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प्रश्न
Name some simple machines.
उत्तर
Simple machines are pulley, wedge, inclined plane, screw, lever, wheel, and axle.
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संबंधित प्रश्न
State whether the following statement is True or False.
In an ideal machine, work done on load is equal to the work done by effort.
State whether the mechanical advantage of an inclined plane is equal to 1, less than 2 or greater than 1?
Define mechanical advantage (M.A.) of the machine.
A cook used a ‘fire tong pair’ of length 32 cm. to lift a piece of burning coal of mass 500 g. If he applies his effort at a distance of 8 cm from the fulcrum, what is his effort? Assume friction etc. to be absent. Also, obtain values of the M.A. and the V.R. of this ‘machine’.
Classify the following as a lever, a pulley and an inclined plane:
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Classify the following as a lever, a pulley and an inclined plane:
A knife
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Which machine will you use to do the following work? Write their type.
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Which machine will you use to do the following work? Write their type.
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Simple machines makes work easier by trading ______ for force.
