Chapter-3 Falling Objects and Projectile Motion

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Chapter-3Falling Objects and Projectile Motion
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Overview

• Explore how objects move under the influence of
  gravity close to the surface of the earth.

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Outline

• Acceleration due to gravity
• Falling object
• Projectile motion

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Why objects fall to the ground when released?
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How to observe the Acceleration Due to Gravity?
Galileos Method
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How to observe the Acceleration Due to Gravity?
Using a Stroboscope
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Q2
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Acceleration Due to Gravity
Slope g 9.8 m/s2.
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When you drop objects of different sizes and
weights, do they reach the ground at the same
time?
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When you drop objects of different sizes and
weights, do they reach the ground at the same
time?
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Falling Object
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Velocity and Distance for a falling object
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Spread Sheet (Excel)Calculations
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Velocity VERSUS Time graph
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Distance VERSUS Time graph
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Throwing up a ball
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Velocity and Distance
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Q16
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Velocity VS. Time graph
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A Cartoon Coyote Falling off a Cliff
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Horizontal and Vertical motions
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Q What determines the time of flight?
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Q What determines the time of flight?A
Vertical motion
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Q23
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Target Shooting
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Football in the air
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Angle for maximum Range
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CP1