Force and Motion 5.1 Vocabulary - Understanding Velocity and Acceleration

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Dive into the world of force and motion with this vocabulary set focused on key concepts such as speed, average speed, instantaneous speed, constant speed, velocity, and acceleration. Explore the relationship between velocity and acceleration as you learn about the rate at which objects move, change direction, and the forces that drive motion.

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Force and Motion 5.1 Vocabulary Week 1 You will need 9 cards

S8P3a Determine the relationship between velocity and acceleration.

Speed The speed of an object is the distance the object travels per unit of time. the rate at which someone or something moves or travels

Average Speed The speed of most moving objects is not constant. Speed of an object may change based on the terrain on which it travels. To calculate average speed, divide the total distance traveled by the total time. Example of average speed: 45km/3h = 15 km/h

Instantaneous Speed The Rate at which an object is moving at a given instant in time. Example: The speedometer of a car reveals information about the instantaneous speed of your car. It shows your speed at a particular instant in time. On the average, your car was moving with a speed of 25 miles per hour. https://www.khanacademy.org/science/physics/one-dimensional- motion/displacement-velocity-time/v/instantaneous-speed-and- velocity

Constant Speed Speed that does not change; it stays constant. https://www.youtube.com/watch?v=_DtDCBHEM1k

Velocity Speed in a given direction. The rate at which an object changes its position. Ex. If you know the velocity of a storm if you know it is moving 25mph eastward.

Velocity Continued The equation or formula for velocity is similar to speed. To figure out velocity, you divide the distance by the time it takes to travel that same distance, then you add your direction to it.

Acceleration The rate at which velocity changes. A change in velocity can involve a change in speed or direction, or both. In science it refers to increasing speed, decreasing speed, or changing direction.

Force Using energy to do work. Examples: Pushing or pulling.

Motion An object is in motion if its distance from another object is changing. https://www.youtube.com/watch?v=LEs9J2IQIZY

Displacement * How far out of place an object is; it is the object's overall change in position. An object's change in position considering its starting position and final position.