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Chose the correct option A force over...

Chose the correct option
A force `oversetrarrF = (2hati- 10hatj + 12hatk)` N acts as a particle which moves along the positive Z axis. If it covers a distance of 10 m, the work done is

A

40 J

B

100 J

C

120 J

D

`-100 J`

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CHETANA PUBLICATION-MATHEMATICAL METHODS-EXERCISE
  1. Chose the correct option If a vector has magnitude5, its components...

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  2. Chose the correct option Two forces of magnitude 7N and 5N act on a...

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  3. Chose the correct option A force oversetrarrF = (2hati- 10hatj + 12...

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  4. Chose the correct option The force acting on a body of mass m, prod...

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  5. Chose the correct option The value of (oversetrarrA + oversetrarrB)...

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  6. Chose the correct option The angle between (hati + hatj) and (hatj ...

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  7. Chose the correct option The resultant of two vectors oversetrarrp ...

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  8. Chose the correct option The angle between oversetrarra and the re...

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  9. Chose the correct option oversetrarrp and oversetrarrq are two vect...

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  10. Chose the correct option If y= x^2 + 2x, then frac(dy)(dx) at x= 4...

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  11. Chose the correct option The displacement s of a particle is expres...

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  12. Chose the correct option The value of the integral int2^3 x^2 dx is

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  13. Chose the correct option int0^(pi//2) sin theta d theta is equal to

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  14. Chose the correct option int0^(pi//2) oversetrarra.oversetrarrb d ...

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  15. Chose the correct option The resultant of 2 forces 10N and 15N acting...

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  16. Chose the correct option For 2 vectors to be equal, they should have

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  17. Chose the correct option The magnitude of scalar product of two unit...

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  18. Chose the correct option The magnitude of vector product of two unit...

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  19. Chose the correct option If oversetrarra, oversetrarrb, and oversetr...

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  20. The magnitude of the sum of 2 vectors is A. Always equal to sum of ma...

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