Question

Radius of motorcycle wheel is 22.4 cm. Find the minimum number of complete rotation needed in order to cover a distance of 120 m.

Answer 1

Answer:

r=22.4cm D=2×22.4= 44.8cm=0.448m

circumference of circle =pie×D

=22/7×0.448

=1.408m

revolutions=120/1.408=85.22

it will take 85 revolutions