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 at the Earth’s surface is:
A. Zero relative to infinity
B. Maximum relative to infinity
C. Indeterminate
D. Negative relative to infinity
Answer: Zero relative to infinity
The gravitational potential energy of an object at a height h above the Earth’s surface is:
A. mgh
B. G m₁ m₂ / r
C. 1/2 mv²
D. Fh
Answer: mgh
The gravitational field strength at a point inside the Earth is:
A. Directly proportional to the distance from the center
B. Inversely proportional to the distance from the center
C. Constant throughout the Earth
D. Zero at the center
Answer: Directly proportional to the distance from the center
The gravitational acceleration at a point above the Earth’s surface is given by:
A. g = g₀ / (1 + h/R)²
B. g = g₀ / (1 – h/R)²
C. g = g₀ * (1 + h/R)²
D. g = g₀ * (1 – h/R)
Answer: g = g₀ / (1 + h/R)²
The gravitational field strength at the surface of a planet is:
A. g = G M / R²
B. g = G R / M
C. g = G M R²
D. g = G M / R
Answer: g = G M / R²
The gravitational field strength at a distance d from the center of the Earth is:
A. g = G M / d²
B. g = G d² / M
C. g = G M d
D. g = G d / M
Answer: g = G M / d²
The gravitational force between two objects of mass 1 kg and 2 kg separated by 1 meter is:
A. 6.67 × 10⁻¹¹ N
B. 3.34 × 10⁻¹¹ N
C. 1.67 × 10⁻¹¹ N
D. 6.67 × 10⁻¹² N
Answer: 6.67 × 10⁻¹¹ N
The gravitational force between two masses is inversely proportional to:
A. The square of the distance between them
B. The distance between them
C. The product of their masses
D. The sum of their masses
Answer: The square of the distance between them
The escape velocity from the surface of a planet is given by:
A. √(2GM / R)
B. √(GM / R)
C. √(2G / M)
D. √(G M R)
Answer: √(2GM / R)