Simple Machines, Mechanical Advantage & efficiency

Simple Machines, Mechanical Advantage & efficiency

9th - 12th Grade

•

36 Qs

quiz-placeholder

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Simple Machines, Mechanical Advantage & efficiency

Simple Machines, Mechanical Advantage & efficiency

Assessment

Quiz

•

Physics

•

9th - 12th Grade

•

Easy

•
NGSS
MS-PS2-2, MS-PS2-1, MS-PS3-5

+5

Standards-aligned

Created by

Jamie Chenoweth

Used 6+ times

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36 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

The amount by which a machine multiplies input force is known as the 

work.
power.
output force.
mechanical advantage.

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A screwdriver is an example of a wheel and axle, which is a type of simple machine. The mechanical advantage of a wheel and axle is the ratio of the radius of the wheel to the radius of the axle. The force required to turn a screw can be reduced by

reducing the length of the axle.
increasing the radius of the axle.
reducing the length of the handle.
increasing the radius of the handle.

Tags

NGSS.MS-PS2-1

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Elevators lift loads by employing a motor and a complex system of pulleys. If the elevator converts all the energy used to work (no heat or friction is generated), how many Joules would be required to lift a 2,500 N load 15 m? This is about five floors in a typical building.

1637 J
3827 J
37500 J
167 J

Tags

NGSS.MS-PS3-1

NGSS.MS-PS3-5

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A lever and fulcrum are used to lift a fallen tree, which has a weight of 480 N. If the lever has a mechanical advantage of 5.5, what is the input force that will begin lifting the tree off the ground?

5.5 N
40.7 N
87.3 N
2640 N

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Media Image


What is the primary mechanical advantage of using the simple machine seen in the image?

You can apply a small input force and have it multiplied into a large output force.
You can apply a large input force and have it multiplied into a small output force.
You can apply a small input distance and have it multiplied into a large output distance.
You can apply a large input distance and have it multiplied into a small output distance.

Tags

NGSS.MS-PS2-1

NGSS.MS-PS2-2

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the ideal mechanical advantage of an inclined plane which has 4 cm height and 16 cm slope?

1/4
1
16
4

Tags

NGSS.MS-PS2-2

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

What is the efficiency of a machine if 55.3 J of work are done on the machine, but only 14.3 J is produced by the 1machine?

0.25 J
26%
386%
3.86 J

Tags

NGSS.MS-PS3-5

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