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# BJU Physical Sci. 4

### BJU Physical Science - Ch 4

The rate at which speed or velocity of a system increases in a given amount of time. acceleration
A scalar quantity that shows the linear dimension a object moved during a time interval. distance
A numeric amount that describes the total distance and direction of motion. It is shown graphically with a vector whose tail is the starting point and the tip is the end point. displacement
A system of reference points and coordinate axis from which the position and motion of an object can be determined. frame of reference
The span of time during which a phenomenon is observed. It is calculated by final time minus initial time. interval
The branch of mechanics that describes how things move. It includes measurements and calculations of velocity, acceleration, position, time, and displacement within a frame of reference. kinematics
The scientific study of motion and forces which includes kinematics, dynamics, and statics. mechanics
The metric unit of weight in kilogram meters per second per second. Newton
A study of a part of the universe separately from its surroundings by an boundary that is actual or imaginary. system
The rate at which an object changes position. speed
The rate at which an object changes position in a specified direction. velocity
Created by: heidio