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14-08-2021, 23:10
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How to Calculate the Gravitational Potential Energy of an Object
Gravitational Potential Energy (GPE) is the energy of place or position. It depends on 3 things: the force of gravity (9.81), the mass of the object (in kilograms), and the height the object is off the ground (in meters). GPE can be changed to Kinetic Energy. The unit for GPE is joules (j).
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18-07-2021, 06:40
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How to Understand Classical Mechanics
Classical physics is the study of motion, projectiles, pulleys, and the planets. It mainly deals with the movement of large objects through space at a relatively low slow speeds. Classical physics deals with the mechanics of an object’s motion in response to a force. Because of this, classical physics is often referred to simply as mechanics or kinematics.
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12-07-2021, 06:50
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How to Calculate Mass
Mass is one of the fundamental properties of an object in Physics, and is a measurement of how much matter there is in something. Matter is any substance that you can touch — anything that takes up physical space and has volume. Often, mass is related to size, but this isn’t a perfect relationship, as objects like a large hot-air balloon often have less mass than a small boulder. To
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9-07-2021, 18:00
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How to Calculate Work
In physics, "work" has a different definition than it does in everyday speech. Specifically, the term "work" is used when a physical force causes an object to move. In general, if a strong force causes an object to move very far, a lot of work is done, and if the force is small or the object doesn't move very far, only a little work is done. Force can be calculated with the formula Work
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20-06-2021, 14:30
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How to Calculate Instantaneous Velocity
Velocity is defined as the speed of an object in a given direction. In many common situations, to find velocity, we use the equation v = s/t, where v equals velocity, s equals the total displacement from the object's starting position, and t equals the time elapsed. However, this technically only gives the object's average velocity over its path. Using calculus, it's possible to
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8-05-2021, 10:10
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How to Calculate Torque
You likely know that if you push or pull on an object (exert force), it will move a distance. The distance it moves depends on how heavy the object is and how much force you apply. However, if the object is fixed at some point (called the "rotational point" or "axis"), and you push or pull on the object at some distance from that point, the object will instead rotate around that axis.
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10-04-2021, 05:20
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How to Calculate Acceleration
If you’ve ever watched a bright red Ferrari fly ahead of your Honda Civic after a stoplight, you’ve experienced differing rates of acceleration firsthand. Acceleration is the rate of change in the velocity of an object as it moves. You can calculate this rate of acceleration, measured in meters per second, based on the time it takes you to go from one velocity to another, or based on
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10-03-2021, 18:20
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How to Find Normal Force
Normal force is the amount of force required to counteract the other forces in any given scenario. The best way to go about finding it depends on the circumstances of the object and the variables you have data for. Keep reading to learn more.
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27-02-2021, 01:40
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The escape velocity is the velocity necessary for an object to overcome the gravitational pull of the planet that object is on. For example, a rocket going into space needs to reach the escape velocity in order to make it off Earth and get into space.
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12-02-2021, 14:10
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How to Calculate Velocity
Velocity is an object's speed in a particular direction. Mathematically, velocity is often described as the change in position over the change in time. This fundamental concept shows up in many basic physics problems. Which formula you use depends on what you know about the object, so read carefully to make sure you've chosen the right one.