A force vec(F) = 5hat(i) - 3hat(j) + 2ha...

A force `vec(F) = 5hat(i) - 3hat(j) + 2hat(k)` moves a particle from `vec(r_(1))=2hat(i)+7hat(i)+4hat(k)" ""to" " " vec(r_(2))=5hat(i)+2hat(j)+8hat(k)`. Calculate the workdone.

A

38 units

B

20 units

C

30 units

D

15 units

Text Solution

Verified by Experts

The correct Answer is:

A

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AAKASH SERIES-WORK, POWER & ENERGY -EXERCISE - II (SCALARS (OR) DOT PRODUCT)

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