Question

2. State TRUE or FALSE.
a. Oiling and greasing of a surface increases friction.
b. Friction causes wear and tear of the surfaces in contact
c. Ball-bearings convert rolling friction to sliding friction.
d. Force of friction in fluids increases with the increase of speed
of the body.
e. Due to friction, fuel consumption of automobiles decreases.​

Answer 1

Answer:

a. false

b. true

c. false

d. true

e. false