Which of the following is not an advantage of friction?
A. it enables drawing to be made on paper
B. it enables fallen things to be picked up
C. it enables rubber pads to be rubbed off
D. it enables vehicles to move on ground
Answer:C
Which of the following is not an advantage of friction?
A. it enables drawing to be made on paper B. it enables fallen things to be picked up C. it enables rubber pads to be rubbed off D. it enables vehicles to move on ground