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Calculating Speed, Force, and Acceleration

My Physical Science Project/ Activity: teach users how to calculate speed, force, and acceleration.
by

Elaine Nguyen

on 23 October 2012

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Transcript of Calculating Speed, Force, and Acceleration

By Elaine Nguyen Section 8-2 Calculating Speed, Force,
and Acceleration A Review What is Speed? Step 1 Calculating Speed Step 1 Calculating Force What is Force? What is Acceleration? Speed is how fast it takes to get from point A to point B . Acceleration is the rate of which velocity changes. Calculating Acceleration pull Force is a push or a Speed is written as the distance an object travels per unit of time.
So we need to figure out how far the distance is and long it took to get there. For example, let's say Neville Longbottom ran 10 yards in 10 seconds.
The distance traveled would be 10 yards.
The time it took to travel would be 10 seconds. Step 2 Now that we know our time and distance, we have to divide them. Distance Time = 10 10 = 1 Neville's speed is 1 yard per second. You have to add up the forces given to see whether they add up or cancel out. Balanced forces cancel out and give a net force of zero which means the object won't move. Forces are usually measured in newtons.
You have to figure out how much one is forcing something to move in what direction. For example, Abbi and Neena blow a pencil at each other at the same time. Abbi makes the pencil go to the left with a force of 1 N. Neena makes the pencil go to the right with a force of 2 N. Step 2 Resulting Force 2N Right 1N Left Neena Abbi Resulting Force 1N Right Step 1 Acceleration = Final Velocity - Initial Velocity Time You have to find out the
Final Velocity
Initial Velocity
Time it took to travel a distance For example, Sydney drives a car for a constant speed of 10 miles per minute for 5 minutes. Sydney increases her speed to 28 miles per minute for a minute.
Her initial velocity is 10 mi/min.
Her final velocity is 28 mi/min.
The total time was 6 minutes. Step 2 Now, you have to plug in the numbers in the formula. Initial velocity is 10 mi/min.
Final velocity is 28 mi/min.
Total time was 6 minutes. Time V - V f i = (28)-(10) 6 min = 18 6 3 mi/min 2 = your answer must be
unit/time squared! If your acceleration is a negative number, then that means you are slowing down.
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