PPT: Motion and Time | Science Class 7 PDF Download

 Page 1


MOTION AND
TIME
Page 2


MOTION AND
TIME
S P E E D
The distance covered
by an object in unit time
is called the speed of
the object.
Page 3


MOTION AND
TIME
S P E E D
The distance covered
by an object in unit time
is called the speed of
the object.
TYPES OF MOTION
UNIFORM MOTION
The distance is covered by
an object at a steady
speed.
NON-UNIFORM MOTION
If the speed of an object
moving along a straight line
keeps changing, then the
object is in non-uniform
motion.
Page 4


MOTION AND
TIME
S P E E D
The distance covered
by an object in unit time
is called the speed of
the object.
TYPES OF MOTION
UNIFORM MOTION
The distance is covered by
an object at a steady
speed.
NON-UNIFORM MOTION
If the speed of an object
moving along a straight line
keeps changing, then the
object is in non-uniform
motion.
TYPES OF MOTION
Page 5


MOTION AND
TIME
S P E E D
The distance covered
by an object in unit time
is called the speed of
the object.
TYPES OF MOTION
UNIFORM MOTION
The distance is covered by
an object at a steady
speed.
NON-UNIFORM MOTION
If the speed of an object
moving along a straight line
keeps changing, then the
object is in non-uniform
motion.
TYPES OF MOTION
UNITS OF SPEED
metre per second
(m/s)
kilometre per hour
(km/h)
centimetre per second
(cm/s)