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## Friction Numericals Nootan Solutions Class-11 ISC Physics Chapter-7 Nageen Prakashan Kumar and Mittal

 Class: 11 Subject: Physics Chapter -7 : Friction
 Board ISC Writer / Publications Nootan / Nageen Prakashan / Kumar and Mittal Topics Solved Numericals of page 265 ,266

### Friction Numericals Nootan Solutions Class-11 ISC Physics Chapter-7 Nageen Prakashan Kumar and Mittal

page-number : 265

Question 1

A body ……… friction

Again acceleration due to friction

⇒  -ug = -1

or ⇒ u = 1 / 10

⇒  = 0.1

Question 2

A block of mass ……………  in term of g

Question 3

Two block …………… Two block

Question 4

A car is moving ………………stopped

accerelation on car = – ug

⇒  0 =20 x 20 + 2 (-u) x s

or ⇒  400 / 8

⇒  50 m

Question 5

A car going ……………… of the car

⇒  0 = 7 x 7 + 2 x a x 10

⇒  a = -49 / 20

Friction Force = ma

=- 49 x m / 20

⇒  – m x 98 / 40

or⇒  – m x 9.8 / 4

⇒   – m g / 4

which is equal to one fourth of car

Question 6

A fire man ……………. man

given u R = 720 N

page number- 266

Question 7

a block placed ……………. static friction

Question 8

a block rest ………….the plane is …..

Question 9

a block of mass 0.05 kg ………………of the block

when block slide without acceleration then

Question 10

a body is in …………. find the acceleration

when body is just to slip

Question 11

A body slide ………………. bottom of the plane .

acceleration of block

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