Question

what is a force? what is a fricrion? what is contact & non contact force? what is a gravitational force? what do you mean by gravity?​

Answer 1

Answer:

A force is a push or pull upon an object resulting from the object's interaction with another object.

Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other.

A non-contact force is a force which acts on an object without coming physically in contact with it. ... In contrast a contact force is a force applied to a body by another body that is in contact with it.

The gravitational force is a force that attracts any two objects with mass.

Gravity is a force of attraction that exists between any two masses, any two bodies, any two particles. Gravity is not just the attraction between objects and the Earth. ... Furthermore, he deduced that gravity forces exist between all objects.

Answer 2

Answer:

A force is a pull or push that causes an object to move faster or slower , stop, change direction or change size or shape.

Friction is a force between two surface that are sliding or trying to slide across , one another.

Contact force: interaction between objects that touch.

non contact force: attract or repel , even from a distance.

Gravitational force: an attractive force that every object in the universe exerts on every other object in the universe.

Gravity is a force of attraction that exits between any two masses any two bodies any two particles

hope it's help you mate and please thanks my answers