We have four charges, each of which has size given by some integer A, B, C, or D times q, where q=2.50E−07 C. The charges sit in a plane at the corners of a square whose sides have length d=68.5 cm as shown in the diagram below. A charge, of size Eq, is placed at the origin at the center of the square. a)Let A = 4, B = 2, C = 3, D = 8, and E = −5. Consider the charge at the center of the square, Eq. What is the net x-component of the force on this charge? b)What is the net force in the y-direction on the center charge? c) Consider the situation as described above with A=B=C=D=1,E=-1. For the following, check each box that corresponds to a true statement. Select "None of the above" if none of them are true. A. The equilibrium point at the center is a stable equilibrium for the negative charge for motion perpendicular to the plane of the square. B. The equilibrium point at the center is an unstable equilibrium for the motion of the negative charge in the plane of the square. C. The sum of the forces on the center charge in the x-direction equals zero. D. If one were to triple the magnitude of the negative charge, the negative charge would be in equilibrium. E. If one were to double the magnitude of the upper-right-hand positive charge, the negative charge would be in equilibrium. F. None of the above.
We have four charges, each of which has size given by some integer A, B, C, or D times q, where q=2.50E−07 C. The charges sit in a plane at the corners of a square whose sides have length d=68.5 cm as shown in the diagram below. A charge, of size Eq, is placed at the origin at the center of the square.
a)Let A = 4, B = 2, C = 3, D = 8, and E = −5. Consider the charge at the center of the square, Eq. What is the net x-component of the force on this charge?
b)What is the net force in the y-direction on the center charge?
c)
Consider the situation as described above with A=B=C=D=1,E=-1. For the following, check each box that corresponds to a true statement. Select "None of the above" if none of them are true.
A. The equilibrium point at the center is a stable equilibrium for the negative charge for motion perpendicular to the plane of the square.
B. The equilibrium point at the center is an unstable equilibrium for the motion of the negative charge in the plane of the square.
C. The sum of the forces on the center charge in the x-direction equals zero.
D. If one were to triple the magnitude of the negative charge, the negative charge would be in equilibrium.
E. If one were to double the magnitude of the upper-right-hand positive charge, the negative charge would be in equilibrium.
F. None of the above.
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