Question

the deformation of a motor car tyre is contact with road is example of
a) sliding friction
b) rolling friction
c) static friction
d) limiting friction​

Answer 1

Answer:

b) rolling friction

Explanation:

b) She used a PVC pipe and small pieces of paper for her experiment. Each time, she rubbed the PVC pipe with a cloth to give it a charge and then held it over paper.The marks obtained by 30 students out of 10 are :

10,4,5,6,2,7,4.3.2.1,5,6,7,9,1,9,8,2,4,5,6,3,2,9,8,5,4,4,3,6.Array the data and form the

frequency distribution