Physics
Grade-7
Easy
Question
Direction : Identify the energy in each of the case.
Riding a cycle
- Potential
- Chemical
- Light
- Mechanical
Hint:
Mechanical
The correct answer is: Mechanical
The rider's muscular energy is converted to heat energy and the bicycle's kinetic energy while riding bicycle. The rider's body is heated by heat energy. The bicycle is propelled in a circular motion by kinetic energy which is a result of mechanical energy.
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¶Before being employed as power, machines were frequently used to convert various energy sources. We can use mechanical energy any way we want or need it to function once it has been altered in a specific way. E.g., A tool that works by using mechanical energy is a hammer. A hammer's ability to exert force on a nail to move it is made possible by the mechanical energy it possesses. The hammer can function on the nail because it possesses mechanical energy (kinetic energy). Work-enabling energy is known as mechanical energy.
¶
¶Before being employed as power, machines were frequently used to convert various energy sources. We can use mechanical energy any way we want or need it to function once it has been altered in a specific way. E.g., A tool that works by using mechanical energy is a hammer. A hammer's ability to exert force on a nail to move it is made possible by the mechanical energy it possesses. The hammer can function on the nail because it possesses mechanical energy (kinetic energy). Work-enabling energy is known as mechanical energy.
¶
Which type of energy is produced when the handle of a pencil sharpener turns?
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¶
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¶
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Heat is another name for
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