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A Force Acts on a Body and Displaces It by a Distance S in a Direction at an Angle θ with the Direction of the Force. What Should Be the Value of θ to Get the Maximum Positive Work? - Physics

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प्रश्न

A force acts on a body and displaces it by a distance S in a direction at an angle θ with the direction of the force. What should be the value of θ to get the maximum positive work?

उत्तर

`W = barF.barS = Fs cos theta`

`cos theta` maximum value 1 = FS

`:. theta = 0^@`

 

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2017-2018 (March) Set A

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