cart on difference incline angle lab.docx - Twiness Xu Per.2 Acceleration and Incline Angle Lab Report Purpose Investigating the acceleration of a car

# cart on difference incline angle lab.docx - Twiness Xu...

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Twiness Xu Per.2 Acceleration and Incline Angle Lab Report Purpose: Investigating the acceleration of a car on different inclines, to see how the incline angle will affect the acceleration of the car. Material: Track, cart, photogate, 3 books, ruler, calculator, notebook, picket fence, computer. Abstract: The main purpose of this lab is to identify how the inclination affects the acceleration of a cart. This experiment was carried out by executing three different trials on three different angles respectively. This was done by releasing the cart with a picket fence on the track rolling through the photogate. The position was caught by the photogate and both the acceleration and velocity were then calculated by Logger Pro on the computer. This lab is to understand the relationship between the car’s acceleration and the incline angle of the track which the car is on. Illustration: FBD (Free Body Diagram):
Twiness Xu Per.2 Procedures/Methods - The cart was placed on a fairly smooth track. - The photogate was attached to the track to detect the position of the cart over time. - The laser on the photogate was 2 cm apart from the front of the cart for every trial while the only variability is the incline angle. - Books were used to adjust the incline angle, and were ensured to be located at the same place for each trial to limit the variability. Each book has approximately the same height. - Both the end and the head of the track contacted at the same level,the distance will be the height that was measured from the bottom-end of the track . The length of the track was indicated on the increment, which will be the hypotenuse. - The angle between the track and the table which is the incline angle, was calculated using the trig function for each set of trials. (sinθ=opposite/Hypotenuse) - The cart with picket fence with ten “pickets” facing down was rolled on the track for each trail. - Photogate was connected to the computer and the position-vs-time data was collected simultaneously when the cart went through the photogate. - Velocity was calculated based on the position-vs-time data on the computer.

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