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Power, Machines, and Force

Authored by Janette Smith

Science

7th - 8th Grade

NGSS covered

Used 3+ times

Power, Machines, and Force
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the unit used to measure Power?

Joule
Watt
Newton
Pascal

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Force X Distance = _______?

Work
Power
Energy
Force

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In which of these cases is work being done? 

A student sleeps
A student pushes a locked door that does not move
a student carries his chair into another room
A student sits on the carpet

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the unit used to measure work?

Joule
Watt
Newton
Pascal

Tags

NGSS.MS-PS3-5

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Work/Time = ________?

Force
Speed
Velocity
Power

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Using a lever, Joe is able to lift a 10,000 N car off of the ground with a force of 1000 N. What is the mechanical advantage of the lever?

1
10
100
1000

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A watt is defined as ___________

One joule per second
One horsepower per second
A force of one pound over a distance of one foot
A force of one newton over a distance of one meter

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