Define : a.kinetic energy b.potential energy c.mechanical energy
d. Gravitational energy
(For class 9)
Answers
Answer:
the kinetic energy (KE) of an object is the energy that it possesses due to its motion. It is defined as the work needed to accelerate a body of a given mass from rest to its stated velocity. Having gained this energy during its acceleration, the body maintains this kinetic energy unless its speed changes.
potential energy is the energy that is stored in an object due to its position relative to some zero position. An object possesses gravitational potential energy if it is positioned at a height above (or below) the zero height.
Answer:
a.kinetic energy
It is the energy possessed by a body due to its motion. Kinetic energy of an object increases with its speed. Kinetic energy of body moving with a certain velocity = work done on it to make it acquire that velocity.
b.potential energy
The energy present in such an object is the gravitational potential energy. The gravitational potential energy of an object at a point above the ground is defined as known as potential energy
c.mechanical energy
Mechanical Energy consists of two types of energy - the kinetic energy (energy of motion) ... In fact, mechanical energy is often defined as the ability to do work.
d. Gravitational energy
Gravitational potential energy is the energy possessed or acquired by an object due to a change in its position when it is present in a gravitational field. In simple terms, it can be said that gravitational potential energy is an energy which is related to gravitational force or to gravity.
Explanation:
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