Question

what is motion?
what is vector?
what is scalar?
what is odometer?
what is distance?
what is displacement?
difference between distance and displacement?​

Answer 1

Explanation:

1- Motion, in physics, change with time of the position or orientation of a body. ... Motion that changes the orientation of a body is called rotation. In both cases all points in the body have the same velocity (directed speed) and the same acceleration (time rate of change of velocity).

2- 1.

MATHEMATICS

a measurement or a quantity that has both size and direction

एक माप या मात्रा (जिसका आकार और दिशा दोनों होते हैं); सदिश, वेक्‍टर

2.

MEDICAL

an insect, etc. that carries a particular disease from one living thing to another

संक्रमण-क्रिया से किसी विशेष रोग का वाहक कीड़ा आदि, रोगवाहक कीट आदि

3- (used about a measurement or a quantity) having size but no direction

(माप या मात्रा) आकारमय परंतु दिशारहित; अदिश

4- an instrument for measuring the distance travelled by a wheeled vehicle

5- Distance is a numerical measurement of how far apart objects or points are. In physics or everyday usage, distance may refer to a physical length or an estimation based on other criteria. The distance from a point A to a point B is sometimes denoted as |AB|

6- In geometry and mechanics, a displacement is a vector whose length is the shortest distance from the initial to the final position of a point P undergoing motion

7- Distance is a scalar quantity that refers to "how much ground an object has covered" during its motion. Displacement is a vector quantity that refers to "how far out of place an object is"; it is the object's overall change in position.

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Answer 2

1. Motion is change in the position of the object with respect to its surrounding.
2. Those quantities which have both magnitude and direction are called as vectors.
3. Those quantities which have only magnitude are called as scalars.
4. The device which records distance travelled by vehicle is called as odometer
5. Distance is the total path covered by an object.
6. Displacement is the shortest distance covered by an object from initial to the final position.
7. Distance:

• It has only magnitude.
• It is scalar quantity.
• Distance is always positive.
• Distance is total path covered by an object.

Displacement

• It has both magnitude and direction.
• It is a vector quantity.
• Displacement may be zero or positive.
• Displacement is shortest distance from initial and final position.