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Physics Project 01 by Khryzia Montalbo


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Physics Project 01 by Khryzia Montalbo

  1. 1. By: Khryzia Beatrize P. Montalbo
  2. 2. Aristotle generalized the common sense notion that an object cannot undergo motion without something that causes it to move as it does. Galileo reasoned that an object will continue to move with constant velocity if no external force acts to affect this motion. *Their works were focused on the description of motion, while Newton’s study of motion was centered on the force that causes the different states of motion of an object.
  3. 3. Scalar quantity – has magnitude (a number and a unit of measure) only Vector quantity – has magnitude and direction *The resultant vector represents the sum of two or more vectors. MEASUREMENTS and Vectors Measurement is the process of comparing a quantity with a chosen standard. Accuracy is the closeness of the value to the exact value. Precision is the closeness of two measurements to each other. Base Units - also known as fundamental units Derived Units - obtained from the combination of fundamental properties
  4. 4. KINEMATICS DESCRIBES QUANTITATIVELY HOW A BODY MOVES THROUGH SPACE. DYNAMICS ACCOUNTS FOR THE OBSERVED MOTION IN TERMS OF FORCES, ETC. MOTION CONTINUOUS CHANGE OF POSITION WITH RESPECT TO A REFERENCE POINT Distance – total length covered Displacement – length from starting to final point Speed – distance traveled by an object in a given time Velocity – rate of change of displacement Acceleration – rate of change in velocity
  5. 5. PROJECTILE MOTION -is a combination of vertical and horizontal motions that are completely independent of each other -is the motion of a body with a constant acceleration GIF Source: Physics Classroom
  6. 6. Air is a source of friction (air resistance). Too much air resistance is a hindrance to moving fast. The amount of air resistance depends on the size and shape of the object and on its velocity. Balanced Forces – equal forces that act on an object in opposite directions, no acceleration, 0 net force; constant velocity or at rest Unbalanced Forces – if one of the forces is greater that the other, may cause an object to start moving, change speed, stop moving, or change direction. Example Images from Physics Classroom
  7. 7. 4 Fundamental Forces 1.Gravitational Force 2.Electromagnetic Force 3.Strong Nuclear Force 4.Weak Nuclear Force Torque = F x d┴
  8. 8. Newton’s Laws of Motion First Law: Law of Inertia Inertia – tendency of an object to persist in its state of rest or uniform motion in a straight line * An object in motion continues to be in motion while an object at rest remains at rest unless acted upon by an external force. * GIF Source: Physics Classroom GIF Source:
  9. 9. Second Law: Law of Acceleration Acceleration ∝ Net Force W= mg * A net force acting on a body produces an acceleration which is in the direction of the force. This acceleration is directly proportional to the force, and inversely proportional to the mass of the body. * Image Source:
  10. 10. Third Law: Law of Interaction Action Reaction * For every force applied to a body, there is an equal and opposite force given back to the body. These two forces do not balance each other because these are not exerted on the same body. * Image Source: Physics Classroom Image Source: -END-