Work Power Machines

Work Power Machines

9th - 10th Grade

10 Qs

quiz-placeholder

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Work Power Machines

Work Power Machines

Assessment

Quiz

Physics

9th - 10th Grade

Practice Problem

Medium

NGSS
MS-PS2-2

Standards-aligned

Created by

hamza ali

Used 34+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which situation is work not done?

lifting a 20 pound box off the floor
holding a 20 pound box above the floor
sliding a 20 pound box across the floor
sliding a 20 pound box up an inclined plane

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A machine with a 5-N input force and a 25-N output force has a mechanical advantage of?

2

5

20

125

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The mechanical advantage of a pulley system depends upon?

The diameter of the pulley wheels

The length of the rope

The number of sections of rope

The direction of the input force

Tags

NGSS.MS-PS2-2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which is not considered a simple machine?

The pump

The wheel & axle

The wedge

The screw

The pulley

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If the MA is 6 and the efficiency of the simple machine is 75% then what is the IMA?

6

9

8

4

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A boy is pulling a box with a force of 80 N at an angle of 25º with the horizontal, what is the work-done id the displacement is 50 m?

3500 J

3625.23 J

3923.23 J

3122.78 J

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