Kinematics Question 295

Question: Find the torque of a force F=3i^+j^+5k^ acting at the point r=7i^+3j^+k^ [CPMT 1997; CBSE PMT 1997; CET 1998; DPMT 2004]

Options:

A) A×B

B) A - B

C) 3A - 3B

D) All of these

Show Answer

Answer:

Correct Answer: A

Solution:

A×B it’s a vector perpendicular to plane A+B and hence perpendicular to A+B .



NCERT Chapter Video Solution

Dual Pane