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Harmony
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I understand that the Sun's gravity force provides the centripetal force for the Earth to orbit around it. However, what provides the torque for the rotational motion of Earth?
Rotational motion of celestial bodies refers to the movement of an object in a circular or rotational path around an axis. This motion is commonly seen in planets, stars, and other celestial bodies.
The rotational motion of celestial bodies is caused by the force of gravity. The gravitational force exerted by larger celestial bodies, such as a star or planet, can cause smaller objects to orbit around them.
Rotational motion of celestial bodies is measured in terms of angular velocity, which is the rate of change of the angle of rotation over time. It is typically measured in degrees per second or radians per second.
Yes, the rotational motion of celestial bodies can change over time. Factors such as collisions, gravitational interactions, and tidal forces can alter the rotational motion of celestial bodies.
The rotational motion of celestial bodies can have various effects, including creating day and night cycles, causing tides, and influencing the shape of the celestial body. It also plays a crucial role in the stability and dynamics of planetary systems.