Two objects always need to be in contact for them to exert force on each other.
True
False
A force can act on an object with or without being in contact with it.
Two bodies need to be in contact with each other for a force to act between them.
Two magnets need to be in contact with each other to have magnetic force between them.
The universal law of gravitation states that every object exerts a gravitational force of attraction on every other object. If this is true, why don't we notice such forces? Why don't the two objects in a room move towards each other due to this force?