Question : Which force is responsible for the motion of the moon around the Earth?
Option 1: Van der Waals
Option 2: Centrifugal
Option 3: Frictional
Option 4: Centripetal
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Correct Answer: Centripetal
Solution : The correct answer is Centripetal.
The centripetal gravitational force is responsible for the moon's orbit around the Earth. The centripetal force needed to maintain planets in orbit around the sun is provided by gravitational pull, and it is also responsible for satellites orbiting the Earth. A lunar revolution takes around a month to complete.
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Question : According to the second law of motion, for a given force, acceleration is inversely proportional to the _______ of the object.
Question : If the force applied on the object is in the direction of its motion, the speed of the object _____.
Question : If the force applied on the object is in the direction opposite to the direction of motion, the speed of the object_____.
Question : Identify the correct statement.
Question : Which scientist suggested that the magnet must also exert an equal and opposite force on the current-carrying conductor?
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