CBSE Class 11-science Answered
A body constrained to move along Z- of a coordinate system is subject to a constant force F given by
F= -i+2j+3k N
what is the work done in moving the body a distance of 4m along the Z-axis
Asked by swetha anandh | 23 Sep, 2010, 03:37: PM
Expert Answer
Δd= 4k
so work done=F.Δd
= (-i+2j+3k).(4k)
=12 J
Answered by | 23 Sep, 2010, 07:35: PM
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