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A pulley does not save energy; it merely changes the direction of the force.

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11y ago

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When can a pulley have kinetic energy?

It could have kinetic energy when the strings are being pulled and it is in operation


What type of energy does a pulley require?

A pulley on its own does not require any energy, as it's not doing anything.


What type of energy does a pulley in motion produce?

A pulley in motion produces mechanical energy. This energy is a combination of potential energy (due to its position or configuration) and kinetic energy (due to its movement). The mechanical energy from a pulley can be used to perform work by lifting or moving objects.


When does a pulley have potential energy?

A pulley has potential energy when it is in a raised position or under tension, ready to do work by releasing that stored energy. As the pulley moves to a lower position or relaxes tension, the potential energy is converted into other forms such as kinetic energy or heat.


How does a pulley store potential energy?

A pulley does not store potential energy on its own. However, when a pulley is used in a system such as a block and tackle arrangement, potential energy can be stored in the object being lifted as work is done to raise it against gravity.


Is a pulley system an example of gravitational potential energy?

Yes, a pulley system is an example of gravitational potential energy. When you lift an object using a pulley system, you are storing potential energy in the object due to its position relative to the Earth's gravitational field.


What happens to energy put into a pulley that is not used?

Energy that is put into a pulley but not used is typically converted into other forms of energy, such as heat or sound. Friction and other inefficiencies can cause some of the input energy to be lost in the system.


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Does a catapult use a pulley?

A catapult does not typically use a pulley. Catapults rely on stored energy, usually from a tension mechanism like a spring or twisted ropes, to launch projectiles. The release of this stored energy propels the projectile forward without the need for a pulley system.