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THIS. IS. Jeopardy. Jeopardy. CRCT Review. Efficient Machines. Simple Solutions. Work. Machines. Levers. 100. 100. 100. 100. 100. 100. 200. 200. 200. 200. 200. 200. 300. 300. 300. 300. 300. 300. 400. 400. 400. 400. 400. 400. 500. 500. 500. 500. 500. 500.

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Presentation Transcript
slide2

THIS

IS

Jeopardy

slide3

Jeopardy

CRCT

Review

Efficient Machines

Simple Solutions

Work

Machines

Levers

100

100

100

100

100

100

200

200

200

200

200

200

300

300

300

300

300

300

400

400

400

400

400

400

500

500

500

500

500

500

slide5

A force must be applied

  • An object must move in the same direction as the force

A 100

slide6

What unit is used to measure force?

  • What unit is used to measure work?

A 200

slide7

Newtons (N)

  • Joules (J)

A 200

slide9

Work = force x distance

(W = f x d)

A 300

slide12

You pick your cell phone up off the counter and talk into it as you walk across the room. When you finish talking, you place it back on the counter and slide it away from the edge.

When are you doing work on the cell phone?

A 500

slide13

Picking up the cell phone

  • Placing it down on the counter
  • Pushing it away from the edge

A 500

slide15

200 J

B 100

slide16

You move a wheelbarrow

50 m by exerting 100 N.

B 200

slide17

5,000 J

B 200

slide19

25

B 300

slide25

Effort

C 100

slide26

OL-What is the ideal mechanical efficiency of a machine?

AD- How do you calculate the mechanical efficiency of a machine?

C 200

slide27

OL- 100%

AD- output force

input force

x 100%

C 200

slide29

Output force

Input force

C 300

slide31

Multiply distance

  • Multiply force
  • Change direction

C 400

slide35

A wedge

D 100

slide37

A screw

D 200

slide41

Levers

  • Wedges

D 400

slide57

Mass

F 200

slide59

Family

F 300

slide64

The Final Jeopardy Category is:

Types of Machines

Please record your wager.

Click on screen to begin

slide65

OL- Explain why wedges and screws are actually types of inclined planes.

  • AD-
  • If constructing a lever with the highest MA possible, where should the effort, resistance, and fulcrum be located?
  • Using the picture below, which machines multiply the input force?

Click on screen to continue

slide67

Thank You for Playing Jeopardy!

Game Designed By C. Harr-MAIT

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