JAMB Physics 2010 Question 9

Question 9

Friction

The surfaces of conveyor belts are made rough so as to

  1. A.prevent the load from slipping.
  2. B.make them stronger.
  3. C.enable them to carry more load.
  4. D.protect them while carrying loads.
Show the answer and explanation

Answer: A (prevent the load from slipping.)

Explanation

A rough surface increases friction between the belt and the load, so the load does not slip.