Home
Class 12
MATHS
A particie is displaced from the point (...

A particie is displaced from the point `(2,1,-1) ` to the point `(4,3,-4)` by the force `2 hati = 4 hatj - 5 k.` Then the work done by the force is

A

16

B

27

C

39

D

48

Text Solution

Verified by Experts

Promotional Banner

Similar Questions

Explore conceptually related problems

If the constant forces 2hati-5hatj+6hatkand-hati+2hatj-hatk act on a particle due to which it is displaced from a point A (4,-3,-2) to a point B(6,1,-3) , then the work done by the forces is a)10 unit b) -10 unit c)9 unit d)None of these

Find the distance of the point (-1,-2,3) from the Plane barr.(2i-3j+4k)=4

Find the distance of the point (4,2) from the line joining (4,1) and (2,3).

A force of magnitude sqrt(6) acting along the line joining the points A (2, -1, 1) and B (3, 1, 2) displaces a particle from A to B. The work done by the force is :a)6 b) 6sqrt(6) c) sqrt(6) d)12