complete the chart
Qno 7
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the angle b/w force and displacement should be 90 for zero work because dot product for 90 degree equals zero this is because cos90 = zero
and work is negative when angle is 180 degree. becuz cos180 = -1
as
Workdone = dot product of Force and displacement
and work is negative when angle is 180 degree. becuz cos180 = -1
as
Workdone = dot product of Force and displacement
ziafat111:
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hope it will help u my friend
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