- #1
Jrak11
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Homework Statement
Find the constant Torque being applied.
We are given a diagram of a piston engine, along with the masses of piston, flywheel and rod connecting the two. I know that the expanding gas in the piston does 4 kJ of work. I know that at the beginning of each rotation the engine is at 350 rpm. I know that a constant torque is being applied on the fly wheel.
Homework Equations
work=Torque*Angular displacement
The Attempt at a Solution
4kJ = T*2pi
T=4000/2Pi
I feel this is wrong however because I have not taken into account that the piston has been moved back and forth, and we knew it's mass. I can easily calculate the force on the piston at any point in the rotation so I would have thought there is some work done by its movement. Or does this do no net work since the net displacement is zero??
Thanks a heap for any help