Asked by Anonymous
A forrestry crane is lifting vertically a 2 tons log with a
force F = ( 9 + 2 h) where h is the height.
Draw the
free body diagram with the forces and use work and
energy conservation to determine the speed of the log
when it has risen h=6m.
Apply kinematics to give the expression of the integral
for the time it takes to reach that height starting from
rest?
force F = ( 9 + 2 h) where h is the height.
Draw the
free body diagram with the forces and use work and
energy conservation to determine the speed of the log
when it has risen h=6m.
Apply kinematics to give the expression of the integral
for the time it takes to reach that height starting from
rest?
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