Friction

Speed Up Science
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 Rainbow 🌈 Mental Exercise, daily activity 



1. Friction always  

     
     
     
     
ANSWER= (B) opposes the motion 
Explain:- Friction always opposes motion. 

 

2. The shape of the airplane is like a

     
     
     
     
ANSWER= (B) fish
Explain:- 
The shape of the airplane is like a fish

 

3.Friction is a __________

     
     
     
     
ANSWER= (B) contact force
Explain:- Friction is a contact force

 

4.Fluids are____

     A) liquids 
     
     
     
ANSWER= (A) Both
Explain:- Fluids are both liquids and gases

 

5.On what force of friction depends?

     
     
     
     
ANSWER= (D)  
Explain:- Force of friction depends upon smoothness, Roughness, Inclination of a surface. . 

 

6.Intermolecular space is the greatest in

     
     
     
     
ANSWER= (C) gases
Explain:-Intermolecular space is the greatest in gases

 

Friction is a /an_______

     
     
     
     
ANSWER= (A) both
Explain:- Friction is both foe and evil.

 

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