Question Index

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• When the vibrating object moves backwards, it creates a region of low pressure called —————-
  When the vibrating object moves backwards, it creates a region of low pressure called —————-
• If the displacement is perpendicular to the force, then the work done is ————.
  If the displacement is perpendicular to the force, then the work done is ————.
• State true or false: The object must be displaced for the work to be done.
  State true or false: The object must be displaced for the work to be done.
• When two identical bodies are in motion, the body with a higher velocity has ————.
  When two identical bodies are in motion, the body with a higher velocity has ————.
• What are the various factors affecting kinetic energy?
  What are the various factors affecting kinetic energy?
• The energy used in one hour at the rate of 1 kW is known as ————.
  The energy used in one hour at the rate of 1 kW is known as ————.
• 1 kilowatt =
  1 kilowatt =
• The sum of kinetic energy and potential energy is ————
  The sum of kinetic energy and potential energy is ————
• Objects in motion possess energy and can do work; this energy is called ————
  Objects in motion possess energy and can do work; this energy is called ————
• If a force acting on a body causes no displacement, the work done is ————
  If a force acting on a body causes no displacement, the work done is ————
• The formula to find the work done is
  The formula to find the work done is
• Which of the following is an irrational number?
  Which of the following is an irrational number?
• The gravitational force between two bodies does not depend on:
  The gravitational force between two bodies does not depend on:
• What holds the Earth’s atmosphere?
  What holds the Earth’s atmosphere?
• What is the value of the acceleration due to gravity on the surface of the Earth?
  What is the value of the acceleration due to gravity on the surface of the Earth?
• The weight of an object on the Moon’s surface is:
  The weight of an object on the Moon’s surface is:
• Which of the following is true when a mango falls from a mango tree?
  Which of the following is true when a mango falls from a mango tree?
• Which of the following factors does the acceleration due to gravity on the Earth depend upon?
  Which of the following factors does the acceleration due to gravity on the Earth depend upon?
• The Earth’s atmosphere is held by the:
  The Earth’s atmosphere is held by the:
• The law of gravitation describes the gravitational force between:
  The law of gravitation describes the gravitational force between: