Acceleration Defining Acceleration Acceleration the rate at which
![Acceleration Acceleration](https://slidetodoc.com/presentation_image/27bbaa58d1dc4b63780ad599e797aef6/image-1.jpg)
![Defining Acceleration • Acceleration = the rate at which velocity changes. • To accelerate Defining Acceleration • Acceleration = the rate at which velocity changes. • To accelerate](https://slidetodoc.com/presentation_image/27bbaa58d1dc4b63780ad599e797aef6/image-2.jpg)
![Calculating Acceleration = final velocity – starting velocity time it takes to change velocity Calculating Acceleration = final velocity – starting velocity time it takes to change velocity](https://slidetodoc.com/presentation_image/27bbaa58d1dc4b63780ad599e797aef6/image-3.jpg)
![Math Break 1. A plane passes over Point A with a velocity of 8, Math Break 1. A plane passes over Point A with a velocity of 8,](https://slidetodoc.com/presentation_image/27bbaa58d1dc4b63780ad599e797aef6/image-4.jpg)
![Examples of Acceleration Positive Acceleration – acceleration in which velocity increases. Negative Acceleration or Examples of Acceleration Positive Acceleration – acceleration in which velocity increases. Negative Acceleration or](https://slidetodoc.com/presentation_image/27bbaa58d1dc4b63780ad599e797aef6/image-5.jpg)
![Practice Chart Example of Acceleration How Velocity Changes A plane taking off A car Practice Chart Example of Acceleration How Velocity Changes A plane taking off A car](https://slidetodoc.com/presentation_image/27bbaa58d1dc4b63780ad599e797aef6/image-6.jpg)
![Circular Motion • An object traveling in a circular motion is always changing its Circular Motion • An object traveling in a circular motion is always changing its](https://slidetodoc.com/presentation_image/27bbaa58d1dc4b63780ad599e797aef6/image-7.jpg)
![Acceleration Due to Gravity • The mass of an object does not affect the Acceleration Due to Gravity • The mass of an object does not affect the](https://slidetodoc.com/presentation_image/27bbaa58d1dc4b63780ad599e797aef6/image-8.jpg)
![Acceleration at a Constant Rate • All objects accelerate toward Earth at a rate Acceleration at a Constant Rate • All objects accelerate toward Earth at a rate](https://slidetodoc.com/presentation_image/27bbaa58d1dc4b63780ad599e797aef6/image-9.jpg)
![Math Break Change in Velocity = gravity (g) x seconds (t) A penny at Math Break Change in Velocity = gravity (g) x seconds (t) A penny at](https://slidetodoc.com/presentation_image/27bbaa58d1dc4b63780ad599e797aef6/image-10.jpg)
- Slides: 10
![Acceleration Acceleration](https://slidetodoc.com/presentation_image/27bbaa58d1dc4b63780ad599e797aef6/image-1.jpg)
Acceleration
![Defining Acceleration Acceleration the rate at which velocity changes To accelerate Defining Acceleration • Acceleration = the rate at which velocity changes. • To accelerate](https://slidetodoc.com/presentation_image/27bbaa58d1dc4b63780ad599e797aef6/image-2.jpg)
Defining Acceleration • Acceleration = the rate at which velocity changes. • To accelerate means to change velocity. • Acceleration is not just how much velocity changes. It is also how fast velocity changes. The faster velocity changes, the greater the acceleration is.
![Calculating Acceleration final velocity starting velocity time it takes to change velocity Calculating Acceleration = final velocity – starting velocity time it takes to change velocity](https://slidetodoc.com/presentation_image/27bbaa58d1dc4b63780ad599e797aef6/image-3.jpg)
Calculating Acceleration = final velocity – starting velocity time it takes to change velocity SI units for acceleration is (m/s/s) Suppose you get on your skateboard and accelerate southward at a rate of 1 m/s/s. This means that every second, your southward velocity increases by 1 m/s.
![Math Break 1 A plane passes over Point A with a velocity of 8 Math Break 1. A plane passes over Point A with a velocity of 8,](https://slidetodoc.com/presentation_image/27bbaa58d1dc4b63780ad599e797aef6/image-4.jpg)
Math Break 1. A plane passes over Point A with a velocity of 8, 000 m/s north. Forty seconds later it passes over Point B at a velocity of 10, 000 m/s north. What is the plane’s acceleration from A to B? 2. A coconut falls from the top of a tree and reaches a velocity of 19. 6 m/s when it hits the ground. It takes 2 seconds to reach the ground. What is the coconut’s acceleration?
![Examples of Acceleration Positive Acceleration acceleration in which velocity increases Negative Acceleration or Examples of Acceleration Positive Acceleration – acceleration in which velocity increases. Negative Acceleration or](https://slidetodoc.com/presentation_image/27bbaa58d1dc4b63780ad599e797aef6/image-5.jpg)
Examples of Acceleration Positive Acceleration – acceleration in which velocity increases. Negative Acceleration or deceleration – acceleration in which velocity decreases. ** Remember that velocity has direction, so velocity will change if your direction changes. Therefore, a change in direction is acceleration, even if there is no change in speed.
![Practice Chart Example of Acceleration How Velocity Changes A plane taking off A car Practice Chart Example of Acceleration How Velocity Changes A plane taking off A car](https://slidetodoc.com/presentation_image/27bbaa58d1dc4b63780ad599e797aef6/image-6.jpg)
Practice Chart Example of Acceleration How Velocity Changes A plane taking off A car stopping at a stop sign Jogging on a winding trail Driving around a corner Standing at Earth’s equator
![Circular Motion An object traveling in a circular motion is always changing its Circular Motion • An object traveling in a circular motion is always changing its](https://slidetodoc.com/presentation_image/27bbaa58d1dc4b63780ad599e797aef6/image-7.jpg)
Circular Motion • An object traveling in a circular motion is always changing its direction. • Change in direction = change in velocity, which means that acceleration is occurring. • Centripetal acceleration = the acceleration that occurs in circular motion
![Acceleration Due to Gravity The mass of an object does not affect the Acceleration Due to Gravity • The mass of an object does not affect the](https://slidetodoc.com/presentation_image/27bbaa58d1dc4b63780ad599e797aef6/image-8.jpg)
Acceleration Due to Gravity • The mass of an object does not affect the rate at which it falls. • With a larger mass you have a greater force between the object and Earth, but with a smaller mass it takes less force that needs to be applied to create the same rate of acceleration.
![Acceleration at a Constant Rate All objects accelerate toward Earth at a rate Acceleration at a Constant Rate • All objects accelerate toward Earth at a rate](https://slidetodoc.com/presentation_image/27bbaa58d1dc4b63780ad599e797aef6/image-9.jpg)
Acceleration at a Constant Rate • All objects accelerate toward Earth at a rate of 9. 8 meters per second, which is expressed as 9. 8 m/s/s. • For every second that an object falls, the object’s downward velocity increases by 9. 8 m/s. ** Remember that this acceleration is the same for all objects regardless of their mass.
![Math Break Change in Velocity gravity g x seconds t A penny at Math Break Change in Velocity = gravity (g) x seconds (t) A penny at](https://slidetodoc.com/presentation_image/27bbaa58d1dc4b63780ad599e797aef6/image-10.jpg)
Math Break Change in Velocity = gravity (g) x seconds (t) A penny at rest is dropped from the top of a tall stairwell. 1. What is the penny’s velocity after it has fallen for 2 seconds? 2. The penny hits the ground in 4. 5 seconds. What is its final velocity?
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