A force →F=^i−3^j−5^k acts at a point →r=4^i+8^j+a^k from the origin. What should be the value of 'a' so that the resulting torque will be maximum? What is the magnitude of the resulting maximum torque?

A force →F=^i−3^j−5^k acts at a point →r=4^i+8^j+a^k from th

1.	A force →F=^i−3^j−5^k acts at a point →r=4^i+8^j+a^k from the origin. What should be the value of 'a' so that the resulting torque will be maximum? What is the magnitude of the resulting maximum torque?
Answer» A force $\to F =^i - 3^j - 5^k$ acts at a point $\to r = 4^i + 8^j + a^k$ from the origin. What should be the value of ' $a$ ' so that the resulting torque will be maximum? What is the magnitude of the resulting maximum torque?

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A force →F=^i−3^j−5^k acts at a point →r=4^i+8^j+a^k from the origin. What should be the value of 'a' so that the resulting torque will be maximum? What is the magnitude of the resulting maximum torque?

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