Question

short answ
questions of 2 marks each, Section D contains live
marks each and Section E contains three long answer questions of 5 marks each.
(4) There is no overall choice. However internal choice is provided. You have to attempt only one
of the choices in such questions.
Section - A
All questions are compulsory. In case of internal choices, attempt any one of them.
1. Find the dimensions of b in the equation P =
a-t3
where P is pressure, x is distance
bx
and t is time.
2. A horizontal force of 10N is necessary to just hold a block stationary against a wall. The
coefficient
- 2 N
02 x 10
F - MER
10 N
of friction between the block and the wall is 0.2. What is the weight of the block?
3. Which is greatest out of static friction, limiting friction and kinetic friction?
4. A person sitting firmly over a rotating stool has his arms stretched. If he folds his arms,
will there be any change in his angular momentum about the axis of rotation?
OR
A man carrying heavy weights in his hands and standing on a rotating turn table. If he
hin nhant how his angular sneed will be affected?
momentum & const.​

Answer 1

Answer:

are 1 question kar ke bhej

Explanation:

to hi ta brainly samj ae ga