HW set 5, #14
A) The work done by a constant force acting on an object depends on the orientation of the force relative to the motion of the object.
B) A simple machine may reduce the force required to do a task.
C) Net work can be done on an object without changing it's kinetic energy.
D) The power required to lift a mass does not depend on the speed at which the mass is raised.
E) The mass of an object is same in all inertial reference frames.
F) The work required to lift a mass one meter does not depend on the speed at which it is raised.