Kinetic Energy is defined as

Energy stored due to its location

Energy stored in the bonds of molecules

Which of the following objects has the most kinetic energy?

A 90 kg toddler running at 30 m/s

A 20 kg toddler running at 5 m/s

A 50 kg toddler running at 30 m/s

A 100 kg toddler running at 2 m/s

gravitational potential energy is defined as

the energy an object has due to its height above the ground

the energy an object has due to its motion

the energy a spring has due to its stretch

the chemical energy stored in the molecules of atoms

How are work and and power related?

if work is increased than power is increased

if work is increased than the power generated is decreased

there is not enough information given to know the answer

Which situation is work not done?

holding a 20 pound box above the floor

lifting a 20 pound box off the floor

sliding a 20 pound box across the floor

sliding a 20 pound box up an inclined plane

What is the definition of power?

the amount of work an object does

the rate at which force is applied

the amount of matter in an object

Work, Power and Energy Quiz (Grade 8)

Authored by MARNILO VALLEJOS

Physics

8th Grade

NGSS covered

Used 278+ times

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Two factors that determine work are

size of the force, and distance

size of the force, and type of force

mass, and distance

work is a measurement of how much force is applied over a certain

distance

velocity

shape

size

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

units of force are

netwons

grams

joules

meters

MULTIPLE CHOICE QUESTION

1 min • 1 pt

units for work are

netwons

joules

meters

seconds

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

MULTIPLE CHOICE QUESTION

1 min • 1 pt

work transfers

sweat

energy

velocity

effort

both work and energy are measured in

joules

newtons

meters

seconds

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Work, Power and Energy Quiz (Grade 8)

Two factors that determine work are

work is a measurement of how much force is applied over a certain

units of force are

units for work are

if you push a cart with a force of 60 N for 2 m... how much work have you done

work transfers

both work and energy are measured in

energy in motion

stored energy

In the formula for kinetic energy, what is being squared

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