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Is Matter Around Us Pure

Question
CBSEENSC9005862
Wired Faculty App

According to third law of motion when we push on an object, the object pushes back on us with an equal and opposite force. If the object is a massive truck parked along the roadside, it will probably not move. A student justifies this by answering that the two opposite and equal forces cancel each other. Comment on this logic and explain why the truck does not move.

Solution

Action and reaction can never cancel each other because they always acts on two different bodies. 
The force of friction between the truck's tyres and the road is very large. Also, the weight of the truck is massive. So, when we push the truch it does not move.



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Substance Dissolved

Temperature in K

283

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