Please tell me 26,27,and 28 answers and who give all the answers I mark you as brainlist.....
Answers
Answer:
25.a》Advantages of Friction:
Friction is responsible for many types of motion.
It helps us walk on the ground.
Brakes in a car make use of friction to stop the car.
Asteroids are burnt in the atmosphere before reaching Earth due to friction.
It helps in the generation of heat when we rub our hands.
b》Methods for decreasing friction:
Make the surfaces smoother. Rough surfaces produce more friction and smooth surfaces reduce friction.
Lubrication is another way to make a surface smoother. ...
Make the object more streamlined. ...
Reduce the forces acting on the surfaces. ...
Reduce the contact between the surfaces.
28》Avoid the use of plastic disposable material.
Rather use a reusable drinking bottle, for example made of glass. Avoid the use of disposable cups. Even paper cups are usually covered with a thin layer of plastic. Prefer bringing your own cup.
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