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Simple machines

Quiz by Jill Ungaro

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13 questions
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  • Q1
    How can you increase the efficiency of an inclined plane?
    increase its friction
    leave the friction the same
    reduce its friction
    30s
  • Q2
    How many inclined planes can a wedge have?
    any number
    1
    0
    30s
  • Q3
    What is the main difference between a wedge and an inclined plane?
    no difference
    an incline plane moves but a wedge does not
    a wedge moves but an incline plane does not move
    30s
  • Q4
    what are the two jobs of a screw?
    make objects fall
    lift or fasten objects
    30s
  • Q5
    Do machines reduce work?
    yes
    no
    30s
  • Q6
    A wheel barrow is an example of which class of lever?
    1st
    3rd
    2nd
    30s
  • Q7
    A fishing pole is an example of which class of lever?
    2nd
    1st
    3rd
    30s
  • Q8
    The claw of a hammer is used as which class of lever?
    2nd
    3rd
    1st
    30s
  • Q9
    What is the mechanical advantage of single fixed pulley?
    1
    2
    30s
  • Q10
    What is the mechanical advantage of a single movable pulley?
    2
    1
    30s
  • Q11
    Length of Incline divided but the height of the incline is the formula of the mechanical advantage for which simple machine?
    wheel and axle
    inclined plane
    lever
    30s
  • Q12
    The diameter of a wheel divided by the diameter of an axle is the formula for the mechanical advantage of
    inclined plane
    wheel and axle
    lever
    30s
  • Q13
    The effort distance divided by the resistance distance is he formula for the mechanical advantage of
    wheel and axle
    lever
    inclined plane
    30s

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