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Flashcards on Work, Energy, and Power
Click on the flashcard to see the answer
What is work?
Work is done when a force is applied to an object and it causes the object to move in the direction of the force.
What is the unit of work?
The unit of work is the Joule (J).
How is work calculated?
Work is calculated by multiplying the force applied to an object by the distance the object moves in the direction of the force.
What is energy?
Energy is the ability to do work or cause a change in an object.
What are the different forms of energy?
The different forms of energy include kinetic energy, potential energy, thermal energy, chemical energy, and more.
What is the law of conservation of energy?
The law of conservation of energy states that energy cannot be created or destroyed, but it can be transformed from one form to another.
What is power?
Power is the rate at which work is done or the amount of work done per unit of time.
What is the unit of power?
The unit of power is the Watt (W).
How is power calculated?
Power is calculated by dividing the work done by the time taken to do the work.
What is the relationship between work, energy, and power?
Work is the transfer of energy, and power is the rate at which work is done.
Define gravitational potential energy.
Gravitational potential energy is the energy an object possesses because of its position in a gravitational field.
What is mechanical energy?
Mechanical energy is the energy possessed by an object due to its motion or position.
What are the different types of mechanical energy?
The different types of mechanical energy are kinetic energy and potential energy.
Explain the concept of efficiency.
Efficiency is a measure of how much useful work or energy is produced compared to the amount of energy input.
What is the equation for calculating mechanical advantage?
The equation for calculating mechanical advantage is MA = output force / input force.
What is the relationship between work and energy?
Work is the transfer of energy from one object to another.
What is work?
Work is done when a force is applied to an object and it causes the object to move in the direction of the force.
What is the unit of work?
The unit of work is the Joule (J).
How is work calculated?
Work is calculated by multiplying the force applied to an object by the distance the object moves in the direction of the force.
What is energy?
Energy is the ability to do work or cause a change in an object.
What are the different forms of energy?
The different forms of energy include kinetic energy, potential energy, thermal energy, chemical energy, and more.
What is the law of conservation of energy?
The law of conservation of energy states that energy cannot be created or destroyed, but it can be transformed from one form to another.
What is power?
Power is the rate at which work is done or the amount of work done per unit of time.
What is the unit of power?
The unit of power is the Watt (W).
How is power calculated?
Power is calculated by dividing the work done by the time taken to do the work.
What is the relationship between work, energy, and power?
Work is the transfer of energy, and power is the rate at which work is done.
Define gravitational potential energy.
Gravitational potential energy is the energy an object possesses because of its position in a gravitational field.
What is mechanical energy?
Mechanical energy is the energy possessed by an object due to its motion or position.
What are the different types of mechanical energy?
The different types of mechanical energy are kinetic energy and potential energy.
Explain the concept of efficiency.
Efficiency is a measure of how much useful work or energy is produced compared to the amount of energy input.
What is the equation for calculating mechanical advantage?
The equation for calculating mechanical advantage is MA = output force / input force.
What is the relationship between work and energy?
Work is the transfer of energy from one object to another.
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