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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What is the gravitational force between two 1 kg masses placed 1 meter apart?
A. 6.674 × 10⁻¹¹ N
B. 6.674 × 10⁻¹² N
C. 6.674 × 10⁻¹⁰ N
D. 6.674 × 10⁻¹³ N
Answer: 6.674 × 10⁻¹¹ N
At what distance from the center of the Earth does the acceleration due to gravity become half of its value at the surface?
A. At a distance of 2 Earth radii.
B. At a distance of 4 Earth radii.
C. At a distance of 1 Earth radius.
D. At a distance of 3 Earth radii.
Answer: At a distance of 2 Earth radii.
The gravitational force between two objects is inversely proportional to the:
A. Square of the distance between them.
B. Product of their masses.
C. Sum of their masses.
D. Difference in their masses.
Answer: Square of the distance between them.
The force of gravity between two objects is proportional to:
A. The product of their masses.
B. The sum of their masses.
C. The difference in their masses.
D. The ratio of their masses.
Answer: The product of their masses.
What is the weight of a 70 kg person on the surface of the Earth?
A. 686 N
B. 70 N
C. 700 N
D. 98 N
Answer: 686 N
The gravitational potential energy of an object is given by the formula:
A. U = mgh
B. U = -G(m₁m₂)/r
C. U = 1/2 mv²
D. U = G(m₁m₂)/r
Answer: U = -G(m₁m₂)/r
What happens to the gravitational force between two objects if the distance between them is doubled?
A. The force is halved.
B. The force is doubled.
C. The force is quartered.
D. The force remains the same.
Answer: The force is quartered.
What is the gravitational force between two masses of 10 kg and 20 kg separated by a distance of 2 meters?
A. 1.67 × 10⁻¹² N
B. 1.67 × 10⁻¹¹ N
C. 1.67 × 10⁻¹⁰ N
D. 1.67 × 10⁻¹³ N
Answer: 1.67 × 10⁻¹¹ N
If the mass of the Earth were doubled while its radius remained the same, what would happen to the acceleration due to gravity on the surface?
A. It would double.
B. It would remain the same.
C. It would be halved.
D. It would increase by a factor of four.
Answer: It would double.