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relative acceleration between two bodies in motion is the vector substraction of the acceleration of that bodies.
friction: the force that resists relative motion between two bodies in contact.
friction: the force that resists relative motion between two bodies in contact.
external friction,which have arieses when two bodies in contact with each other try to move or there is an actual relative motion between the two.
Relative motion
relative acceleration between two bodies in motion is the vector substraction of the acceleration of that bodies.
friction: the force that resists relative motion between two bodies in contact.
friction: the force that resists relative motion between two bodies in contact.
external friction,which have arieses when two bodies in contact with each other try to move or there is an actual relative motion between the two.
Friction opposes motion or, more correctly, relative motion between two bodies in contact.Motion.
Relative motion
Relative motion
* The rubbing of one object or surface against another. * Conflict, as between persons having dissimilar ideas or interests. * A force that resists the relative motion or tendency to such motion of two bodies in contact.
The direction of friction is always opposite to the direction of relative motion of two bodies in contact.For example :in rolling motion of sphere the relative motion of the sphere (at the point of contact between sphere and ground)with respect ground is backwards, and hence friction acts in forward direction ,there by causing motion .
The force which opposes relative motion between two bodies is known as friction.
Some of the energy is converted from the motion of the bodies to sound and heat when it is used to overcome friction between the two bodies.
Torque, I think.