Levers g2
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levers
Transcript of Levers g2
levers
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Ch. 11 , Lesson 3 Levers
What is a simple machine?
Is a tool that makes moving an object easier.It uses force to move object, or load from place to another.You need a lot of force to move a heavy object, if you use a simple machine…it is easier.
Vocabulary:Simple machinesLeverfulcrumObjectives:I will be able to know:1-How Levers lift objects.2-define simple machines and understand how they work.
Simple machine
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Ch. 11 , Lesson 3 Levers
What is a lever?
Is a simple machine.It is a bar rests on a fixed
point or a fulcrum.It looks like a seesaw.
Vocabulary:Simple machinesLeverfulcrumObjectives:I will be able to know:1-How Levers lift objects.2-define simple machines and understand how they work.
Lever
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Ch. 11 , Lesson 3 Levers
To use a lever, you put a load on one side of the bar.
When you put force on the other side, the load is lifted.
Vocabulary:Simple machinesLeverfulcrumObjectives:I will be able to know:1-How Levers lift objects.2-define simple machines and understand how they work.
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Ch. 11 , Lesson 3 Levers
How do we use levers?We can find levers in many tools. A hand truck.
A pair of scissors.
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Vocabulary:Simple machinesLeverfulcrumObjectives:I will be able to know:1-How Levers lift objects.2-define simple machines and understand how they work.
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Ch. 11 , Lesson 3 Levers
A car jack.
A crowbarUsed to pry things apart.
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Vocabulary:Simple machinesLeverfulcrumObjectives:I will be able to know:1-How Levers lift objects.2-define simple machines and understand how they work.
