1. At what stage in a parachute jump are velocity and acceleration in opposite directions? At what stage does acceleration become zero while falling continues? 2. You hold an apple over your head. (a)...

1. At what stage in a parachute jump are velocity and acceleration in opposite directions? At what stage does acceleration become zero while falling continues?

2. You hold an apple over your head. (a) Identify all the forces acting on the apple and their reaction forces. (b) When you drop the apple, identify all the forces acting on it as it falls and the corresponding reaction forces.