Physics - ch 06 - part 1 - momentum

Which of the following is completely TRUE?

• momentum is a vector.  It is the sum of mass and velocity and its units are J.

• momentum is a vector and it is the product of mass and velocity.  The units are kg*m/s

• momentum is scalar and equals m*v.  the units are N

A non-zero net force will always cause a change in momentum.

• False

• True

If one object loses momentum, another object must gain momentum

• false

• true