If force is F - 60 - - 15 - - 3 k- N and velocity v - 2 - - 4 - - 5 k- m-s - the instantaneous power is -

The correct option is D 45 wattPower is given as P= F⃗. v⃗ Thus, P = (60 î + 15 ĵ 3 k̂) . (2 î 4 ĵ + 5 k̂) = 45 watt ...

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Power, Force and Velocity

If force is ...

Question

If force is $\to F = (60^i + 15^j - 3^k) N$ and velocity $\to v = (2^i - 4^j + 5^k) m / s$ , the instantaneous power is :-

195 watt

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45 watt

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75 watt

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100 watt

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Solution

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Similar questions

\to F = (60^i + 15^j - 3^k) N

\to v = (2^i - 4^j + 5^k) m/s

\to F = 60^i + 15^j - 3^k N

\to V = 2^i - 4^j + 5^k m / s

\to F = (60^i + 15^j - 3^k) N

\to v = (2^i - 4^j + 5^k) m/s

\to F = (7^i - 6^j + 2^k) N

\to v = (6^i +^k) m/s,

2^i + 3^j + 2 k N

3^i + 4^j + 5^k m

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