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 crucial for calculating:
A. The gravitational force between two masses
B. The speed of light
C. The electrical force between charges
D. The magnetic force between poles
Answer: The gravitational force between two masses
If two objects of mass 1 kg and 2 kg are separated by a distance of 1 meter, the gravitational force between them is:
A. 6.67 × 10⁻¹¹ N
B. 1.34 × 10⁻¹¹ N
C. 6.67 × 10⁻¹¹ N
D. 6.67 × 10⁻¹² N
Answer: 6.67 × 10⁻¹¹ N
The escape velocity from a planet depends on:
A. The planet's mass and radius
B. The planet's surface temperature
C. The object's mass
D. The object's shape
Answer: The planet's mass and radius
The gravitational potential energy of an object at height h above a reference point is:
A. mgh
B. Gm₁m₂/r
C. 1/2 mv²
D. Fh
Answer: mgh
The gravitational acceleration g at a height h above Earth’s surface is:
A. g = g₀ / (1 + h/R)²
B. g = g₀ / (1 + h/R)
C. g = g₀ (1 + h/R)²
D. g = g₀ (1 – h/R)²
Answer: g = g₀ / (1 + h/R)²
The value of acceleration due to gravity is influenced by:
A. The mass of the Earth
B. The radius of the Earth
C. Altitude above the Earth's surface
D. All of the above
Answer: All of the above
The force of gravity on the surface of Mars is approximately:
A. 3.7 m/s²
B. 9.8 m/s²
C. 8.9 m/s²
D. 10 m/s²
Answer: 3.7 m/s²
The acceleration due to gravity on the surface of the Moon is about:
A. 1.6 m/s²
B. 9.8 m/s²
C. 4.9 m/s²
D. 6.7 m/s²
Answer: 1.6 m/s²
The gravitational potential energy of an object in free fall is converted into:
A. Kinetic energy
B. Elastic potential energy
C. Chemical energy
D. Thermal energy
Answer: Kinetic energy