Gravitation MCQs | STS IBA FPSC BPSC SPSC PPSC Mcqs Test Preparation
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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 formula for gravitational force F between two masses m₁ and m₂ separated by distance r is:
A. F = G m₁ m₂ / r²
B. F = G m₁ m₂ / r
C. F = G (m₁ + m₂) / r²
D. F = G m₁ m₂ r²
Answer: F = G m₁ m₂ / r²
If the distance between two objects is halved, the gravitational force between them becomes:
A. Four times greater
B. Half as much
C. Twice as much
D. One-fourth as much
Answer: Four times greater
The gravitational potential energy of a satellite in orbit is:
A. Negative
B. Positive
C. Zero
D. Variable depending on the satellite's speed
Answer: Negative
The acceleration due to gravity at a height h above the Earth’s surface compared to at the surface is:
A. Less than that at the surface
B. Greater than that at the surface
C. Equal to that at the surface
D. Indeterminate without knowing h
Answer: Less than that at the surface
The gravitational constant G is crucial in determining the force of gravity between two masses. Its value is:
A. 6.67 × 10⁻¹¹ N·m²/kg²
B. 9.81 × 10⁻¹¹ N·m²/kg²
C. 8.99 × 10⁹ N·m²/kg²
D. 6.67 × 10⁻¹² N·m²/kg²
Answer: 6.67 × 10⁻¹¹ N·m²/kg²
The gravitational force between two objects 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 gravitational force between two objects of masses 2 kg and 5 kg separated by a distance of 4 meters is:
A. 8.34 × 10⁻¹¹ N
B. 6.67 × 10⁻¹¹ N
C. 1.67 × 10⁻¹¹ N
D. 3.34 × 10⁻¹¹ N
Answer: 8.34 × 10⁻¹¹ N
If the mass of the Earth were to increase while its radius remains unchanged, what would happen to the acceleration due to gravity?
A. It would increase
B. It would decrease
C. It would remain the same
D. It would become zero
Answer: It would increase
The gravitational force between two masses is directly proportional to:
A. The product of their masses
B. The sum of their masses
C. The difference of their masses
D. The ratio of their masses
Answer: The product of their masses