Question

1. Under what conditions does a spring exert forces on
objects attached to its ends?
2. If a ball is moving on a frictionless horizontal surface
and no forces are applied on it, will its speed
decrease, increase or remain constant?
3. The earth attracts an apple with a force of 1.5 N.
Taking this as an action force, how much is the
reaction force? Who exerts this reaction force? On
which body does this reaction force act?
4. A coin falls towards the earth because the earth
attracts the coin. Does the coin also attract the earth?
5. Can the internal forces acting among the parts of a
system change the linear momentum of the system?
sed by a liquid​

Answer 1

Explanation:

sorryy no idea .....sorryy