A mass m is placed on an inclined plane (m > 0) and slides down the plane with constant speed. If a similar block (same m) of mass 2m were placed on the same incline, it would
- For 2m, the gravitational force pressing downward on the plane is twofold.
- However, the normal force is also doubled, and as a result, so is the friction force (the same factor).
- This indicates that the two forces continue to cancel and produce a net force of zero.
Gravitational force
- The force that binds all masses in the universe together, particularly the pull of the earth's mass on objects that are close to its surface.
- The attracting force that the earth exerts on all other objects in the cosmos is known as gravitational force.
- A ball being flung high and then falling back to the earth as a result of gravitational force is an example of gravitational force.
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