Author Question: A straight wire carries a current of 10 A at an angle of 30 with respect to the direction of a ... (Read 149 times)

genevieve1028 · **on:** Jul 29, 2018

A straight wire carries a current of 10 A at an angle of 30 with respect to the direction of a uniform 0.30-T magnetic field. Find the magnitude of the magnetic force on a 0.50-m length of the wire.

A) 0.75 N
B) 1.5 N
C) 3.0 N
D) 6.0 N

Question 2

A man in a gym is holding an 8.0-kg weight at arm's length, a distance of 0.55 m from his shoulder joint. What is the torque about his shoulder joint due to the weight if his arm is held at 30 below the horizontal?

A) 22 N m
B) 2.2 N m
C) 4.4 N m
D) 13 N m
E) 37 N m

potomatos · **Reply #1 on:** Jul 29, 2018

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