Topic about types of motion

1. MEASUREMENT

2. MOTION
TYPES OF MOTION:
TRANSLATORY MOTION
1. RECTILINEAR MOTION
2.CURVILINEAR MOTION
ROTATIONAL MOTION
CIRCULAR MOTION
PERIODIC MOTION
OSCILLATORY MOTION

3. TRANSLATORY MOTION
• All parts of an object move
the same distance in a given
time

4. Rectilinear motion
• An object moves along a
straight line path

5. Curvilinear motion
• An object follows a curved
path while moving from one
point to another

6. HISTORICAL MEASUREMENT OF LENGTH

7. DISTANCE AND DISPLACEMENT

8. DIFFERENCE BETWEEN DISTANCE AND
DISPLACEMENT

9. UNIFORM MOTION
• If an object travels equal
distances in equal time
intervals, then its motion is
said to be uniform motion.

10. NONUNIFORM MOTION
• If unequal distances are
travelled by an object in equal
time intervals, then its motion
is said to be non-uniform.
• Non-uniform motion is also
known as accelerated motion.

11. BOTH UNIFORM AND NONUNIFORM
COMPARISON

12. HISTORICAL MEASUREMENT OF TIME
• The Egyptian sun clock
used the motion of the sun
from morning to night to cast
a shadow on a scale. This
was first used about four
thousand years ago.

13. • Sun dials have been used in
Europe for centuries. This
example is typical of many.
As the sun moves during the
day it casts a shadow. The
shadow falls on a scale
carved into the stone base.
This indicates the time. The
big disadvantage in Europe is
that the sun does not always
shine.
HISTORICAL MEASUREMENT OF TIME

14. • The Egyptians also used water
from the Nile as a method of
timing. The bowl had a small
hole in it and as it filled with
water a scale could be read,
indicating time.
HISTORICAL MEASUREMENT OF TIME

15. • The Chinese used the sun as a
method of telling the time. The
type shown below is based on
sundial found in the Forbidden
City in Beijing. it dates back at
least one thousand years.
HISTORICAL MEASUREMENT OF TIME

16. Rotational motion
• All parts of the object move in
circular paths about the fixed
axis

17. Circular motion
• An object moves along a
circular path around a fixed
point.

18. Periodic motion
• The motion of object
repeats itself after a fixed
intervel of time.

19. Oscillatory motion
• An object repeatedly moves
in a to and fro motion about
mean position