Q. We cannot lift up a chair while sitting on it. The reason for this is:
Solution:
The amount of force you apply pulling it up, the same amount of force you apply with your butt on the chair in the form of weight. This demonstrates Newton’s third law of motion.
Do this experiment, keep a weighing machine on a chair and sit on it. Now try pulling up the chair. You’ll notice that your weight will increase as you increase the force you apply pulling it up. This weight prevents it from being lifted.
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