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 acceleration due to gravity 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
The gravitational acceleration at a height h above the surface of the Earth is:
A. Less than at the surface
B. Greater than at the surface
C. Equal to that at the surface
D. Indeterminate without knowing the height
Answer: Less than at the surface
The gravitational field strength at a height h above the Earth’s surface is:
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 potential energy of an object on the surface of the Earth is:
A. mgh
B. G m₁ m₂ / r
C. 1/2 mv²
D. Fh
Answer: mgh
The gravitational acceleration at the surface of a planet with radius R and mass M is given by:
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 the Earth’s surface is affected by:
A. The Earth's mass and radius
B. The Earth's temperature
C. The Earth's rotation speed
D. The altitude of the observer
Answer: The Earth's mass and radius
The gravitational field strength at a point above the Earth’s surface is given by:
A. g = G M / (R + h)²
B. g = G M / R²
C. g = G (R + h) / M
D. g = G M / (R – h)²
Answer: g = G M / (R + h)²
The gravitational force between two objects of mass 5 kg and 10 kg separated by 2 meters is:
A. 1.67 × 10⁻¹¹ N
B. 8.34 × 10⁻¹¹ N
C. 3.34 × 10⁻¹¹ N
D. 6.67 × 10⁻¹¹ N
Answer: 1.67 × 10⁻¹¹ N
The force of gravity between two objects decreases as:
A. The distance between them increases
B. The masses of the objects decrease
C. The gravitational constant decreases
D. The height above the surface increases
Answer: The distance between them increases