Answer:
True because he is working his arms to lift and hold the weight
Explanation:
thank you for the free point have a great rest of your day
a) True
hope it helps u
True
By definition of steady flow we have
where f(x,y,z,t) is any property of the system under consideration
=> f(x,y,z,t) = constant
B
it's does not transmit any energy
what r u on