momentum is exploited in many different sports and games. write a brief essay on the uses of momentum collisions in a particular sport or game. be sure to discuss the importance of mass and velocity in your example

a person with a mass of 106kg has a weight of 1060n

real, smaller and upside-down.   so the answer should be b.

heat the gas and measure the pressure

one person pulls 90n one way and the other has 100n pulling the other way.

so the net force = 90 - 100 = -10n,

or the ans can be 10n if the picture shows -90n and 100n instead.