Questions
A motor drives a body along a straight line with a constant force. The power P developed by the motor must vary with time t as
a
b
c
d
detailed solution
Correct option is A
F = constant∴ a = constant or v = atNow, P=F·v=F· at or P∝t ( As F and a both are constants)Hence, P-t graph is a straight line passing through origin.Talk to our academic expert!
Similar Questions
If force F is applied on a body and it moves with the velocity V, the power will be :
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