Question

1. Define the following terms:
- Gravitational force
- Frictional force
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Answer 1

hiii...
ur answer is as follows
gravitational force is defined as the force applied by the surface of the earth towards it on the body on or above the surface .
frictional force is defined as the opposing force that opposes the motion of any body

Answer 2

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Gravitational force

Gravity, also called gravitation, in mechanics, the universal force of attraction acting between all matter. On Earth all bodies have a weight, or downward force of gravity, proportional to their mass, which Earth's mass exerts on them. Gravity is measured by the acceleration that it gives to freely falling objects.

Frictional force

Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other. There are several types of friction: Dry friction is a force that opposes the relative lateral motion of two solid surfaces in contact.