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Friction Numericals Nootan Solutions Class-11 ISC Physics

Friction Numericals Nootan Solutions Class-11 ISC Physics Chapter-7 Nageen Prakashan . Step by step Solutions of Kumar and Mittal ISC Physics Class-11 Nageen Prakashan Numericals Questions. Visit official Website  CISCE for detail information about ISC Board Class-11 Physics.

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

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

page-number : 265

Question 1

A body ……… friction

Answer

Friction Numericals Nootan Solutions Class-11 ISC Physics Q 1

Again acceleration due to friction

⇒  -ug = -1

or ⇒ u = 1 / 10

⇒  = 0.1

Question 2

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A block of mass ……………  in term of g

Answer

Friction Numericals Nootan Solutions Class-11 ISC Physics Q 2

Question 3

Two block …………… Two block

Answer

Friction Numericals Nootan Solutions Class-11 ISC Physics Q 3

Question 4

A car is moving ………………stopped

Answer

accerelation on car = – ug

Friction Numericals Nootan Solutions Class-11 ISC Physics Q 4

⇒  0 =20 x 20 + 2 (-u) x s

or ⇒  400 / 8

⇒  50 m

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Question 5

A car going ……………… of the car

Answer

Friction Numericals Nootan Solutions Class-11 ISC Physics Q 5

⇒  0 = 7 x 7 + 2 x a x 10

⇒  a = -49 / 20

Friction Force = ma

=- 49 x m / 20

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⇒  – 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

Answer

given u R = 720 N

Friction Numericals Nootan Solutions Class-11 ISC Physics Q 6


page number- 266

Question 7

a block placed ……………. static friction

Answer

Friction Numericals Nootan Solutions Class-11 ISC Physics Q 7

Question 8

a block rest ………….the plane is …..

Answer

Friction Numericals Nootan Solutions Class-11 ISC Physics Q 8

Question 9

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

Answer

when block slide without acceleration then

Friction Numericals Nootan Solutions Class-11 ISC Physics Q 9

Question 10

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

Answer

when body is just to slip

Friction Numericals Nootan Solutions Class-11 ISC Physics Q 10

Question 11

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

Answer

acceleration of block

 

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