Respuesta :

Answer:

A force that resists the relative motion or tendency to such motion of two bodies in contact. uniform motion: Motion at a constant velocity (with zero acceleration). Note that an object in motion will not change its velocity unless an unbalanced force acts upon it.

Explanation:

A force that resists the relative motion or tendency to such motion of two bodies in contact. uniform motion: Motion at a constant velocity (with zero acceleration). Note that an object in motion will not change its velocity unless an unbalanced force acts upon it.