State the law of the lever. - Junior Cycle Science - Question b - 2008
Question b
State the law of the lever.
Worked Solution & Example Answer:State the law of the lever. - Junior Cycle Science - Question b - 2008
Step 1
State the anticlockwise moment (turning effect)
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Answer
The law of the lever states that the anticlockwise moment (turning effect) about the fulcrum must be equal to the clockwise moment (turning effect) for the lever to be in equilibrium.
Step 2
State the equals (balances) clockwise moment (turning effect)
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Answer
In this context, the equation can be expressed as:
extAnticlockwiseMoment=extClockwiseMoment
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