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  1. The branch of physics dealing with motion and forces. The word's origin can be traced back to the ancient Greek words for machine, μηχανή ( mekhane ), a clever device for doing work; and mechanic, μηχανικός ( mekhanikos ), a person skilled with machines.

  2. Physics is the study of energy and matter in space and time and how they are related to each other. Physicists assume the existence of mass, length, time and electric current and then define (give the meaning of) all other physical quantities in terms of these basic units.

  3. Newton's Laws of Motion There was this fellow in England named Sir Isaac Newton. A little bit stuffy, bad hair, but quite an intelligent guy. He worked on developing calculus and physics at the same time. During his work, he came up with the three basic ideas that are applied to the physics of most motion (NOT modern physics).

  4. Basketball Physics. We know that projectile motion is a type of two-dimensional motion or motion in a plane. It is assumed that the only force acting on a projectile (the object experiencing projectile motion) is the force due to gravity. But how can we define projectile motion in the real world?

  5. Projectile motion is the motion of an object through the air that is subject only to the acceleration of gravity. To solve projectile motion problems, perform the following steps: 1. Determine a coordinate system. Then, resolve the position and/or velocity of the object in the horizontal and vertical components.

  6. Analysing Linear Motion. Linear motion is motion in a straight line. Non-linear motion is motion that is not in a straight line. When analysing linear and non-linear motion, distance, displacement, speed, velocity, acceleration and deceleration are some commonly encountered physical quantities. Terms Used To Define Motion Distance and Displacement

  7. Typically, we define the positive vertical direction as upwards, and the positive horizontal direction is usually the direction of the object’s motion. When this is the case, the vertical acceleration, g g size 12{g} {} , takes a negative value (since it is directed downwards towards the Earth).

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