What is the net force needed to lift a full grocery sack (weighing 210N) uniformly?

1 answer:

marta [7]2 years ago

5 0

Its a Net force of 21.41404

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brilliants [131]

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Speed will be 30810 rpm

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We have given diameter of the tire d = 24 inch

So radius $r=\frac{d}{2}=\frac{24}{2}=12imch$

We have given linear velocity v = 35 mph

We know that linear velocity is given by $v=\omega r$

$35=\omega \times 12$

$\omega =\frac{35}{12}\times \frac{63360}{60}=3080rad/min$

As we know that 1 mile = 63360 inch and 1 hour = 60 min

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