Question

Multiple Choice Questions (MCOQ'S)
Tick ( the correct option.
(a) The frictional force exerted by fluids is called
(10) rolling friction
(1) drag
(iv) static friction
(iii) sliding friction
(b) Sliding friction is less than
(i) static friction
(ii) rolling friction
(in both ) and (ii)
(iv) none of these
(c) The best shape to reduce drag is
0 rectangular
(ii) square
(iii) streamline
(iv) circular
(d) You slip while walking on ice because
(1) friction is more
(ii) friction is less
(ii) you are not walking carefully (iv) none of these
(e) Friction is
(1) a disadvantage
(i) an advantage
(iii) neither an advantage nor a disadvantage
(iv) sometimes an advantage and sometimes a disadvantage
( When ball bearings are used
() friction increases
(ii) friction decreases
(iii) friction remains same
(iv) none of these​

Answer 1

Answer:

Answer a) drag

b) Rolling friction

c) streamlined body

d) friction is less

e) sometimes an advantage and sometimes a disadvantage

f) friction decreases

plz mark me as a brainliest