a lawn mower 150 m in 300 seconds. What is the power that is exerted by Bob?              

 

W=F×d

P=W/t

• 25 Watts

• 50 Watts

• 25, 000 Watts

• 900 Watts