Friction is a force that is non conservative. Work is required to overcome the effect of frictional force when a body is moved against friction. The work done by the frictional force is determined not only by the body's initial and ultimate positions, but also by the length of the path travelled.
Question : Which of the following is not a non-contact force?
Question : In which of the following friction is not involved? (A) Magnetic force (B) Contact force (C) Non-contact force (D) Couple force
Choose the correct answer from the options given below :
Question : Which of the following is an example of contact force?
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