15-3: How does a lever work?

15-3: How does a lever work?

Presentation

•

Physics

•

8th - 10th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-PS2-1

Standards-aligned

Created by

Spencer Austin

Used 13+ times

FREE Resource

8 Slides • 6 Questions

1

15-3: How does a lever work?

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6

Multiple Choice

How can you make a lever with a large ideal mechanical advantage?

1

Make the length of the effort arm large

2

Make the length of the resistance arm large

3

Make the fulcrum large

7

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8

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10

Multiple Choice

The fixed point around which a lever turns is called a _____.

1

fulcrum

2

effort arm

3

resistance arm

11

Multiple Choice

How many classes of levers are there?

1

one

2

two

3

three

12

Multiple Choice

What is the equation for the IMA of a lever?

1

\frac{L_{effort}}{L_{resis\tan ce}}

2

$\frac{L_{resis\tan ce}}{L_{effort}}$

3

$L_{effort}\cdot L_{resis\tan ce}$

13

Multiple Choice

Which class of lever has the effort between the fulcrum and the resistance?

1

1st class

2

2nd class

3

3rd class

14

Multiple Choice

A seesaw is an example of what type of lever?

1

1st class

2

2nd class

3

3rd class

15-3: How does a lever work?

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