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speed and velocity speed distance traveled d , s = , time elapsed t units are m/s or mph or km/hr or... speed s and distance d are both always positive quantities, by definition. velocity = speed + direction of motion Things that have both a magnitude and a direction are called vectors. More on vectors in Ch.3.
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Physics Intro & Kinematics Physics Intro & Kinematics Quantities•Velocity Units•Acceleration Vectors•Kinematics Displacement•Graphing Motion in 1-D Mass vs. Weight Mass Scalar (no direction) Measures the amount of matter in an object Weight Vector (points toward center of Earth) Force of gravity on an object
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- What Is Motion?
- Types of Motion
- Examples of Motion
- Watch The Video and Learn About Projectile Motion on Inclined Plane
We can define motion as the change of position of an object with respect to time. A book falling off a table, water flowing from the tap, rattling windows, etc., all exhibit motion. Even the air that we breathe exhibits motion! Everything in the universe moves. We live in a universe that is in continual motion. The fundamental particle of matter, t...
We might have noticed that different objects move differently. Some objects move in a curved path, some in a straight path and a few others in a different way. According to the nature of the movement, motion is classified into three types as follows: 1. Linear Motion 2. Rotary Motion 3. Oscillatory Motion
Now let us understand motion clearly with the help of a few examples. 1. Our daily activities, like walking, running, closing the door, etc. involve motion. There is a change of position of the object involved in these activities. 2. The flow of air in and out of our lungs is also an example of motion. 3. The automobiles that carry passengers from ...
Stay tuned with BYJU’S to learn more about other Physics concepts with the help of interesting video lessons.
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The Calculus of Motion The Special Case of Constant Acceleration We are trying to answer the question, “What do objects do?” That is, we want to thoroughly describe motion in terms of position, displacement, velocity and acceleration and we have carefully defined these ideas.
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Newton's Laws: Forces and Motion A force is a push or a pull. A force is a vector : it has a magnitude and a direction. Forces add like vectors, not like scalars. Example: Two forces, labeled F 1 and F 2, are both acting on the same object. The forces have the same magnitude F F F 12 oand are 90 apart in direction: F F F F F
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