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MBD-WORK, ENERGY AND POWER-EXAMPLE
- Dot product of two vectors obey law.
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- Since work is a scalar quantity, can it have negative value?
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- Fill in the blanks: is the capacity of doing work.
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- Work can be negative or Zero.
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- The kinetic energy of a body is always .
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- Answer carefully, with reasons :-In an elastic collision of two billia...
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- The collision in one dimension is also known as collisions.
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- What is work? What is it equal to?
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- A light and a heavy body have same linear momentum. Which one has grea...
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- What is non-conservative force?
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- Show that gravitational force is a conservative force.
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- Show that sum of P.E. and k.E. of a freely falling body is conserved.
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- A lighter body and a heavier body have same K.E. Which one has greater...
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- For a force to do maximum work, what should be the angle between force...
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- What is the relation between kinetic energy and momentum?
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- Define electric potential energy. Give its units. Calculate electric p...
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- An electron and a proton have equal momentum. Which has more kinetic e...
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- Two springs of spring constants k1 and k2 are stretched by the same fo...
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- In what part of its orbit is the earth's potential energy greatest wit...
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- Explain the term work. Obtain an expression for work done by a constan...
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