Main definitions from chapter Motion
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Derivation of all the three eq of motion vua graphical method, uniform accelerated motion,non uniform accelerated motion, circular motion,may be there is projectile motion also
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in the study of physics. This lesson walks through important terms and the laws of motion that guide the study of motion.
Motion and Terms
Motion is the process of something moving or changing place, or even just changing position.
There are a lot of factors involved every time something moves. There are fewer factors involved if an object moves at the same speed in a straight line. However, most movement involves changing the speed of the movement and changing directions. Here is a list of terms that go hand in hand with learning about motion:
Speed is how long it takes for an object to travel a certain distance. Its formula is distance divided by time, or d/t. A car's speed is often measured in how many miles it can travel in an hour. So the distance is miles and the time is hours (distance/time = Miles/Hour, or Miles per Hour, or mph).
Velocity and speed are very close and often mixed up. They both measure d/t. Velocity adds an extra step; it measures distance over time or speed in a given direction. So a car's speed could be 55 mph, but its velocity would be 55 mph in a northward direction.
Acceleration is when any part of an object's velocity changes. If the object speeds up or travels over a given distance in a shorter amount of time, then there is acceleration. There can also be acceleration if an object changes direction. So even if the car continues to travel at the speed of 55 mph but turns and heads in an eastward direction, it is still accelerating.
Force is any type of a push or pull. In order for an object to accelerate, it needs to have a force acted upon it. In other words, in order for an object to change speed or direction, it needs to be pushed or pulled.
Mass is the amount of matter that something is. It is usually measured in grams.
Motion and Terms
Motion is the process of something moving or changing place, or even just changing position.
There are a lot of factors involved every time something moves. There are fewer factors involved if an object moves at the same speed in a straight line. However, most movement involves changing the speed of the movement and changing directions. Here is a list of terms that go hand in hand with learning about motion:
Speed is how long it takes for an object to travel a certain distance. Its formula is distance divided by time, or d/t. A car's speed is often measured in how many miles it can travel in an hour. So the distance is miles and the time is hours (distance/time = Miles/Hour, or Miles per Hour, or mph).
Velocity and speed are very close and often mixed up. They both measure d/t. Velocity adds an extra step; it measures distance over time or speed in a given direction. So a car's speed could be 55 mph, but its velocity would be 55 mph in a northward direction.
Acceleration is when any part of an object's velocity changes. If the object speeds up or travels over a given distance in a shorter amount of time, then there is acceleration. There can also be acceleration if an object changes direction. So even if the car continues to travel at the speed of 55 mph but turns and heads in an eastward direction, it is still accelerating.
Force is any type of a push or pull. In order for an object to accelerate, it needs to have a force acted upon it. In other words, in order for an object to change speed or direction, it needs to be pushed or pulled.
Mass is the amount of matter that something is. It is usually measured in grams.
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