Question

A skateboarder rides down the street. When his feet push down on the

skateboard, what is the reaction force?

Answer 1

the skateboard pushes up

Step-by-step explanation:

Answer 2

the skateboard pushes up

Step-by-step explanation:

newton's 3rd law says for every action, there's an equal and opposite reaction, so when his feet push on the skateboard, the skateboard pushes back up.