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 constant G is measured in units of:
A. N·m²/kg²
B. N·m/kg
C. m²/kg
D. N·kg²/m²
Answer: N·m²/kg²
The gravitational field strength on the Moon is approximately:
A. 1.6 m/s²
B. 9.81 m/s²
C. 3.7 m/s²
D. 12.0 m/s²
Answer: 1.6 m/s²
The force of gravity between two objects with masses m₁ and m₂ separated by distance r is given by:
A. G m₁ m₂ / r²
B. G m₁ m₂ / r
C. G m₁ m₂
D. G / (m₁ m₂)
Answer: G m₁ m₂ / r²
The escape velocity from the Earth’s surface is approximately:
A. 11.2 km/s
B. 7.9 km/s
C. 5.0 km/s
D. 12.3 km/s
Answer: 11.2 km/s
The gravitational acceleration on the surface of Earth is:
A. 9.81 m/s²
B. 8.9 m/s²
C. 10 m/s²
D. 11.2 m/s²
Answer: 9.81 m/s²
The gravitational field strength at height h above the Earth’s surface is:
A. g / (1 + h/R)²
B. g / (1 – h/R)²
C. g * (1 + h/R)
D. g * (1 – h/R)
Answer: g / (1 + h/R)²
The gravitational constant G is measured in:
A. N·m²/kg²
B. N·m/kg
C. m²/kg
D. N·kg²/m²
Answer: N·m²/kg²
The escape velocity of an object depends on the:
A. Mass and radius of the celestial body
B. Density and temperature of the body
C. Temperature and pressure of the body
D. Mass and surface area of the body
Answer: Mass and radius of the celestial body
The gravitational field strength on the surface of the Earth is:
A. 9.81 m/s²
B. 8.9 m/s²
C. 10 m/s²
D. 11.2 m/s²
Answer: 9.81 m/s²