5th Class Science Work, Force, Energy and Simple Machines Question Bank

done Work force and Energy Total Questions - 30

• question_answer1)
  Bottle opener is an example of
  A)
   An inclined plane           done clear
  B)
   First class lever    done clear
  C)
          2nd class lever done clear
  D)
   3rd class lever done clear
  View Solution play_arrow

• question_answer2)
  Pick the odd one out.
  A)
   Friction                         done clear
  B)
   Weight           done clear
  C)
          Energy    done clear
  D)
   Air resistance done clear
  View Solution play_arrow

• question_answer3)
  A simple machine
  A)
   Improves the movement only              done clear
  B)
   Do more work with less effort? done clear
  C)
   Changes the direction of forces in all situation done clear
  D)
   All of these done clear
  View Solution play_arrow

• question_answer4)
  Movement of water in ocean due to heating can be shown by the model of
  A)
   Boiling salt water till it begins to evaporate done clear
  B)
   Mixing of fresh water (coloured red) in a large pan. done clear
  C)
   Cooling of water until it freezes and then observing it as it thaws. done clear
  D)
   Pouring heated coloured water into one end of a large pan of cool water done clear
  View Solution play_arrow

• question_answer5)
  Stapler belongs to which class of lever
  A)
   Class I lever                  done clear
  B)
   Class II lever      done clear
  C)
          Class III lever done clear
  D)
          Inclined plane done clear
  View Solution play_arrow

• question_answer6)
  A ramp is a good example of
  A)
   A lever            done clear
  B)
   A wedge     done clear
  C)
          A screw                        done clear
  D)
   An inclined plane done clear
  View Solution play_arrow

• question_answer7)
  A dry comb after combing the hairs is brought near the tiny pieces of paper, what happens?
  A)
   The paper pieces will get repelled due to magnetic force done clear
  B)
   The paper pieces will get repelled due to electrostatic force done clear
  C)
   The paper pieces will get attracted and stick with comb due to electrostatic force done clear
  D)
   The paper pieces will get attracted to comb due to friction force done clear
  View Solution play_arrow

• question_answer8)
  Which of the following form of energy is required to boil the water?
  A)
   Electric energy               done clear
  B)
   Heat energy   done clear
  C)
          Mechanical energy         done clear
  D)
   All of these done clear
  View Solution play_arrow

• question_answer9)
  (i) Scissors (ii) bottle opener (iii) nail cutter, (iv) forceps. Which of the followings are example of levers.
  A)
           (i) and (iv)                  done clear
  B)
   (ii) and (iv) done clear
  C)
          (i), (ii) and (iii)            done clear
  D)
   (i), (ii), (iii), (iv) done clear
  View Solution play_arrow

• question_answer10)
  In wheel barrow, which two simple machine mechanism is utilized to make the work easier.
  A)
   An inclined plane and a pulley.             done clear
  B)
   A wheel and axle and wedge done clear
  C)
   Gears and wheels.                         done clear
  D)
   A wheel and axle and lever done clear
  View Solution play_arrow

• question_answer11)
  The diagram shows the path of a ball when      kicked at point P and return to the ground again at S.Tell the point at which the ball has the maximum potential energy.
  A)
  P                                  done clear
  B)
   Q   done clear
  C)
         R                                  done clear
  D)
   S done clear
  View Solution play_arrow

• question_answer12)
  Consider the following statements

  Statement I: Work is done when book is pushed across the table.

  Statement II: Work is done when a heavy wall is pulled.

  Which of the following is correct about the statements?
  A)
   Statement I is true and II is false      done clear
  B)
   Statement I is false and II is true done clear
  C)
   Both the statements are true                 done clear
  D)
  Both the statements are false done clear
  View Solution play_arrow

• question_answer13)
                                                                          Which of the following form of energy is required to move the wheeled trolley?
  A)
   Mechanical                   done clear
  B)
   Electrical         done clear
  C)
          Solar                            done clear
  D)
   Heat done clear
  View Solution play_arrow

• question_answer14)
  While pulling the sledge in snow, which type of force comes in action?
  A)
   Heat               done clear
  B)
   Pressure          done clear
  C)
          Friction    done clear
  D)
   Energy done clear
  View Solution play_arrow

• question_answer15)
  When a ball is thrown in the air upward it comes down after some time, because of
  A)
           magnetic force               done clear
  B)
   gravitational force done clear
  C)
          frictional force   done clear
  D)
   divine force done clear
  View Solution play_arrow

• question_answer16)
  A sea-saw is an example of
  A)
   Screw                           done clear
  B)
   First class lever done clear
  C)
          Second class lever          done clear
  D)
   Third class lever done clear
  View Solution play_arrow

