Basic of Projectiles

1. What is Projectile
Dr. Madhuri P. Sadgir
Assistant Professor,
Department of Physical Education,
university of Mumbai
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Dr.MadhuriP.Sadgir

2. A projectile is an object that is moving
through the air unassisted only gravity
force (9.81 ms2) acting upon it
What is Projectile
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Dr.MadhuriP.Sadgir

3. An object must be dropped from a height, thrown vertically upwards
or thrown at angle to be considered a projectile,
There three factors affects projectile
1. Angle of Projection
2. Projection Velocity
3. Relative Height of Projection
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Dr.MadhuriP.Sadgir

4. Kinds of Objects ....
Example 1 : Football
Example 2 : Player
Example 3 : Javelin4
Dr.MadhuriP.Sadgir

5. List of Objects from Different Sports
Game Objects Game Objects
Volleyball Ball High Jump Players
Discuss Throw Discuss Long Jump Player
Javelin Throw Javelin Pole vault Players
Shot put Shot Hammer throw Hammer
Basketball Ball Lawn Tennis Ball
Hockey Ball Table Tennis Ball
Rugby Ball Badminton Shuttlecock
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6. motion take
place in
presence of
gravitation
Force
Constant Gravitation Force act on object (g)
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7. Let’s Understand Projectile
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8. Projectile Y
X
๏ Two dimensional plane
(x and y Axes)
๏ Vertical axes (Y)
measures height and
horizontal axes (X)
measures distance
travel by the object
O
๏ In order to analyse projection, it is divided into two
components, horizontal motion and vertical motion
๏ Perpendicular components of projection is
independent
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Dr.MadhuriP.Sadgir

9. Projectile Y
X
Theses two velocity doesn’t interact
as velocity is vector quantity
๏ Object projected with initial
force and at certain angle
๏ The angle for vertical axes
and horizontal axes is
different and they can be
read as,
๏ Angle (vertical (u sin 0) =
uY
๏ Angle horizontal (u cos 0)
= uX
(vertical (u sin 0)
= uY
horizontal (u
cos 0) = uX
O
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Dr.MadhuriP.Sadgir

10. Horizontal motion of an object
has no external forces acting
upon it.
Due to this absence of horizontal
forces, a projectile remains in
motion with a constant horizontal
velocity, covering equal distances
over equal periods in time. Thus
no horizontal acceleration is
occurring.
The degree of vertical velocity however,
is reduced by the effect of gravity.
Force of gravity acts on the initial
vertical velocity of the javelin, reducing
the velocity until it equals zero.
A vertical velocity of zero represents
the apex of the trajectory, meaning that
the projectile has reached its max
height. During the downward flight of
the projectile, vertical velocity increases
due to the effect of gravity.
Horizontal Velocity Vertical Velocity
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Dr.MadhuriP.Sadgir

11. there are no forces acting in the horizontal
direction. Thus, as there is no acceleration, this
means that the initial horizontal velocity and the
final horizontal velocity are the same.
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Dr.MadhuriP.Sadgir

12. Y
X
H
Range
๏ Range mean the
displacement of the object
๏ Height means the
maximum height
obtained by the object
during projection
Projectile
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Dr.MadhuriP.Sadgir

13. Y
X
H
Range
๏ Height of
release
means the
height
from the
surface on
vertical
axes
Projectile
O
O
O
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14. Types of Projections
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15. Projectiles are ...
Y
X
Y
X
Ground to ground
projection
Oblique projection projection from
Height
Y
X
Incline
Ground to height
projection
Height to ground
projection15
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16. Examples from Sports
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17. Ground to Ground Projection
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18. Oblique projection
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19. Projection from Height to Ground
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20. Projection from Height
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21. Projection from Ground to Height
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22. Inclined
Projection
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23. Football Kick
Y
X
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24. (vertical (u sin 0) =
uY
horizontal (u cos 0) =
uX
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25. (vertical (u sin 0) =
uY
horizontal (u cos 0) =
uX
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Dr.MadhuriP.Sadgir

26. If projectiles are launched at the same speed, but at different
angles, the height and range is of the projectile are affected
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Dr.MadhuriP.Sadgir

27. Objectives of projectiles in Different Sports
Game Objective Game Objects
Volleyball
Accurate Pass, coordination and
conversion in shots, goals etc.
High Jump To cover maximum height
Basketball Pole vault
Football
Hockey High Jump Players
Discuss Throw
To cover maximum distance
Long Jump Player
Javelin Throw Pole vault Players
Shot put Hammer throw Hammer
Hammer Throw Lawn Tennis Ball
Long Jump Table Tennis Ball
Rugby Badminton Shuttlecock
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28. Thank You
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