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MBD-WORK, ENERGY AND POWER-Example
- Certain force acting on a 20 kg mass changes its velocity from 5ms ^-...
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- A mass of 10 kg is at a point A on a table. It is moved to a point B. ...
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- The potential energy of a freely falling object decreases progressivel...
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- What are the various energy transformations that occur when you are ri...
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- Does the transfer of energy takes place when you push a huge rock with...
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- A certain household has consumed 250 units of electric energy during a...
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- An object of mass 40 kg is raised to a height of 5 m above the ground....
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- What is the work done by the force of gravity on a satellite moving ro...
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- Can there be a displacement of any object in the absence of any extern...
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- A person holds a bundle of hay over his head for 30 minutes and gets t...
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- An electric heater is rated 1500 W. How much energy does it use in 10 ...
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- An electric heater is rated 1500 W. How much energy does it use in 10 ...
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- An object of mass 'm' is moving with velocity 'v'. How much work shoul...
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- Calculate the work required to be done to stop a car of 1500 kg moving...
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- What is kinetic energy ? Derive a mathematical expression for kinetic ...
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- What is law of conservation of mass?
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- If the force acting on the object is not in the direction of motion th...
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- What is work ? How can you calculate it ? Also give the unit of work.
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- Show by giving an example that if force acting in the body does not pr...
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- A stone tied to one end of string is moved in a circle. How much work ...
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