Newton's First Law
Easyphysics
A block of mass 2 kg is placed on a frictionless horizontal surface. If no external force acts on it, what can be said about its motion?
Select the correct option:
Solution
Incorrect! Answer:
It will continue in uniform motion
- Newton's First Law: States that every body continues in its state of rest or of uniform motion in a straight line unless it is compelled by some external force to change that state.
- Analysis:
- The surface is frictionless, so there is no resistive force.
- No other external forces are applied.
- Result: The net force ∑F=0.
- Conclusion: According to the Law of Inertia, the block will maintain its current velocity (uniform motion) forever.
🔒 Solution Hidden from View
Submit your answer to unlock the detailed step-by-step solution.
More newton's first law Practice Questions
About This Question
- Subject
- physics
- Chapter
- laws of motion
- Topic
- newton's first law
- Difficulty
- Easy
- Year
- 2025
Solution
Correct Answer:
It will continue in uniform motion
- Newton's First Law: States that every body continues in its state of rest or of uniform motion in a straight line unless it is compelled by some external force to change that state.
- Analysis:
- The surface is frictionless, so there is no resistive force.
- No other external forces are applied.
- Result: The net force ∑F=0.
- Conclusion: According to the Law of Inertia, the block will maintain its current velocity (uniform motion) forever.
This easy difficulty physics question is from the chapter laws of motion, covering the topic of newton's first law. It appeared in the 2025 exam.
Looking for more practice? Explore all physics questions or browse laws of motion questions on RankGuru.