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A block of mass 4 kg is pulled along a s...

A block of mass 4 kg is pulled along a smooth inclined plane of inclination `30^(@)` with constant velocity 3 m/s as shown, power delivered by the force is

A

40 watt

B

20 wall

C

60 watt

D

30 watt

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The correct Answer is:
C
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AAKASH INSTITUTE ENGLISH-WORK, ENERGY AND POWER-EXERCISE
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