Statement I: Work done by the force of friction in moving a body around a closed loop is zero Statement II: Work done does not depend upon the nature of force.

Question

Statement I: Work done by the force of friction in moving a body around a closed loop is zero Statement II: Work done does not depend upon the nature of force. (A) If both statement I and statement II are true and statement II is the correct explanation of statement I. (B) If both statement I and statement II are true but statement II is not the correct explanation of statement I. (C) If statement I is true but statement II is false. (D) If both statement I and statement II are false.

Tardigrade Admin · Accepted Answer

Work done during the motion of a body over a closed path depends upon whether the force doing work is conservative or non-conservative in nature. For conservative forces like gravitational forces like frictional force some work is done.

Q. Statement I: Work done by the force of friction in moving a body around a closed loop is zero Statement II: Work done does not depend upon the nature of force.

If both statement I and statement II are true and statement II is the correct explanation of statement I.

If both statement I and statement II are true but statement II is not the correct explanation of statement I.

If statement I is true but statement II is false.

If both statement I and statement II are false.

Work done during the motion of a body over a closed path depends upon whether the force doing work is conservative or non-conservative in nature. For conservative forces like gravitational forces like frictional force some work is done.

Q. Statement I: Work done by the force of friction in moving a body around a closed loop is zero
Statement II: Work done does not depend upon the nature of force.