You apply 100.0n of force to a machine. the machine applies 20.0n of force to the load. what is the mechinical advantage of the macheine

Which changes of state do the labels represent? a: b: c:

Which object is most likely represented by a dot?

How does the kinetic energy of a charge change as the charge moves under the effect of an electric field from higher potential to lower potential? a.the kinetic energy increases.b.the kinetic energy decreases.c.the kinetic energy remains the same.d.the kinetic energy is always zero.