2. A rectangular loop of wire has dimensions 0.500 m by SP 0.300 m. The loop is pivoted at the x axis and lies in the xy plane as shown in Figure P29.52. A uniform mag- netic field of magnitude 1.50 T is directed at an angle of 40.0° with respect to the y axis with field lines parallel to the yz plane. The loop carries a current of 0.900 A in the direction shown. (Ignore gravitation.) We wish to evaluate the torque on the current loop. (a) What is the direction of the magnetic force exerted on wire seg- ment ab? (b) What is the direction of the torque associ- ated with this force about an axis through the origin? (c) What is the direction of the magnetic force exerted on segment cd? (d) What is the direction of the torque associated with this force about an axis through the ori- gin? (e) Can the forces examined in parts (a) and (c) combine to cause the loop to rotate around the x axis? (f) Can they affect the motion of the loop in any way? Explain. (g) What is the direction of the magnetic force exerted on segment bc? (h) What is the direction of the torque associated with this force about an axis through the origin? (i) What is the torque on segment ad about an axis through the origin? (j) From the point of view of Figure P29.52, once the loop is released from rest at B 40.0° 9.
2. A rectangular loop of wire has dimensions 0.500 m by SP 0.300 m. The loop is pivoted at the x axis and lies in the xy plane as shown in Figure P29.52. A uniform mag- netic field of magnitude 1.50 T is directed at an angle of 40.0° with respect to the y axis with field lines parallel to the yz plane. The loop carries a current of 0.900 A in the direction shown. (Ignore gravitation.) We wish to evaluate the torque on the current loop. (a) What is the direction of the magnetic force exerted on wire seg- ment ab? (b) What is the direction of the torque associ- ated with this force about an axis through the origin? (c) What is the direction of the magnetic force exerted on segment cd? (d) What is the direction of the torque associated with this force about an axis through the ori- gin? (e) Can the forces examined in parts (a) and (c) combine to cause the loop to rotate around the x axis? (f) Can they affect the motion of the loop in any way? Explain. (g) What is the direction of the magnetic force exerted on segment bc? (h) What is the direction of the torque associated with this force about an axis through the origin? (i) What is the torque on segment ad about an axis through the origin? (j) From the point of view of Figure P29.52, once the loop is released from rest at B 40.0° 9.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:4.5G
23:46 O
italll 67
E hw3 question2-4
52. A rectangular loop of wire has dimensions 0.500 m by
GP 0.300 m. The loop is pivoted at the xaxis and lies in the
xy plane as shown in Figure P29.52. A uniform mag-
netic field of magnitude 1.50 T is directed at an angle of
40.0° with respect to the y axis with field lines parallel
to the yz plane. The loop carries a current of 0.900 A in
the direction shown. (Ignore gravitation.) We wish to
evaluate the torque on the current loop. (a) What is the
direction of the magnetic force exerted on wire seg-
ment ab? (b) What is the direction of the torque associ-
ated with this force about an axis through the origin?
(c) What is the direction of the magnetic force exerted
on segment ed? (d) What is the direction of the torque
associated with this force about an axis through the ori-
gin? (e) Can the forces examined in parts (a) and (c)
combine to cause the loop to rotate around the x axis?
(f) Can they affect the motion of the loop in any way?
Explain. (g) What is the direction of the magnetic force
exerted on segment be? (h) What is the direction of the
torque associated with this force about an axis through
the origin? (i) What is the torque on segment ad about
an axis through the origin? (j) From the point of view
of Figure P29.52, once the loop is released from rest at
a
40.0°
Figure P29.52
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