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    F@iry
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    My question is related to the Chapter 04 (Introduction of work) as you said that work is positive when <span style=”color: #545454; font-family: arial, sans-serif; font-size: small; line-height: 18.2px;”> </span><span style=”color: #545454; font-family: arial, sans-serif; font-size: small; line-height: 18.2px;”>θ is greater then zero and smaller then 90.But at the same time you said that when force and Displacement are parallel then work is +ve hows that possible because at this stage </span><span style=”color: #545454; font-family: arial, sans-serif; font-size: small; line-height: 18.2px;”> </span><span style=”color: #545454; font-family: arial, sans-serif; font-size: small; line-height: 18.2px;”>θ is zero.Please reply soon</span>

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