Every aspect of basketball has some type of force working upon it. For example‚ without friction a basketball player would be unable to stop because inertia states that objects in motion tend to stay in motion. Without friction acting upon the player‚ there is no force to stop him‚ until he hits a wall that is. With this information you can come to the conclusion that without forces‚ there would be no game of basketball. However‚ what exactly is a force? Webster’s dictionary defines force as a push
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restoring force continually trying to restore it to its equilibrium position. For‚ the force exerted by an ideal spring obeys Hooke’s law. As an object in simple harmonic motion oscillates‚ its energy is repeatedly converted from potential energy to kinetic energy‚ and vice – versa. The content contained in sections 1‚ 2‚ 3‚ and 4 of chapter 10 of the textbook is included on the AP Physics B exam. QUICK REFERENCE Important Terms amplitude maximum displacement from equilibrium position;
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GPE to Kinetic energy. The car is at the peak. The energy transfers from Kinetic energy to GPE. The car starts to go down. The energy transfers again from GPE to Kinetic energy. There is no kinetic energy when the car is still at the bottom‚ as the energy has converted to GPE. The higher the lift‚ the more potential energy gained by the car. Not all the energy is converted or transferred as GPE and kinetic energy. Some of the energy is transferred as thermal energy and sound energy. Kinetic energy
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velocity. Also there is gravitational potential energy in the top of your backswing to cause you to pull the club downward. Kinetic energy is also in golf‚ During your backswing kinetic energy is causing your club to go up and in your downswing all of the potential energy is turned into kinetic energy before you hit the ball. Friction is also involved in golf because friction is the force of two objects rubbing against each other and when you hit the golf ball of the ground your club and the ball
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[5.5cm radius] - CD (2) [6cm radius] - Thin stick - Pulley - Tape 2. The shoebox and the poles were measured and marked at places for drilling. 3. Four holes were drilled on the shoebox with electric drill. (Larger than the axles to reduce friction from the cardboard on the axles) 4. A hole was drilled near the top of each pole. 5. The box was cut on the two sides and the poles were inserted and taped onto the cart. 6. The string was wrapped around the back axle. 7. A CD was attached on
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Heat‚ Kinetic Energy and Temperature SCI 110 02/01/2013 The study of heat relate to Kinetic theory of matter is that universe is made up of matter and energy. Matter is made up of atoms and molecules. Atoms and molecules are always in motion because energy. Energy forces them to contact into each other or vibrate back and forth. When this happens molecules and atoms
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exert energy which later will become kinetic energy when the object is dropped. A lift motor from a roller coaster exerts potential energy when lifting the train to the top of the hill. The higher the train is lifted by the motor the more potential energy is produced; thus‚ forming a greater amount if kinetic energy when the train is dropped. At the top of the hills the train has a huge amount of potential energy‚ but it has very little kinetic energy.
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Rides and rollercoasters Many theme park rides use the transfer of gravitational potential energy to kinetic energy and kinetic energy to gravitational potential energy. A rollercoaster A rollercoaster car converts GPE to KE when it rolls down the track As the pirate ship falls‚ GPE is transferred into KE. At the bottom of the swing it’s travelling at its highest speed. As it swings back up the other side it slows down as its KE is transferred back into GPE. Rollercoasters use these energy
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EXAM 1 NOTES The actual pressure at a given position is called the absolute pressure‚ and it is measured relative to absolute vacuum (i.e.‚ absolute zero pressure). Most pressure-measuring devices‚ however‚ are calibrated to read zero in the atmosphere (Fig. 3–2)‚ and so they indicate the difference between the absolute pressure and the local atmospheric pressure. This difference is called the gage pressure. Pgage = Pabs - Patm The pressure at a point in a fluid has the same magnitude in all
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[As you know‚ these laboratory sessions are compulsory course-work. You must attend them. Should you fail to attend either one you will be asked to complete some extra work. This will involve a detailed report and further questions. The simplest strategy is to do the lab.] Notes For the First Year Lecture Course: An Introduction to Fluid Mechanics School of Civil Engineering‚ University of Leeds. Homework: Example sheets: These will be given for each section of the course. Doing these
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