Chapter 3
Motion Along a Straight Line
위치와 변위
The position of an object defines its location relative to a convenient frame of reference at any particular time. A frame of reference is an arbitrary ...
평균 속도
To calculate the other physical quantities in kinematics, we must introduce the time variable. The time variable allows us not only to state the position ...
순간 속도 - I
The average velocity during a time interval cannot tell us how fast or in what direction a particle is moving at any given time during the interval. To ...
순시 속도 - II
Instantaneous velocity is the quantity that measures how fast an object is moving along its path. In other words, the instantaneous velocity of an object ...
평균 가속
The importance of understanding acceleration spans our day-to-day experiences, as well as the vast reaches of outer space and the tiny world of subatomic ...
순간 가속
Acceleration is in the direction of the change in velocity, but it is not always in the direction of motion. When an object slows down, its acceleration ...
운동학 방정식 - I
When an object moves with constant acceleration, the velocity of the object changes at a constant rate throughout the motion. The kinematic equations of ...
운동학 방정식 - II
The second kinematic equation expresses the final position of an object in terms of its initial position, the distance traveled with the initial constant ...
운동학 방정식 - III
The first two kinematic equations have time as a variable, but the third kinematic equation is independent of time. This equation expresses final velocity ...
Kinematic Equations: 문제 해결
When analyzing one-dimensional motion with constant acceleration, the problem-solving strategy involves identifying the known quantities and choosing the ...
자유 낙하하는 물체: 소개
All objects, neglecting air resistance, fall with the same acceleration towards the Earth's center due to the force exerted by the Earth's ...
자유낙하하는 물체: 예시
An object falling without any air resistance under the influence of gravitational force is said to be in free-fall. For free-falling bodies, the ...
그래픽 방법에 의한 속도와 위치
Velocity and position can be calculated from the known function of acceleration as a function of time. The total area under the acceleration-time graph ...
Integral Method에 의한 속도와 위치
If acceleration as a function of time is known, then velocity and position functions can be derived using integral calculus. For constant acceleration, ...
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