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Motion and measurement of distances
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Motion and Measurement of Distances
Precautions while measuring a line segment
Precautions
1. Keep the ruler exactly along the length to be measured.
2. Do not use worn out portions of the instrument. Very often, the markings at the ends of a ruler get erased due to overuse. In this case, use another full mark on the ruler instead of a zero mark. To get the length, subtract the reading of this full mark from the reading at the other end.
3. Keep your eye vertically above the point where the measurement is to be taken.
Motion
Motion is the change in position of an object with respect to its surroundings in a given interval of time.
Motion
Types of Motion
Translatory Motion
Periodic Motion
Rotational Motion
Rectilinear Motion
Circular Motion
Types of Motion
https://www.youtube.com/watch?v=8qh--3X6E5w
https://www.youtube.com/watch?v=7J_Pi4Xuk7Y
Identify the types of motion
c
b
a
Exercise
d
f
e