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FRICTION and inertia that force can have on motion
Force
A force acting on a body accelerates it in the direction of the force.
Force has various effects. They include the following;1. Oppose the motion of a body2. Make objects thrown up to fall back on the ground3. Change the direction of motion of an object4. Making stationary objects gain motion.
The natural motion of the planets is motion in a straight line. They are prevented from straight line motion by the gravitational force of the Sun.
Gravitation is not only the 'dominant' force that produces those effects, it's actually the 'only' force responsible for them.
No, a force is not a motion. A force may produce motion of a mass.
No, motion is not a force. Motion is a change of coordinates. However, motion usually is a result of applying a force.
Force has size, which is how much force put into somethig, e.g., 10 Newtons of force. It has motion because force is basically motion, because force can be unbalanced or balanced, and unbalanced causes motion, and is basically motion.
A force that maintains motion is called inertia. This is the same as to what is normally referred to as momentum.
An object in motion stays in motion because it requires a force to change the motion. No force, no change.
Force that resists motion is frictional force, viscous drag