Review Game Zone
Games
Test
Preview
Back
Match it!
Match it! Select the correct answer from the pull down...Good luck!
Using a ramp 6 m long, workers apply an effort force of 1,250 N to move a 2,00 N crate onto a platform 2 m high. What is the efficiency of the ramp?
time
1
efficiency
multiply energy
53%
Work input is less than work output.
the fulcrum is in between the effort and resistance forces
toward the adult
A machine that only changes the direction of a force has a mechanical advantage of _____
time
1
efficiency
multiply energy
53%
Work input is less than work output.
the fulcrum is in between the effort and resistance forces
toward the adult
Power is work done over _____
time
1
efficiency
multiply energy
53%
Work input is less than work output.
the fulcrum is in between the effort and resistance forces
toward the adult
The measure of how much work put into a machine is changed into useful work put out by the machine is _____
time
1
efficiency
multiply energy
53%
Work input is less than work output.
the fulcrum is in between the effort and resistance forces
toward the adult
In a first class lever
time
1
efficiency
multiply energy
53%
Work input is less than work output.
the fulcrum is in between the effort and resistance forces
toward the adult
In an ideal machine which of the following is true?
time
1
efficiency
multiply energy
53%
Work input is less than work output.
the fulcrum is in between the effort and resistance forces
toward the adult
An adult and a child are on a seesaw, when the fulcrum is in the middle the child can not move the adult. How should the fulcrum be moved so the two can seesaw?
time
1
efficiency
multiply energy
53%
Work input is less than work output.
the fulcrum is in between the effort and resistance forces
toward the adult
Which of these cannot be done by a machine?
time
1
efficiency
multiply energy
53%
Work input is less than work output.
the fulcrum is in between the effort and resistance forces
toward the adult
Check it!
Match it!
Match it!