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GenSci-Translational-Motion the same as it

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GENERAL SCIENCE PHYSICS
GAME Let’s Play!
TRUE OR FALSE? Distance is how much ground an object has covered, regardless of direction. TRUE
TRUE OR FALSE? Displacement measures how far and in what direction an object is from its start point. TRUE
TRUE OR FALSE? Speed is a vector because it tells you how fast and in which direction something moves. FALSE
TRUE OR FALSE? The SI unit for both distance and displacement is the meter (m). TRUE
TRUE OR FALSE? Average acceleration in one-dimensional motion equals total displacement divided by the elapsed time. FALSE
TRUE OR FALSE? If the net force on an object is zero, it will either stay at rest or move at constant velocity. TRUE
TRUE OR FALSE? Displacement is the rate at which an object’s velocity changes over time. FALSE
TRUE OR FALSE? Newton’s second law can be written as F = ma, which relates net force, mass, and acceleration. TRUE
TRUE OR FALSE? In uniform circular motion, although speed is constant, the velocity is changing because direction keeps changing. TRUE
TRUE OR FALSE? Centripetal acceleration in circular motion points away from the center of the circle. FALSE
DEMONSTRATION  ROLLING A BALL  PUSHING A BOX
- What do you observe on the ball? - On the box?
MOTION Motion – refers to the action or process of changing place or position. It describes how objects move including their speed, direction and acceleration. It is the change with time of the position or orientation of a body
2 TYPES OF MOTION 1. Translational Motion 2. Rotational Motion
Translational Motion Translational motion – refers to the movement of an object from one point to another in a straight / curve line. It involves analyzing activities like jumps and falls using equations to calculate distances, heights, and velocities.
Distance vs. Displacement Distance – total length of the path traveled. Displacement – the change in position from start to finish, including direction.
EXAMPLES: An object moves along the grid through points A, B, C, D, E, and F as shown. The side of square tiles measures 0.5 km. a) Calculate the distance covered by the moving object.
Speed and Velocity Speed – the rate of change of distance (distance/time) Velocity – the rate of change of displacement (displacement/time)
EXAMPLES: 1. A car travels 100 meters in 10 seconds. What is its average speed? 2. A person walks 50 meters east, then 30 meters west. The entire trip takes 20 seconds. What is the average velocity?
Acceleration Acceleration – the rate of change of velocity (velocity/time) ҉ Acceleration can be positive (speeding up), negative (slowing down), or zero (constant velocity).
EXAMPLES: 1. A car accelerates from rest to 20 m/s in 5 seconds. What is the acceleration? 2. A train is traveling at 30 m/s, and the brakes are applied, causing it to decelerate at a rate of 2 m/s². How long does it take for the train to stop?
RECAPITULATION