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• Examples of motion in one dimension: – Displacement, velocity, acceleration, free fall, and …. In a straight line. • An example of motion in two dimension (x and y axis) is projectile motion. • An example of a three dimensional motion (x, y and z axis) is motion of a bird or an insect since it is flying in space. 12 CMPE department-TIU
Instantaneous acceleration of the proton at t = 3s. P6: A rocket is launched vertically from the ground with an initial velocity of 80m/s. It ascends. with a constant acceleration of 4 m/s2 to an altitude of 10 km. Its motors then fail, and the. rocket continues upward as a free fall particle and then falls back down.
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Motion in Two Dimensions Vector review A vector quantity can be represented as an arrow pointing in a direction. It has magnitude and direction. Examples: displacement, velocity, force. A scalar quantity has magnitude but no direction. Examples: distance, speed, mass, temperature. Addition of vectors A and B R = A + B (= B + A)
Many of our present understandings are grounded on these three principles. Newton's laws of motion are the laws of inertia, force and acceleration, and action and reaction. These three laws connect the concepts of force, physical objects, and the resulting motion. They also help explain more complex ideas and theories in physics.
He accidentally runs over an innocent moose crossing the road, so he slows to a stop to check on the poor moose. He pauses for a while until he determines the moose is squashed flat and deader than a doornail. Fleeing the scene of the crime, Schmedrick takes off again in the same direction, speeding up quickly.
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32. A tug-of-war that results in one team pulling the other across the line is an example of ___ forces 33. 1. An object in motion at a constant velocity will change its motion only if a(n) __ force acts on it. 34. The law that states that for every action force there is an equal and opposite reaction force is ____ 35.
Physics Motion Worksheet Part I 1. An object goes from one point in space to another. After it arrives at its destination (a) its displacement is the same as its distance traveled. (b) its displacement is always greater than its distance traveled. (c) its displacement is always smaller than its distance traveled.
