When a body collides with a wall or the ground, what assumption do we make?
A. The mass of the body is not negligible
B. The body is stationary
C. The mass of the body is negligible as compared to the mass of the wall or the ground
D. The body is perfect
Answer:C
When a body collides with a wall or the ground, what assumption do we make?
A. The mass of the body is not negligible B. The body is stationary C. The mass of the body is negligible as compared to the mass of the wall or the ground D. The body is perfect