This is the last one I need some help with...
What force must be applied to a small cylinder piston with a diameter of .32m to lift a car weighing 12,000 N that is supported by the piston in a large cylinder that has a diameter of 1.4m? Assume that there is an enclosed chamber in common...
I would appreciate any help I could get with this problem...
A spherical-shaped hollow steel shell, with a radius of 2.5m, containing some instruments, is lowered by a cable into a lake. The shell with its contents weighs 7.2 x 10 to the 5th N on the deck of a ship from which it is being...
The problem:
A force is applied to the end of a 2ft. long, uniform board weighing 50 lbs, in order to keep it horizontal and stationary while it pushes against a wall at the left. If the angle the force makes is 30 degrees facing the wall, the magnitude of the applied force is?
(hint: the...