In which one of the following is friction an advantage?

      

In which one of the following is friction an advantage?
A. Skating on ice.
B. Swimming in water.
C. Production of heat in moving parts.
D. Braking of a bicycle on a road.

  

Answers


sharon
The correct answer is D. Braking of a bicycle on a road.

When braking a bicycle on a road friction is required to oppose motion.
sharon kalunda answered the question on July 29, 2019 at 13:51


Next: Which of the following pairs of machines consists only of inclined planes
Previous: In an investigation on factors affecting sinking and floating pupils carried out the following activities: (i) Placed a bottle top in water. (ii) Made the...

View More KCPE Science Questions and Answers | Return to Questions Index


Exams With Marking Schemes

Related Questions