Is f=mxa expressed in equation in newtons second law of motion?

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge

2kg of refrigerant 134a undergoes a polytropic process in a piston-cylinder assembly from an initial state of saturated vapor at 2 bar to a final state of 12 bar, 80 degree c. a)determine the work for the process in kj. b)sketch the process on a p-v diagram.

Use the right-hand rule for magnetic force to determine the charge on the moving particle. this is a charge.