Study

Simple machines

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  • We need __________ joule of work to move a 200 N box for 2 m.
    400 J
  • What is the mechanical advantage of this pulley
    2
  • what is the mechanical advantage of simple machine with 200 N load and 50 N effort?
    4
  • Force that moves an object is called as
    work
  • Guess the simple machine
    inclined plane
  • How much effort do we need to move 300 N load by using wheel and axle (radius of wheel and axle are 60 cm and 6 cm)
    30 N
  • what is the force that we need to move 200 N box with moveable pulley
    100 N
  • Name the types of simple machine that can be used for lifting a box from downstairs to upstairs
    pulley
  • A board 6 m long is leaned against a car to form an inclined plane. What is the height of the car if the mechanical advantage of the inclined plane is 3?
    2 m
  • Name the types of simple machine that can be used for cutting down a tree
    inclined plane
  • if we push 1500 cm box by doing 600 joules of work, how much force did we use?
    40 N
  • Name the types of simple machine that can be used for opening a bottle using bottle opener
    lever
  • What is the formula of work?
    W = F x d
  • What is the length of effort arm?
    100 cm
  • What is the definition of simple machine?
    tools that makes work easier
  • 200 N box moved with 3000 Joule of work. How far the box was moved?
    3000/200 = 15 m
  • Guess the type of lever
    2nd class
  • Guess the type of lever
    3rd class