Question

The strength of the force of friction depends on which two factors? A. The heat generated by the friction and the types of surfaces involved B. How hard the surfaces push together and the types of surfaces involved C. How hard the surfaces push together and the size of the object D. The objects' sizes and weights

Answer 1

Answer:

B

Explanation:

Friction force depends on:

1. friction coefficient which depends on the types of surface involved.

2. normal force which depends on how hard the surfaces push together

Answer is B