SSC
PHYSICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following a scalar quantity?
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Energy
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Acceleration
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Velocity
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Weight
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Explanation:
Detailed explanation-1: -The correct answer is Energy. A scalar quantity is a physical quantity that only has magnitude.
Detailed explanation-2: -Mass and energy are scalar quantities, while momentum is a vector quantity.
Detailed explanation-3: -For example: velocity of a body, acceleration of a body, etc. The energy of a body can be defined as the work done by that body. It is a scalar quantity because we just need the magnitude of energy while it does not possess any direction. Same is the case with work as work and energy are equivalent terms.
There is 1 question to complete.