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Class 12 · Physics
→Of three forces, two are equal and opposite, while the third force acts westward. What is the direction of the net force?
Class 12 · Physics
→If both equal charges are changed to one-seventh of their original values and the force must remain unchanged, how should the distance change?
Class 12 · Physics
→If one charge is made 81 times larger and the force must remain unchanged, what should happen to the distance?
Class 12 · Physics
→The force between two charges must become 1/361 of its original value while the charges remain unchanged. How should the distance change?
Class 12 · Physics
→The force between two charges must become 289 times larger while the charges remain unchanged. How should the distance change?
Class 12 · Physics
→If the angle between two equal forces is 180°, why is their resultant zero?
Class 12 · Physics
→A charge experiences a force of 150 N northward, 88 N southward, and 105 N westward. What is the magnitude of the net force?
Class 12 · Physics
→A charge experiences a force of 120 N eastward, 68 N westward, and 39 N northward. What is the magnitude of the net force?
Class 12 · Physics
→Three equal negative charges lie in a straight line with equal spacing. If the left outer charge is changed to twelve times its original value and the right outer charge to one-eighth of its original value, what is the direction of the net force on the middle charge?
Class 12 · Physics
→Three equal positive charges lie in a straight line with equal spacing. If the left outer charge is changed to one-sixth of its original value and the right outer charge is changed to eighteen times its original value, what is the direction of the net force on the middle charge?
Class 12 · Physics
→If the magnitude of a target charge becomes thirteen times larger and its sign is reversed, what happens to the force exerted on it by each external charge?
Class 12 · Physics
→A negative target charge has a positive charge 216 times as large above it at distance 6 units and a positive charge 54 times as large below it at distance 3 units. What is the net force on the target charge?
Class 12 · Physics
→A positive target charge has a negative charge 256 times as large to its left at distance 8 units and a negative charge 64 times as large to its right at distance 4 units. What is the net force on the target charge?
Class 12 · Physics
→A positive target charge has a positive charge 125 times as large to its left at distance 5 units and a negative charge 200 times as large to its right at distance 10 units. In which direction is the net force on the target charge?
Class 12 · Physics
→The electrostatic force must become one-eighteenth of its original value, while the product of the charges becomes one-half. What change in separation is required?
Class 12 · Physics
→The electrostatic force is required to become eight times its original value. If the product of the charges becomes seventy-two times, what change in separation is needed?
Class 12 · Physics
→If the electrostatic force must remain unchanged and the separation between two charges is increased seventeen times, by what factor must the product of the charges change?
Class 12 · Physics
→The electrostatic force between two charges in air is 384 N. In a medium, the force becomes one sixty-fourth of its air value, while one charge is increased eight times. What is the new force?
Class 12 · Physics
→The electrostatic force in air is 720 N. In a medium it becomes one sixteenth of the air value, while the separation is halved and the charges remain unchanged. What is the new force?
Class 12 · Physics
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