EASY
10th ICSE
IMPORTANT
Earn 100

Does a machine work itself? Explain.

Important Questions on Machines

EASY
10th ICSE
IMPORTANT
In how many ways a machine is useful to us? Explain.
EASY
10th ICSE
IMPORTANT
Give two examples when a machine works as a force multiplier.
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10th ICSE
IMPORTANT
Give two examples when machine is used to apply the force at convenient point.
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10th ICSE
IMPORTANT
Give two examples when a machine is used to gain in speed.
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10th ICSE
IMPORTANT
Give two examples when a machine is used to apply the force at convenient direction.
EASY
10th ICSE
IMPORTANT
Define mechanical advantage of a machine. Why does the mechanical advantage have no unit?
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10th ICSE
IMPORTANT
Define velocity ratio of a machine. Why does the velocity ratio have no unit?
EASY
10th ICSE
IMPORTANT
Define efficiency of a machine. Why the efficiency of a practical machine is less than 1.