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Displaying 5 out
of 32
questions & answers.
- ICSE Living Science Physics 8
- Force and Pressure
- Package valid till 31-Mar-2027Buy Package
Q1.
Define moment of a force. Write its SI unit.
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answer not shownQ2.
It is easier to open a door by applying the force at its handle than at hinged end. Why?
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answer not shownQ3.
Write any two applications of moment of force.
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answer not shownQ4.
A nut is opened by a spanner of length 30 cm. If the applied force 20 N, find the moment of force needed to loosen the nut.
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answer not shownQ5.
A force of 250 N produces a moment of force of 500 N m. Calculate the moment arm.
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Given: Force applied , F = 250 N, Moment of force, M = 500 N m
We know that,
Moment of a force, M = force (F) x moment arm (d)
or, 500 = 250 x d
or, d = 500/250 = 2 m
Therefore, the moment arm is 2 m.
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