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Class 12 · Physics
→A negative target charge has an equal negative charge above it and an equal positive charge below it, both at the same distance. What is the direction of the net force on the target?
Class 12 · Physics
→A positive target charge has an equal positive charge above it and an equal negative charge below it, both at the same distance. What is the direction of the net force on the target?
Class 12 · Physics
→Two external charges exert forces on a target charge: 15 N eastward and 20 N northward. In which direction does the resultant force point?
Class 12 · Physics
→Two charges initially repel each other. If the magnitudes of both charges are halved and the sign of only one charge is reversed, what happens to the force?
Class 12 · Physics
→Two charges initially attract each other. If the magnitudes of both charges are doubled and the sign of one charge is reversed, what happens to the force?
Class 12 · Physics
→Two equal charges must exert the same force even when their separation becomes three times the original distance. By what factor should each charge be changed?
Class 12 · Physics
→Two equal charges separated by distance r exert a certain force. If their separation is changed to 2r, by what factor should each charge be multiplied to keep the force unchanged?
Class 12 · Physics
→If the vector sum of three forces acting on a charge is zero, and two of the forces are unequal, in what direction must the third force act?
Class 12 · Physics
→Two perpendicular forces of 7 N and 24 N act on a charge. What is the magnitude of their resultant?
Class 12 · Physics
→Two forces of 10 N and 24 N act on a target charge in perpendicular directions. What is the magnitude of the net force?
Class 12 · Physics
→In a linear three-charge arrangement, the forces on the target charge from the left and right charges have equal magnitudes and the same direction. What is the correct conclusion?
Class 12 · Physics
→If one charge is made nine times larger and the force must remain unchanged, how should the distance between the charges change?
Class 12 · Physics
→The force between two charges must remain constant. If one charge is made four times larger while the other remains unchanged, what change in distance is required?
Class 12 · Physics
→The force between two charges must become one-sixteenth of its original value while the charges remain unchanged. What change in distance is required?
Class 12 · Physics
→The force between two charges must become 16 times larger while the charges remain unchanged. What should happen to the distance between them?
Class 12 · Physics
→If the net force on a charge is zero, but two different charges exert forces on it, what condition must those two forces satisfy?
Class 12 · Physics
→A charge experiences a 12 N force to the right and a 5 N force upward. If a third force of 12 N to the left also acts, what is the net force?
Class 12 · Physics
→Three forces act on a charge: 8 N to the right, 6 N upward, and 8 N to the left. What is the direction of the net force?
Class 12 · Physics
→Three equal negative charges are on a line with equal spacing. If the right outer charge is made four times what is the net force on the middle charge?
Class 12 · Physics
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