Question

three forces a vector is equal to ICAP + 2 j cap + k cap and b vector is equal to two ICAP - 2 j cap + 3 k cap and c vector acting on a body to keep it in equilibrium then c vector is​

answer my question wll sure mark u as brainliest

Answer 1

Given:

A = (i + j + k)

B = (2i - j + 3k)

To find:

Force C, when body is in equilibrium.

Solution:

For the body to be in equilibrium, the sum of all the forces is equal to 0

So, A + B + C = 0

(i + j + k) + (2i - j + 3k) + C = 0

3i + 0j + 4k + C = 0

C = -3i - 4k = -(3i + 4k)

So, force C = -(3i + 4k)

Therefore, option (1) -(3i + 4k) is correct.