what is internal engergy?
All objects have internal energy this is energy caused by the movement of particles in the object, sometimes called thermal energy.it is also energy due to the bonds between particles, sometimes called chemical energy.
what is elastic potential engergy?
Some objects can change shape reversibly. Rubber balls, springs and elastic bands are like this. When a rubber ball is stretched or squashed, it can regain its shape again. Elastic potential energy is stored in stretched or squashed materials.
what is gravitational potential energy?
when a object is moving higher it gains gravitational potential energy.the of energy it gains depends on the mass,the extra height it gains and thr gravitational feild stenghth.
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