While playing tug of war, Ravi felt that the rope was slipping through his hand. Which is the best way out for him to prevent this?

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He may rub soil

He may rub oil

He may rub water

Do nothing

answer is A.

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Detailed Solution

While playing tug of war, Ravi felt the rope slipping through his hand. Rubbing soil on his hands is the best way out for him to prevent this.
As they were playing tug of war, Ravi noticed less friction between his hands and the rope, which caused the rope to feel like it was slipping through his hand. He can apply some soil to create friction between his hands and the rope. The hands stay strong when the friction increases. By making a rough surface, friction can be increased. Examples of increasing friction: The tyres of motor cars and bicycles are rough to increase friction. When a ground or surface becomes slippery after rain or water splashing, it is rough by spreading sand to increase friction.

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