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Why is biology divided into the physical and applied branches?

Why is biology divided into the physical and applied branches? In biology, living organisms, including their structure, function, growth, reproduction, classification, origin, and evolution are discussed. Biology also teaches how to use this knowledge to improve human life. To discuss this knowledge in detail, biology has been divided into two branches. one is physical biology in which theoretical concepts are discussed, and the other is applied biology in which the way of using theoretical knowledge is discussed. Actually, for learning and using knowledge easily and effectively, biology is divided into these two parts.

Motion

Physics

Chapter - 2: Motion

👉 All Chapter Contents 👈 

  • 2.1 Rest and Motion
  • 2.2 Different Types of Motion
  • 2.3 Scalar and Vector quantities
  • 2.4 Distance and Displacement
  • 2.5 Speed and Velocity
  • 2.6 Acceleration and Deceleration or Retardation
  • 2.7 Equation of Motion
  • 2.8 Laws of Falling Bodies


Question Bank

2.1 Rest and Motion

  • What is rest?
  • What is motion?
  • What is a position?
  • What is a reference point?
  • What do you understand by reference frame?
  • All the rests and motion of the universe are relative, no motion is absolute, no absolute rest - explain.

2.2 Different Types of Motion

  • What is linear motion?
  • What is circular motion?
  • What is translational motion?
  • What is periodic motion?
  • What is oscillatory motion?
  • What is simple harmonic motion?
  • Explain all oscillatory motions are periodic motions but all periodic motions are not oscillatory motions.

2.3 Scalar and Vector Quantities

  • What is quantity?
  • What is the normal body temperature?
  • What is a scalar quantity?
  • What is a vector quantity?
  • Write the difference between scalar quantities and vector quantities.
  • Work is a scalar quantity - explain.
  • Explain the intensity of electricity as a vector quantity.

2.4 Distance and Displacement

  • What is distance?
  • What is displacement?
  • The movement does not depend on the direction of the object - explain.
  • What do you mean by the movement of an object is 60 m southward.

2.5 Speed and Velocity

  • What is speed?
  • What is the unit of speed?
  • What is the dimension of speed?
  • What is average speed?
  • What is instantaneous speed?
  • What do you understand by the speed of a car is 45 km/h?
  • What is velocity?
  • What is the unit of velocity?
  • What is the dimension of velocity?
  • What is average velocity?
  • What is uniform velocity?
  • What is unequal velocity?
  • When can the velocity of an object be zero?
  • Write the difference between speed and velocity.

2.6 Acceleration and Deceleration or Retardation

  • What is acceleration?
  • What is the unit of acceleration?
  • What is the dimension of acceleration?
  • What is uniform acceleration?
  • What is unequal acceleration?
  • Acceleration due to gravity is called uniform acceleration - explain.
  • What is deceleration or retardation?
  • Gravitational acceleration is called uniform acceleration - explain.

2.7 Equation of Motion

  • Write all the equation of motion.
Mathematical Problems:
  • Will be added...

2.8 Laws of Falling Bodies

  • What is gravity?
  • What is gravitation?
  • What is acceleration due to gravity?
  • What is falling body?
  • Write the laws of falling bodies.
  • What is the first law of falling bodies? Explain.
  • What is the second law of falling bodies? Explain.
  • What is the third law of falling bodies? Explain.
Mathematical Problems:
  • Will be added here....


Secondary Physics



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