friction causes the washer to move up and down more easily when we use the water pump (hand pump) as it creates lower level of interaction between the wall of the pump and washer because of which friction decreases and efficiency increases
friction causes the washer to move up and down more easily when we use the water pump (hand pump) as it creates lower level of interaction between the wall of the pump and washer because of which friction decreases and efficiency increases
Yes, God is is real.
Yes, God is is real.
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