Question : Identify the incorrect statement for the universal law of gravitation.
Option 1: It is the force that binds us to the earth
Option 2: It is the force causing tides due to the stars and the earth
Option 3: It is the forces that assist the motion of the moon around the earth
Option 4: It is the force that keeps the motion of planets around the Sun
Correct Answer: It is the force causing tides due to the stars and the earth
Solution : The correct option is It is the force causing tides due to the stars and the Earth.
The universal law of gravitation primarily describes the gravitational attraction between two masses, such as the Earth and an object on or near its surface. Tides are caused by the gravitational forces exerted by the Moon and the Sun on Earth's oceans, not stars. While stars do exert gravitational forces, their effects on Earth's tides are negligible compared to the Moon and the Sun.
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Question : The solar eclipse occurs when:
Option 1: the Sun comes between the moon and the Earth
Option 2: the moon moves too far away from the Sun
Option 3: an asteroid comes between the Sun and the moon
Option 4: the moon comes between the Earth and the Sun
Question : Which of the following helps keep the Earth's atmosphere in place?
Option 1: The gravitational force of the moon
Option 2: Rotation of the Earth on its axis
Option 3: The gravitational force of the Earth
Option 4: The gravitational force of the Sun
Question : All changes in the weather of the earth are caused by the ______.
Option 1: altitude
Option 2: tides
Option 3: sun
Option 4: moon
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
Question : Which of the following laws applies to the force of attraction or repulsion between two point charges?
Option 1: Kirchhoff's Law
Option 2: Newton's Law of Universal Gravitation
Option 3: Coulomb's Law
Option 4: Newton's Laws of Motion
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