Motion Concepts
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Questions and Answers

গতি কীভাবে গণনা করা হয়?

  • ভেগকে দূরত্বের সহায়তায়
  • সময়কে গুণ করে
  • যাণ্ডার দূরত্বের সহায়তায়
  • ভেগ দ্বারা ভাগ করে (correct)
  • ডিস্ট্যান্স-টাইম গ্রাফে একটি সরল রেখার অঙ্কিত কী প্রকাশ করে?

  • বৃদ্ধি-মন্দন
  • বৃদ্ধির গতি
  • মন্দনকে
  • স্থিতিশীলতা (correct)
  • কিনেমেটিক্স শাখাটি কী জঙ্গানে সম্পর্কিত?

  • খেলাধুলার সাথে
  • বস্তুদের গতি (correct)
  • ফুটবলার গতি
  • পদার্থ দ্বারা সরণি
  • ভেগ কোনটির পরিমাণ নির্ধারণ করে?

    <p>দূরত্বভেগের</p> Signup and view all the answers

    একটি ভেগ-সময় গ্রাফে ভেগ সবসময় কোন দিকে অঙ্কিত করা হয়?

    <p>দ্রুততার দিকে</p> Signup and view all the answers

    দ্রুততা কোন একটি একক দিয়ে প্রকাশিত হয়?

    <p>মিটার / সেকেন্ড</p> Signup and view all the answers

    দূরত্ব-সময় গ্রাফে যে ধারা সাধারণ গতি নির্দেশ করে, সেটি কি?

    <p>সীমাহীন রেখা</p> Signup and view all the answers

    উক্ত ধারামতে কোন গতি পরিবর্তন নির্দেশ করে?

    <p>উপর তীরের শক্তিশালী রেখা</p> Signup and view all the answers

    সরণ-সময় গ্রাফে স্থির গতিপরিবর্তন প্রকাশ করে?

    <p>সীমাহীন রেখা</p> Signup and view all the answers

    সীমাহীন রেখা সময় ঢিলা প্রদর্শন করে?

    <p>একটি উবেগমূলক লাইন</p> Signup and view all the answers

    যদি একটি গ্রাফের প্রান্ত বাঁকিয়ে পড়ে, তবে গ্রাফটি কি প্রদর্শন করবে?

    <p>একটি বৃত্তাকার বাঁধা</p> Signup and view all the answers

    একটি গ্রাফের নলটি নেতিবকীয় হলে, গ্রাফটি কি প্রদর্শন করবে?

    <p>বৃত্তাকার বাঁধা</p> Signup and view all the answers

    Study Notes

    Motion

    Speed

    Speed is a measure of how fast an object is moving. It is calculated by dividing the distance traveled by the time taken to do so. The unit of speed is meters per second (m/s).

    Distance-Time Graphs

    Distance-time graphs are used to represent the motion of an object. They plot the distance traveled by an object against the time taken. A straight line on a distance-time graph represents a constant speed, while a curved line suggests that the object is accelerating or decelerating.

    Kinematics

    Kinematics is the branch of physics that deals with the motion of objects. It involves studying the relationship between an object's position, velocity, and acceleration. Kinematics equations are used to describe the motion of objects.

    Velocity

    Velocity is a measure of how quickly an object is moving in a particular direction. It is calculated by dividing the distance traveled by the time taken. The unit of velocity is meters per second (m/s).

    Acceleration

    Acceleration is the rate at which the velocity of an object changes. It is calculated by dividing the change in velocity by the time taken. The unit of acceleration is meters per second squared (m/s²).

    In a speed-time graph, speed is always plotted on the vertical axis, and time is always plotted on the horizontal axis. The gradient of the line on the graph represents the acceleration of the particle. The area under the speed-time graph represents the distance the particle travels.

    In a distance-time graph, a straight line represents constant speed, while a curved line suggests acceleration or deceleration. The area under the distance-time graph represents the distance traveled by the particle.

    In a velocity-time graph, a flat horizontal line represents a constant velocity, while a line with a non-zero slope indicates a changing velocity. The area under the velocity-time graph represents the distance traveled by the particle.

    In a distance-time graph for uniform motion, the graph is a straight line, as the distance covered is constant for equal time intervals. The slope of the line indicates the speed of the object.

    In a distance-time graph for uniformly accelerated motion, the graph is a parabolic curve, as the distance covered changes exponentially. The slope of the line indicates the acceleration of the object.

    In a velocity-time graph for uniform motion, the graph is a straight horizontal line, as the velocity is constant. If the graph has a non-zero slope, it indicates a changing velocity, which means the object is accelerating or decelerating.

    In a velocity-time graph for uniformly accelerated motion, the graph is a straight line, as the velocity changes at a constant rate. The slope of the line indicates the acceleration of the object.

    In a distance-time graph for a particle under constant acceleration, the graph is a parabolic curve, as the distance covered changes exponentially. The area under the curve represents the total distance traveled by the particle.

    In a velocity-time graph for a particle under constant acceleration, the graph is a straight line, as the velocity changes at a constant rate. The area under the curve represents the total distance traveled by the particle.

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    Test your knowledge on speed, distance-time graphs, kinematics, velocity, and acceleration in physics. Learn about how to interpret and analyze speed-time, distance-time, and velocity-time graphs.

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