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levacccp [35]
3 years ago
9

Choose the false statement concerning parallel circuits.

Physics
1 answer:
alisha [4.7K]3 years ago
8 0
Current can vary in different branches of a circuit

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It pushes it because an unbalanced force is pushing more newtons than something that isn't even moving. Even if it is moving, it depends which side is pushing/pulling the most force.

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A small bead of mass m is constrained to slide without friction inside a circular vertical hoop of radius r which rotates about
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Explanation:

The bead is moving on a vertical circular path so it must have a centripetal force towards the centre.

This force is equal to m v² / r

v is velocity of bead and r is radius of the circular path.

The vertical hoop is also rotating about a vertical axis passing through the centre at frequency f so the bead will experience a cetrifugal force due to rotation of the hoop. Its value is

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Les propriétés de l’air?
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