Question

We can expect the force of friction to be greater for an object moving on a surface if the surfaces in contact are

a) smooth and the object is heavier
b) smooth and the object is lighter
c) rough and the object is heavier
d) rough and the object is lighter ​

Answer 1

c

Step-by-step explanation:

Friction is caused by how rough and object is, and how much the object weighs, as this causes it to drag more.