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Indian Navy SSR Work and Energy — practice questions — page 2

Explore 47 free Work and Energy questions in Indian Navy SSR Physics. Open each question or exercise to read its content, reference answers and available explanation.

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Work and Energy questions and exercises with answers

Showing questions 31–47 of 47.

Tap every test for a conservative forceRead the answer and worked solution →Order the reasoning: from work to speedRead the answer and worked solution →Flip and pair: term with meaningRead the answer and worked solution →Spot the one that does not belongRead the answer and worked solution →True or false: energy bookkeepingRead the answer and worked solution →Speeds up, slows down, or neither?Read the answer and worked solution →Applying the work-energy theoremRead the answer and worked solution →True or false: potential energyRead the answer and worked solution →Kinetic or potential?Read the answer and worked solution →Tap every statement true of a closed pathRead the answer and worked solution →Spot the one that does not belongRead the answer and worked solution →Assertion and reason: energyRead the answer and worked solution →Complete the potential energy relationRead the answer and worked solution →Flip and pair: quantity with what it tracksRead the answer and worked solution →Two are true, one is notRead the answer and worked solution →Order the reasoning: why a pendulum keeps swingingRead the answer and worked solution →Conservative or not, in practiceRead the answer and worked solution →

Worked practice questions

Tap every test for a conservative force

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Questions
  1. Items
    1. Text
      Work is independent of the path
      Matches the category
      Yes
    2. Text
      Work depends only on the end points
      Matches the category
      Yes
    3. Text
      Work is zero round any closed path
      Matches the category
      Yes
    4. Text
      Work is always positive
      Matches the category
      No
    5. Text
      Work grows with the length of the route
      Matches the category
      No
    Category
    A test for a CONSERVATIVE force
Two equivalent tests, given in the chapter. Source: syllabus Physics, Ch 5 Work, Energy and Power.

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Order the reasoning: from work to speed

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Steps
  1. Identify every force acting on the body
  2. Combine them into the net force
  3. Compute the work that net force does
  4. That work equals the change in kinetic energy
  5. From the new kinetic energy, read off the new speed
The theorem used as a tool. Source: syllabus Physics, Ch 5 Work, Energy and Power.

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Flip and pair: term with meaning

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Matching pairs
  1. A
    Work-energy theorem
    B
    net work equals change in kinetic energy
  2. A
    Conservative force
    B
    work is path-independent
  3. A
    Closed path
    B
    returns to the starting point
  4. A
    Potential energy
    B
    defined for a conservative force
The chapter's vocabulary. Source: syllabus Physics, Ch 5 Work, Energy and Power.

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