please explain c）why B is point to east and why Force is pointing inward？？need 3D picture to prove this because I am so confused.What I get is force should pointing up and have no clue why B is east？B cannot be west？？？ A wire of mass 10 grams and length 50 cm carries aSouthward current of 2A while resting on ahorizontal table on Earth.a) If a vertically downward uniform magnetic fieldof 0.2 T is applied, determine the direction andmagnitude of the magnetic force on the wire.b) Determine the acceleration of the wire if itscoefficient of kinetic friction with the table is 0.4.c) Determine the direction and magnitude of thesmallest uniform magnetic field required tolevitate the wire. ()To lentatehave magnithade Fing z mge whe, freay must peoint vertiealy up ankBLEast)By AHR B has to panst fast IYIlB zmg10 10 = 101T2x0.5Il

A wire of mass 10gram and length 50cm carries a southward direction.

please explain c）why B is point to east and why Force is pointing inward？？need 3D picture to prove this because I am so confused.What I get is force should pointing up and have no clue why B is east？B cannot be west？？

please explain c）why B is point to east and why Force is pointing inward？？need 3D picture to prove this because I am so confused.What I get is force should pointing up and have no clue why B is east？B cannot be west？？

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter12: Sources Of Magnetic Fields

Section: Chapter Questions

Problem 25P: A long, straight, horizontal wire carries a left-to-right current of 20 A. If the wire is placed in...

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Question

A wire of mass 10 grams and length 50 cm carries a
Southward current of 2A while resting on a
horizontal table on Earth.
a) If a vertically downward uniform magnetic field
of 0.2 T is applied, determine the direction and
magnitude of the magnetic force on the wire.
b) Determine the acceleration of the wire if its
coefficient of kinetic friction with the table is 0.4.
c) Determine the direction and magnitude of the
smallest uniform magnetic field required to
levitate the wire.

()
To lentate
have magnithade Fing z mg
e whe, freay must peoint vertiealy up ank
BLEast)
By AHR B has to panst fast IY
IlB zmg
10 10 = 101T
2x0.5
Il

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