• question_answer17)
  What is the unit of measurement of energy?
  A)
   Joule    done clear
  B)
   Newton          done clear
  C)
          Kilowatt                        done clear
  D)
   None of these done clear
  View Solution play_arrow

• question_answer18)
  Which of the following activities involves the use of lever

  (i) Using your arm to lift a hand bag

  (ii) Using scissor to cut clothes

  (iii) Using a wheel barrow to transfer tool

  A)
   (i) and (ii) only               done clear
  B)
   (i) and (iii) only done clear
  C)
          (ii) and (iii) only             done clear
  D)
   All of these done clear
  View Solution play_arrow

• question_answer19)
  The lid of a jar is which kind of simple machine
  A)
   Ramp               done clear
  B)
   Pulley           done clear
  C)
          Screw       done clear
  D)
   Wedge done clear
  View Solution play_arrow

• question_answer20)
  Regarding lever, select the correct statement from the given below

  (i) In beam balance, fulcrum is in the middle

  (ii) A nutcracker is an example of third class lever

  (iii) In tongs the, the fulcrum and the load are at two ends

  (iv) Sea-saw is an example of first class lever

  A)
           (i), (iii) and (iv) done clear
  B)
   (ii) only done clear
  C)
          (iii) and (iv)                   done clear
  D)
   (i) and (ii) done clear
  View Solution play_arrow

• question_answer21)
  While loading of boxes on trucks ramp is used. The surface of the ramp is made smoother because, there would be less     
  A)
   mass in box                               done clear
  B)
          gravity pulling on the box done clear
  C)
          Friction opposing the box     done clear
  D)
   distance to push the box done clear
  View Solution play_arrow

• question_answer22)
  In removing a nail from a wooden block using a hammer with nail remover, the effort, load and fulcrum positions can be shown as
  A)

  P	Q	R
  Load	Effort	Fulcrum

  done clear
  B)

  P	Q	R
  Load	Fulcrum	Effort

  done clear
  C)

  P	Q	R
  Fulcrum	Load	Effort

  done clear
  D)

  P	Q	R
  Effort	Fulcrum	Load

  done clear
  View Solution play_arrow

• question_answer23)
  Fulcrum is a
  A)
           pushing force                            done clear
  B)
   Pulling force done clear
  C)
          the fixed point of a lever   done clear
  D)
   An object done clear
  View Solution play_arrow

• question_answer24)
  A ship is heavier than an iron nail, but floats on the water surface, while nail sinks, because
  A)
   iron nail is thin and ship has large surface area done clear
  B)
   iron nail is small and ship is big done clear
  C)
   the ship has to save the life of many people done clear
  D)
   The weight of ship becomes equal to the weight of water it displaces done clear
  View Solution play_arrow

• question_answer25)
  What is an effort in lever action?
  A)
   The fixed point of the bar                 done clear
  B)
   The object that is removed done clear
  C)
   The force applied to move the load          done clear
  D)
   None of these done clear
  View Solution play_arrow

• question_answer26)
  The head of an axe is wide at one end and pointed at the other end to help in cutting of wood. Here the head of the axe is an example of
  A)
   an inclined plane            done clear
  B)
   a pulley done clear
  C)
          a wheel and axle            done clear
  D)
   a wedge done clear
  View Solution play_arrow

• question_answer27)
  What are the different simple machines used in the fishing rod?
  A)
   Pulley and inclined plane                 done clear
  B)
   Pulley and wheel and axle done clear
  C)
   Wheel and axle and lever      done clear
  D)
   Lever and inclined plane done clear
  View Solution play_arrow

• question_answer28)
  A hammer is being used as a lever to pull a     nail out of piece of wood which of the following statement is false?
  A)
   Lever can change the direction of force done clear
  B)
   Load is nearer to the fulcrum than the effort done clear
  C)
   Pulling action is change to the vertical lifting action on nail done clear
  D)
   Larger force is used using hammer than simple removal directly done clear
  View Solution play_arrow

• question_answer29)
  In a pair of scissors, identify the fulcrum, effort and load
  A)
   K - Effort, L - Load, M - Fulcrum          done clear
  B)
   K - Load, L - Effort, M - Fulcrum done clear
  C)
   K - Effort - L - Fulcrum, M - Load     done clear
  D)
   K - Fulcrum - L - Load - M -Effort done clear
  View Solution play_arrow

• question_answer30)
  A ball is rolled on from the hill top with four labeled portion as P, Q, R, and S, which portion it will have its maximum kinetic energy.
  A)
  P                                  done clear
  B)
   Q             done clear
  C)
         R                                  done clear
  D)
   S done clear
  View Solution play_arrow