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Class 12 · Physics
→A negative target charge has a positive charge above it and a negative charge below it, both at equal distance and with equal magnitude. What is the direction of the net force?
Class 12 · Physics
→A positive target charge has a negative charge above it and a positive charge below it, both at equal distance and with equal magnitude. What is the direction of the net force on the target?
Class 12 · Physics
→A target experiences a 63 N force southward and a 16 N force eastward. In which direction is the resultant force?
Class 12 · Physics
→Two charges repel each other. If the magnitudes of both charges become one-sixth and the sign of only one charge is reversed, what happens?
Class 12 · Physics
→Two charges attract each other. If one charge is made twelve times larger and the sign of the other charge is reversed, what will be the nature and magnitude of the new force?
Class 12 · Physics
→The distance between two equal charges is reduced to one-sixth of its original value. To keep the force unchanged, what should each charge become?
Class 12 · Physics
→Two equal charges at a distance of 5 units exert a force. If the distance is increased to 10 units, by what factor should each charge change to produce the same force?
Class 12 · Physics
→If the vector sum of three forces is zero and the first two perpendicular forces are 20 N and 21 N, what is the magnitude of the third force?
Class 12 · Physics
→Two external charges exert perpendicular forces of 43 N and 24 N on a target charge. What is the magnitude of the resultant force?
Class 12 · Physics
→Two external charges exert perpendicular forces of 56 N and 90 N on a target charge. What is the magnitude of the net force?
Class 12 · Physics
→Among three forces, two are equal and opposite, while the third force acts southward. What is the direction of the net force?
Class 12 · Physics
→If both equal charges are reduced to one-sixth of their original values and the force must remain unchanged, how should the separation distance change?
Class 12 · Physics
→If one of two charges is increased to 64 times its original value and the force must remain unchanged, what should the separation distance become?
Class 12 · Physics
→If the force between two unchanged charges must become 1/256 of its original value, how should their separation distance change?
Class 12 · Physics
→According to Coulomb’s law, if the force must become 169 times larger while the charges remain unchanged, what should happen to the separation distance?
Class 12 · Physics
→When the angle between two equal forces increases, their resultant decreases. If the angle is 0°, what is the resultant in terms of one force F?
Class 12 · Physics
→A charge experiences a 100 N force northward, a 36 N force southward, and a 48 N force westward. What is the magnitude of the net force?
Class 12 · Physics
→A charge experiences an 80 N force eastward, a 48 N force westward, and a 24 N force northward. What is the magnitude of the net force?
Class 12 · Physics
→Three equal negative charges lie on a straight line with equal spacing. If the left outer charge is changed to nine times its original value and the right outer charge to one-fifth of its original value, in which direction is the net force on the middle charge?
Class 12 · Physics
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