Question

fill in the blank question
an objects momentum has both a size and a direction. when we say that a car moving at 20 km/h has a greater momentum than a bicycle moving with the same speed, we are referring to the size, not the blank of the momentum.

Explanation:

Momentum is a vector quantity with magnitude (size) and direction. When comparing the momentum of a car and a bicycle moving at the same speed, and stating the car has greater momentum in terms of size, we are not referring to the direction.

Answer:

direction