What is friction ?

cosider two particle m_(1)and m_(2) that udnergo perfectly inelastic collision . (a) what is loss in kinetic energy during collision ? (b) what is frictional change in kinetic energy ? (c )Discuss the result form m_(2) gt gt m_(1) , " and " v_(2i)=0

What is dry friction ? And what is wet friction ?

The friction of a radioactive sample which remains active aftertime t is (9)/(16) . What friction remains active after (t)/(2) time?

A body of mass 100g is sliding on a inclined plane with an inclination of 60^(@) . What is the frictional force experienced, if coeficient of friction is 1.7? (Take g=10m//s^(2) )

A body of mass 100 g is sliding from an inclined plane of inclination 30^(@) . What is the frictional force experienced if mu=1.7 .

Using a horizontal force 200N , we intend to move a wooden cabinet across a floor at constant velocity. What is the frictional force that will be exerted on the cabinet?

Consider a cylinder of mass M resting on a rough horizontal rug that is pulled out from under it with acceleration 'a' perpendicular to the axis of the cylinder. What is F_("friction") at point P? It is assumed that the cylinder does not slip.

A block of mass 1 kg in kept on a rough horizontal surface with mu_(s)=0.1 . A force of 0.5 N is applied as shown in the figure. What is the frictional force applied by ground on the block?