Q.
Assertion: Torque on a body can be zero even if there is a net force on it.Reason: Torque and force on a body are always perpendicular.
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a
If both assertion and reason are true and reason is a true explanation of assertion.
b
If both assertion and reason are true but reason is not the correct explanation of assertion
c
If assertion is true but reason is false.
d
If both assertion and reason are false.
answer is B.
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Detailed Solution
TORQUE IS THE CROSS PRODUCT OF POSITION VECTOR OF POINT OF ACTION OF FORCE WRT POINT OF REFERENCE AND FORCE
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