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Kinematics 1D - Lecture 1 | Class 11 | Unacademy JEE | LIVE DAILY | IIT JEE Physics | Namo Kaul Video Lecture

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FAQs on Kinematics 1D - Lecture 1 - Class 11 - Unacademy JEE - LIVE DAILY - IIT JEE Physics - Namo Kaul Video Lecture

1. What is Kinematics?

Ans. Kinematics is the branch of physics that deals with the motion of objects without considering the causes of motion. It involves studying the concepts of displacement, velocity, and acceleration to describe the motion of objects in one dimension.

2. What are the key concepts in 1D kinematics?

Ans. The key concepts in 1D kinematics are displacement, velocity, and acceleration. Displacement is the change in position of an object and is a vector quantity. Velocity is the rate of change of displacement and is also a vector quantity. Acceleration is the rate of change of velocity and can be either positive (speeding up) or negative (slowing down).

3. How can we calculate displacement in 1D kinematics?

Ans. Displacement in 1D kinematics can be calculated by taking the difference between the final position and the initial position of an object. It is given by the formula: Displacement = Final Position - Initial Position.

4. How is velocity related to displacement in 1D kinematics?

Ans. Velocity in 1D kinematics is directly related to displacement. It is the rate of change of displacement and is given by the formula: Velocity = Displacement / Time. The direction of the velocity vector is the same as the direction of displacement.

5. What is the relationship between acceleration and velocity in 1D kinematics?

Ans. Acceleration in 1D kinematics is the rate of change of velocity. It is given by the formula: Acceleration = Change in Velocity / Time. If the acceleration and velocity have the same sign, the object is speeding up. If they have opposite signs, the object is slowing down. If the acceleration is constant, the velocity can be calculated using the formula: Final Velocity = Initial Velocity + (Acceleration x Time).

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