Which of the following forces gives rise to ocean tides?
Correct answer: B. Gravitational force
- A. Frictional force
- B. Gravitational force
- C. Earth's magnetic force
- D. Nuclear force
Explanation
The gravitational forces exerted by the Moon and the Sun are the primary cause of ocean tides.
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About Work and Energy
Work transfers energy when a force causes displacement, while kinetic energy, gravitational potential energy and power describe motion, position and the rate of energy transfer. The work-energy theorem links net work with change in kinetic energy, and efficiency accounts for energy losses rather than treating them as energy destruction.
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