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Questions and Answers
Which kind of forces are spring force, gravitational force, and Coulomb force?
Which kind of forces are spring force, gravitational force, and Coulomb force?
- Centripetal forces
- Conservative forces (correct)
- Non-conservative forces
- Frictional forces
What is the dependence of both gravitational force and Coulomb force on distance?
What is the dependence of both gravitational force and Coulomb force on distance?
- Inverse-square dependence (correct)
- Exponential dependence
- Linear dependence
- No dependence on distance
What happens to the potential energy of a body when the external force is removed?
What happens to the potential energy of a body when the external force is removed?
- It remains constant
- It decreases
- It gets converted to kinetic energy (correct)
- It increases
What is the sum of kinetic and potential energies conserved for?
What is the sum of kinetic and potential energies conserved for?
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What are the proportionality constants in the gravitational law replaced by in Coulomb's law?
What are the proportionality constants in the gravitational law replaced by in Coulomb's law?
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