Which of the following is an example of chemical energy?
Energy stored in food
Chemical energy is energy stored in the bonds of substances and released in chemical reactions.
Food stores chemical energy, which the body releases during respiration.
A spinning wheel and moving objects have kinetic energy, and a stretched rubber band has elastic potential energy.
Hence, the answer is energy stored in food.
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Important Questions from Work Power and Energy
- The work done by a 10 Newton force acting on a body, which results in the displacement of 2 m in the direction of the force, is __________.
- During energy transformation, the total energy of a system:
- An object of mass 1 kg is moving with a velocity 10 m/s. Find the kinetic energy of the object.
- The efficiency of a machine can never be ______.
- In practice, the work output of a machine is ______ the work input due to the effect of friction.
