Academic Questions in Physics
An 🍎 apple 🍎 falling from a tree has an unbalanced force.
Force is a quantity measured in _____.
D. Meter per second square (ms-1)
Heat transfer indicates two systems of varying temperatures and will always be transferred from a region with lower temperature to another with higher temperature.
Heat can be created.
Temperature is defined as the measure or ability of an object or substance to transfer heat energy to another object or substance.
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NOTABLE POINTS IN Physics
The earth is governed by the force of gravity and that’s why everything present on it (humans, plants, animals and even air) is always drawn towards it. You will actually need some form of force greater than gravity in order to pull yourself away from the earth.
As an instance, the earth as we know is spherical in shape and held in space. Also, all humans live on a constantly rotating earth and not inside the earth. Since we live on a spherical earth held in space, how come humans are yet to fall off the constantly rotating earth?
Well, the answer is gravity. Even if we attempt to jump off the earth into space, the force of gravity present on earth will still pull us down. In fact, in order to leave the earth; there has to be a force stronger that gravity; which must be applied to whatever is attempting to leave the earth. For this reason:
Whenever one jumps, a certain amount of force is needed to be applied by that person. However, gravity still return the person back to earth because the applied force had been exhausted.