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Work as area under curve Video Lecture | Crash Course for PAT
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FAQs on Work as area under curve Video Lecture - Crash Course for PAT
| 1. What is work in the context of physics? |  |
Ans. In physics, work is defined as the transfer of energy that occurs when a force is applied to an object and the object moves in the direction of the force. It is calculated by multiplying the force applied to an object by the distance over which the force is applied.
| 2. How is work related to energy? | |
Ans. Work and energy are closely related concepts in physics. Work is the transfer of energy, and when work is done on an object, the object gains or loses energy. The work done on an object is equal to the change in its energy.
| 3. What are the different types of energy? | |
Ans. There are several different types of energy, including kinetic energy, potential energy, thermal energy, chemical energy, and electrical energy. Kinetic energy is the energy of motion, potential energy is stored energy, thermal energy is the energy associated with heat, chemical energy is stored in chemical bonds, and electrical energy is the energy associated with the flow of electric charge.
| 4. How is work calculated? | |
Ans. The work done on an object is calculated by multiplying the force applied to the object by the distance over which the force is applied. Mathematically, work (W) is equal to the force (F) multiplied by the distance (d), or W = F × d. The unit of work is the joule (J).
| 5. Can work be negative? | |
Ans. Yes, work can be negative. When a force is applied to an object in the opposite direction of the object's motion, the work done on the object is negative. This means that energy is being taken away from the object. For example, if you push a box uphill, the force you apply is opposite to the direction of the box's motion, so the work done on the box is negative.
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Nov 17, 2024 Last updated |
Video Description: Work as area under curve for PAT 2024 is part of Crash Course for PAT preparation.
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