Gravitation MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation
Master Gravitation with Expert Online Physics Exams
Enhance your knowledge of Gravitation with advanced online physics exams designed to optimize your preparation. These resources provide a comprehensive review of basic physics concepts related to gravitational forces, potential energy, and orbital mechanics. Utilize practice tests and MCQ answers to deepen your understanding and excel in your studies. Special focus on MDCAT MCQs can give you a significant advantage in mastering gravitational principles.
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The gravitational potential energy of an object near the Earth’s surface is dependent on:
A. Its height above the ground
B. Its mass
C. The acceleration due to gravity
D. All of the above
Answer: All of the above
If the distance between two objects is doubled, the gravitational force between them will be:
A. One-fourth of its original value
B. Twice its original value
C. Half of its original value
D. Four times its original value
Answer: One-fourth of its original value
Which of the following does not affect the gravitational force between two masses?
A. The distance between the masses
B. The masses of the objects
C. The gravitational constant
D. The shape of the objects
Answer: The shape of the objects
The gravitational field strength at the surface of a planet can be expressed as:
A. g = G M / R²
B. g = M / G R²
C. g = G R² / M
D. g = G M R²
Answer: g = G M / R²
The gravitational field strength is:
A. The force per unit mass experienced by a small test mass placed at a point in the field
B. The energy per unit mass experienced by a small test mass placed at a point in the field
C. The work done per unit mass to bring the mass from infinity to that point
D. The force experienced by a small test mass due to other forces acting on it
Answer: The force per unit mass experienced by a small test mass placed at a point in the field
The escape velocity from the surface of a planet depends on which factors?
A. The planet's mass and radius
B. The planet's mass and density
C. The planet's radius and surface temperature
D. The planet's density and surface area
Answer: The planet's mass and radius
If the mass of an object is doubled while its height remains the same, what happens to the gravitational potential energy?
A. It is doubled
B. It is halved
C. It remains the same
D. It is quadrupled
Answer: It is doubled
The force of gravity on a planet is proportional to which factors?
A. The mass of the planet and the distance from the center
B. The radius of the planet and the distance from the center
C. The density of the planet and the distance from the center
D. The mass of the planet and the height above the surface
Answer: The mass of the planet and the distance from the center
What is the formula for calculating gravitational potential energy?
A. U = mgh
B. U = Gm₁m₂/r²
C. U = 1/2 mv²
D. U = Fd
Answer: U = mgh