PhysicsVector QuantityNCTB পদার্থবিজ্ঞান অধ্যায় ২ (গতি)
Displacement
Bengali: সরণ•Pronunciation: ডিসপ্লেসমেন্ট•Symbol: \vec{s} \text{ বা } \Delta\vec{r}
Standard Definition:
The shortest straight-line vector directed from an object's initial position to its final position.
📐 Mathematical Equation, Units & Dimensions
Defining Mathematical Equation
Standard SI Unit
m (meter)($m$ (মিটার))
Dimensional Analysis
CGS Unit
cm (সেন্টিমিটার)
📖 Physical Concept & Comprehensive Explanation
Displacement is a vector quantity representing the shortest straight-line distance from start to finish along with its direction. Even if a particle traverses a winding path, its displacement depends exclusively on its initial and final boundary points.
🎯 High-Yield Revision Points
- ✓Displacement can be positive, negative, or zero.
- ✓Distance is scalar, whereas displacement is a vector.
- ✓A complete circular round trip results in zero net displacement.
Use Online Solver for Displacement
Compute step-by-step solutions, verify formulas, and plot interactive diagrams on biggan.me.
❓ Frequently Asked Exam Questions (FAQ)
Common questions in board and competitive entrance examinations
Q1: What is displacement? State its SI unit and dimension.
Displacement is the change in position of an object in a specific direction. Its SI unit is meter (m) and dimension is [L].
Q2: Can displacement be zero when distance travelled is non-zero?
Yes, if an object returns to its starting point after traversing any trajectory, its net displacement is zero while its distance is non-zero.