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A particle acted by constant forces 4 ha...

A particle acted by constant forces `4 hati + hatj - 3 hatk and 3 hati + hatj - ahtk` is displaced from the point `hati + 2 hatj + 3 hatk` to the point `5 hati + 4 hatj + hatk.` The total work done by the forces is :

A

30 units

B

40 units

C

50 units

D

20 units.

Text Solution

Verified by Experts

The correct Answer is:
B
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