Question

Please answer me these questions which is given in picture. Please please help me.

Answer 1

Answer:

1-

we need more friction so as to not to slip from the stairs

2-

for gripping on handlebars friction should be more so our hand stay on the handle and we control the cycle effectively.

3-

in sliding doors friction should be less so that the doors are able to open and close easily

4-

there should be minimum friction between slipway and ship so that ship can move without using much force.

5-

between railway track and wheels there is rolling friction.so the friction is very less for trains to move swiftly and smoothly.

6-between snow and snow board the friction will be very less because the board rider needs to slide down without much blockage or roughness under his board.

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