Question
Download Solution PDFWhich of the following doesn’t have kinetic energy?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFCONCEPT:
- Kinetic energy (KE): The energy possessed by a body by virtue of its motion is called kinetic energy.
\(KE = \frac{1}{2}m{v^2}\)
Where m = mass of the body and v = velocity of the body
- Potential energy (PE): The energy possessed by a body by virtue of its position or configuration is called potential energy.
\(PE = mgh\)
Where, m = mass of the body, g = acceleration due to gravity, and h = height of the body
EXPLANATION:
- The stretched bow doesn’t possess kinetic energy.
- It possesses potential energy as it is in a static position.
- Since fired bullet, running water and working hammer are in motion, they possess kinetic energy.
- Hence option 4 is correct.
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