Question

Find the torque of a force F=(hat(i)2 +hat(j)-3hat(k))N about a point O. The position vector of point of application of force about O is r = (2 hat(i) + 3 hat(j) - hat(k))m.

Answer 1

Answer:

here torque can be determined as

tau=√9+25+16=√50

Answer 2

Answer:

here is your answer.....