7. The S. l. unit for force is
A. kg
C. m/s
B. m/s2
D. N

Agas is contained in a vertical, frictionless piston–cylinder device. the piston has a mass of 3.2 kg and a cross-sectional area of 35 cm2. a compressed spring above the piston exerts a force of 190 n on the piston. if the atmospheric pressure is 95 kpa, determine the pressure inside the cylinder.

Why is the energy that results from a roller coaster's position at the top of a hill referred to as potential energy?

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value