I think it is this because compression stroke it needs to be compressed then open up when started.
It depends when you look at a pichture it could possibly help.
Most objects move at a constant speed because of friction and acceleration. The constant speed keeps them in place, and keeps a balance.
Wouldn't everything fall?
Answer:
you absolute buffoon Use Ohms' Law: V = RI
V = (1x10^3)(5x10^-3) = 5 volts
Yes, this is in the range of normal household voltages.
Explanation: