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Question
two objects move toward each other because of gravity. as the objects get closer and closer, the acceleration of each remains constant. decreases. increases. question 4 1 pts the main reason ocean tides exist is that the pull of the moon is greater on oceans closer to the moon and less on oceans farther from the moon. and the sun on the oceans are in opposite directions. and sun are in conjunction at high tides and in opposition at low tides. is greater on the earth because the moon is closer to earth. none of these
Brief Explanations
- For the first question, according to Newton's law of universal gravitation $F = G\frac{m_1m_2}{r^2}$, as the distance $r$ between the two objects decreases, the gravitational force $F$ increases. From Newton's second - law $F = ma$, an increase in force with mass constant leads to an increase in acceleration.
- For the second question, ocean tides are caused by the differential gravitational pull of the moon on the Earth. The gravitational pull of the moon is greater on the oceans closer to the moon and less on the oceans farther from the moon, creating a tidal force.
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- increases.
- is greater on oceans closer to the moon and less on oceans farther from the moon.