1. Imagine that friction suddenly vanishes. How would life be affected. List ten suchsituations.2. Visit a shop which sells sport shoes. Observe the soles of shoes meant for various sports.Describe your observations.3. If you use a stick to push an object, the muscular force acting

Due to paucity of time, we are unable to solve all of your queries. We are providing solution to only of one problem asked by you
1. (a) Walking will not be possible without friction. Our foot pressing the ground will only slip.
 (b) The transfer of motion from one part of a machine to the other part through belt will not be possible without friction.
(c) Brakes of the vehicle will not work without friction.
(d) Writing on black board or on paper will also not be possible without friction.
(e) It will be impossible to start a car on a very slippery road.
(f) Adhesives will lose their purpose if there is no friction.
You can find similar more examples by yourself in daily life.

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