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What should be the angel between the dir...

What should be the angel between the direction of force and displacement for maximum and minimum work?

A

`90^(@) and 0^(@)`

B

`0^(@) and 90^(@)`

C

`0^(@) and 180^(@)`

D

`180^(@) and 0^(@)`

Text Solution

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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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  2. A particle moves along x - axis under the action of a position depende...

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  8. Two springs have their force constants in the ratio of 3:4. Both the s...

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  9. A particle of mass 3 kg is moving along x - axis and its position at t...

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  10. A force vecF=(2hati+hatj+hatk)N is acting on a particle moving with co...

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  11. Potential energy of a particle at position x is given by U=x^(2)-5x. W...

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