When an apple tree is shaken apples are detached from the branches because:
There is no option to them except to fall down
Apples experience a net downward pull towards ground
Branches tend to continue in the state of rest and apples go into motion
Apples tend to continue in the state of rest and branches go into motion
Apples tend to continue in the state of rest and branches go into motion
Apples tend to continue in the state of rest and branches go into motion.