Gravitational Field Intensity
The gravitational field intensity at a point is 5 N/kg. What force will a 2 kg mass experience at that point?
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About This Question
- Subject
- physics
- Chapter
- gravitation
- Topic
- gravitational field intensity
- Difficulty
- Easy
- Year
- 2025
Solution
Correct Answer:
10 N
- Intensity Definition: Field intensity (E) is the force per unit test mass (m) at a point.
- Formula: E=mF.
- Invert Formula: Force F=m×E.
- Calculation:
- F=2 kg×5 N/kg=10 N.
- Identity: At the surface of Earth, gravitational intensity is numerically equal to acceleration due to gravity (g≈9.8 m/s2).
This easy difficulty physics question is from the chapter gravitation, covering the topic of gravitational field intensity. It appeared in the 2025 exam.
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