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Class 12 · Physics
→Among three forces, two are equal and opposite, while the third acts northward. What is the direction of the net force?
Class 12 · Physics
→If both equal charges are reduced to one-fifth of their original values and the force must remain unchanged, how should the distance change?
Class 12 · Physics
→If one charge is made 49 times larger and the force must remain unchanged, what should happen to the distance between the charges?
Class 12 · Physics
→The force between two charges must become 1/144 of its original value while the charges remain unchanged. How should the distance change?
Class 12 · Physics
→The force between two charges must become 121 times larger while the charges remain unchanged. What should the distance become?
Class 12 · Physics
→As the angle between two equal forces increases from 0° to 180°, at which angles are the maximum and minimum resultants obtained?
Class 12 · Physics
→A charge experiences forces of 45 N northward, 20 N southward, and 60 N westward. What is the magnitude of the net force?
Class 12 · Physics
→A charge experiences a force of 52 N eastward, 28 N westward, and 7 N northward. What is the magnitude of the net force?
Class 12 · Physics
→Three equal negative charges lie in a straight line at equal spacing. If the left outer charge becomes twice as large and the right outer charge becomes nine times as large, what is the direction of the net force on the middle charge?
Class 12 · Physics
→Three equal positive charges lie in a straight line at equal spacing. If the left outer charge becomes eight times larger and the right outer charge becomes twice as large, what is the direction of the net force on the middle charge?
Class 12 · Physics
→If the magnitude of a target charge becomes seven times larger and its sign is reversed, what happens to each force exerted on it by external charges?
Class 12 · Physics
→A negative target charge has a 32-times positive charge above it at distance 4 and an 8-times positive charge below it at distance 2. What is the net force on the target?
Class 12 · Physics
→A positive target charge has a 50-times negative charge to its left at distance 5 and an 8-times negative charge to its right at distance 2. What is the net force on the target?
Class 12 · Physics
→A positive target charge has a 27-times positive charge to its left at distance 3 and a 72-times negative charge to its right at distance 6. What is the direction of the net force on the target?
Class 12 · Physics
→If the force must become one-eighth of its original value while the product of the charges becomes one-half, what change in separation is needed?
Class 12 · Physics
→If the force must become five times its original value and the product of the charges becomes twenty times larger, what change in separation is required?
Class 12 · Physics
→If the force between two charges must remain unchanged while their separation is made eleven times larger, by what factor must the product of the charges change?
Class 12 · Physics
→The force between two charges in air is 118 N. In a medium, the force becomes one-ninth of its air value, while one charge is tripled. What is the new force?
Class 12 · Physics
→The electrostatic force in air is 300 N. In a medium it becomes one-sixth of the air value, while the separation is halved. If the charges remain unchanged, what is the new force?
Class 12 · Physics
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