Show:
Figure it Out!
Which Formula
Machines!
Random
100
You exert a force of 5 N into a nutcracker, and it outputs a force of 20 N, the mechanical advantage of the nutcracker is ______.
What is 4
100
Force multiplied by distance is the formula for _____.
What is work?
100
The two types of machines that turn are ______ and ______.
What is wheel and axle and pulley?
100
Divide output work by input work and multiply by 100% to find a machine's _______.
What is efficiency?
200
For work to be done on an object the must move some _______ as a result of a _______.
What is distance; force
200
The mechanical advantage of a machine is the number of times a machine increases the ______ ______ exerted on the machine.
What is effort force?
200
A flat sloped surface that allows you to exert your force a longer distance.
What is an inclined plane
200
The fixed point that a lever pivots around
What is a fulcrum?
300
If you exert a force of 20 newtons to push a desk 10 meters, how much work do you do on the desk?
What is 200 joules
300
machine's mechanical advantage is ______ force _____ by _______ force.
What is resistance force divided by effort force?
300
A rigid bar that is free to pivot, or rotate, on a fixed point is a _______.
What is a lever?
300
If you lift a box from the floor to a height of 1 m and then carry the box for 10 m, you do work only when you _____ the box.
What is lift the box?