1.

Assertion: Friction is necessary for abody to roll on a surface. Reason:Friction provides the necessary tangential force and torque. Which one of the following statement is correct?

Answer»

Assertion and REASON are TREU and reason explains assertion correctly.
Assertion and reason are true. But reason does not explain assertion correctly.
Assertion is true but reason is false.
Assertion is false but reason is true.

Solution :To roll a body frictioin is essential. Friction PROVIDES FORCE and torque.


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