PLTW Levers
Presentation
•
Science
•
8th - 9th Grade
•
Hard
Joseph Anderson
FREE Resource
6 Slides • 2 Questions
1
Pages 170-171
2
Describe what a lever is
Describe how we use levers
3
levers
turning effect
turning force
effort
load
pivot(fulcrum)
force multiplier
distance multiplier
4
We use levers to move objects that are too heavy to lift on their own.
A lever is a bar that can turn when you exert a force on one end.
5
6
Open Ended
Give more examples of levers.
NOTE: You may use internet.
7
Draw
Show the effort, pivot(fulcrum), and the load in the picture on the left. You may draw on the image.
8
The lever is a force multiplier because it makes the effect of the force that you exert much bigger.
Some objects are used as distance multipliers. A distance multiplier is a tool that increases the distance moved by a force.
About Force Multipliers
Pages 170-171
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