Mechanical systems Questions well
answered already passed
What are the six simple machines? - correct answer ✔✔Lever, Inclined Plane, Wedge, Screw,
Pulley, Wheel and Axle
What is the purpose of a simple machine? - correct answer ✔✔To reduce the amount of force
needed to do work.
Give an example of a Class 1 lever. - correct answer ✔✔Seesaw
What is a Class 2 lever? - correct answer ✔✔A lever where the load is between the fulcrum and
effort (e.g., wheelbarrow).
What is a Class 3 lever? - correct answer ✔✔A lever where the effort is between the fulcrum
and the load (e.g., tweezers, hockey stick).
What is mechanical advantage (MA)? - correct answer ✔✔MA = Load Force ÷ Effort Force
What does a mechanical advantage greater than 1 mean? - correct answer ✔✔The machine
increases force.
What is work, and how is it calculated? - correct answer ✔✔Work = Force × Distance (measured
in joules)
What is input work? - correct answer ✔✔The energy you put into a machine.
answered already passed
What are the six simple machines? - correct answer ✔✔Lever, Inclined Plane, Wedge, Screw,
Pulley, Wheel and Axle
What is the purpose of a simple machine? - correct answer ✔✔To reduce the amount of force
needed to do work.
Give an example of a Class 1 lever. - correct answer ✔✔Seesaw
What is a Class 2 lever? - correct answer ✔✔A lever where the load is between the fulcrum and
effort (e.g., wheelbarrow).
What is a Class 3 lever? - correct answer ✔✔A lever where the effort is between the fulcrum
and the load (e.g., tweezers, hockey stick).
What is mechanical advantage (MA)? - correct answer ✔✔MA = Load Force ÷ Effort Force
What does a mechanical advantage greater than 1 mean? - correct answer ✔✔The machine
increases force.
What is work, and how is it calculated? - correct answer ✔✔Work = Force × Distance (measured
in joules)
What is input work? - correct answer ✔✔The energy you put into a machine.
