unit test: forces and motion\na person on a skateboard throws a ball to a friend in front of him. what…

unit test: forces and motion\na person on a skateboard throws a ball to a friend in front of him. what happens to the skateboard?\nthe skateboard moves backward a bit.\nthe skateboard remains in place due to the weight of the rider.\nthe skateboard moves forward and then backward.\nthe skateboard moves forward a bit.

unit test: forces and motion\na person on a skateboard throws a ball to a friend in front of him. what happens to the skateboard?\nthe skateboard moves backward a bit.\nthe skateboard remains in place due to the weight of the rider.\nthe skateboard moves forward and then backward.\nthe skateboard moves forward a bit.

Answer

Brief Explanations:

According to the law of conservation of momentum, when the person on the skate - board throws the ball forward, an equal and opposite momentum is imparted to the person - skateboard system. So the skateboard moves backward a bit.

Answer:

The skateboard moves backward a bit.