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Using Machines

Authored by Lisa Thompson

Science

6th Grade

NGSS covered

Using Machines
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A machine is ______________________

a device that has only one moving part

a device that makes work easier

a device that reduce work needed to do a job

a device that increase work needed to do a job

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which of the following would be the correct way to report a machine's efficiency?

60 J

60 N

60 %

60 W

3.

MULTIPLE SELECT QUESTION

1 min • 1 pt

How can machines help you do work?

Change the amount of force you're using

Change the direction of your force

Change the amount of work you're doing

Change the distance you move something

Tags

NGSS.MS-ETS1-1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

You push down on a lever with a force of 100 N to lift a 500 N box.

What is the input force?

500 N

600 N

400 N

100 N

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

You push down on a lever with a force of 100 N to lift a 500 N box.

What is the output force?

500 N

600 N

400 N

100 N

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

You did 50 J of work with a wedge that has an efficiency of 40 %. What is the output work of the wedge?

10 J

20 J

100 J

2000 J

Tags

NGSS.MS-PS3-4

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The output work of the lever is 80 J

What is your input work?

64 J

80 J

100 J

640 J

Tags

NGSS.MS-PS3-5

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