Question

are True or False.
a. All surfaces look uneven at microscopic level.
b. Opening of irregularities of two surfaces is called interlocking.
c. Interlocking is much more between smooth surfaces than rough surfaces.
d. Interlocking between two surfaces increases when they are pressed harder against each other.
e. A sliding friction is always larger than static friction.
f. It is easier to slide an empty box than a filled box.​

Answer 1

Answer:

a. true

b. false

c. false

d. true

e. false

f. true

Answer 2

a) True

b) False

c) False

d) True

e) False

f) True