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17-08-2017
Physics

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An upward force of 27.5 n is applied to a string to lift a ball with a mass of 2.5 kg.
a. what is the net force acting upon the ball

Respuesta :

tahanirish tahanirish

17-08-2017

we first find that weight W of the ball
where W= ma
W= (2.5)(9.81)
= 24.525
therefore the net force acting upon the ball is
= upward force - weight
= 27.5 - 24.525
= 2.975 N

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