CBSE Class 11-science - Friction Videos

• Q8:If the normal force is doubled,then coefficient of friction is
• it is easy to pull lawnmover than to push it  
• 5th sum.plz
  
• 3rd sum plz
  
• What is friction? Explain how it takes place.
• State the types of friction.
• Explain briefly: (a) Static Friction (b) Kinetic friction
• State the methods to reduce friction.
• Ice skating is based on the phenomena of reduced friction. Explain briefly.
• Determine the acceleration of the car in which a box lying on its floor will remain stationary, given that the co-efficient of static friction between the box and the train's floor is 0.25.

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