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MS. M. MOHANAMALAR, M.SC.,
M.PHIL.,
MS. N. MALATHI, M.SC.,
DYNAMICS (18UMTC41)
II B.Sc. Mathematics (SF)
Any object that continues in motion by its own inertia and is
influenced only by the downward force of gravity (and air
resistance)
- an object dropped from rest is a projectile
- an object thrown straight upward is a projectile
- an object thrown upward at an angle to the horizontal
Projectile Motion Combines Vertical Motion
and Horizontal Motion
Two Fundamental Principles
- The horizontal acceleration is zero since horizontal
velocity remains constant throughout the motion.
- The vertical acceleration is subject to the acceleration
due to gravity g verically downwards.
Projectile Motion Combines Vertical Motion and
Horizontal Motion
• The vertical motion of a projectile is not affected by its
horizontal motion
-The vertical motion of a projectile is identical
to an object in free fall
• The horizontal motion of a projectile is not affected by
its vertical motion
- the projectile will travel the same horizontal
distance as it would if it were simply rolling on a flat
surface in the absence of friction
Projectile Motion
Projectile Motion and
Complementary Angles
• Different launch angles result in different horizontal distances
(Range) traveled by the projectile
– Same range is obtained from two different launching angles
when the angles add up to 90°.
• Object launched at an angle of 60 has the same range
as if it were thrown at an angle of 30.
Dynamics (18 umtc41)
Dynamics (18 umtc41)
Dynamics (18 umtc41)

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Dynamics (18 umtc41)

  • 1. MS. M. MOHANAMALAR, M.SC., M.PHIL., MS. N. MALATHI, M.SC., DYNAMICS (18UMTC41) II B.Sc. Mathematics (SF)
  • 2. Any object that continues in motion by its own inertia and is influenced only by the downward force of gravity (and air resistance) - an object dropped from rest is a projectile - an object thrown straight upward is a projectile - an object thrown upward at an angle to the horizontal
  • 3.
  • 4. Projectile Motion Combines Vertical Motion and Horizontal Motion Two Fundamental Principles - The horizontal acceleration is zero since horizontal velocity remains constant throughout the motion. - The vertical acceleration is subject to the acceleration due to gravity g verically downwards.
  • 5. Projectile Motion Combines Vertical Motion and Horizontal Motion • The vertical motion of a projectile is not affected by its horizontal motion -The vertical motion of a projectile is identical to an object in free fall • The horizontal motion of a projectile is not affected by its vertical motion - the projectile will travel the same horizontal distance as it would if it were simply rolling on a flat surface in the absence of friction
  • 7.
  • 8.
  • 9.
  • 10.
  • 11.
  • 12. Projectile Motion and Complementary Angles • Different launch angles result in different horizontal distances (Range) traveled by the projectile – Same range is obtained from two different launching angles when the angles add up to 90°. • Object launched at an angle of 60 has the same range as if it were thrown at an angle of 30.