Practice Work, Energy, Power and Gravitation – GK Quiz with Answers – Level 1

50 questions. Choose an option and see at once whether it was right, with the correct answer and a worked solution. No timer, and nothing to submit.

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Question 1
According to the universal law of gravitation, the force between two objects is directly proportional to what?
Question 2
In the formula \(F = G \dfrac{Mm}{d^{2}}\), what does G stand for?
Question 3
Tides on Earth are caused by the gravitational pull of which two bodies?
Question 4
When an object falls under the action of gravitational force alone, the motion is called what?
Question 5
What is the approximate value of acceleration due to gravity (g) on Earth?
Question 6
What is the unit of mass?
Question 7
What is the SI unit of weight?
Question 8
The weight of an object on the Moon is what fraction of its weight on Earth?
Question 9
The joule, the unit of work, is named after which scientist?
Question 10
Which formula gives the kinetic energy of an object of mass m moving with speed v?

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