Question

Match the following :-

Column A Column B

a》Lubricants i) heat

b》Friction ii) rolling
produces friction

c》Wheels iii) lessen the
friction

d》Ball iv) oil and
bearings grease

e》Soapy floor v) ceiling fan​

Answer 1

Answer:

a : iv

b : i

c : v

d : ii

e : iii