(3) The length of the cross bar for high jump ism
​

the simple machine has three main features. they are:

fulcrum is the center point or pivot point of the machine. effort is input force/ applied force. load is external force/ output.

the keisha 's machine labels are

x : load

y: fulcrum

z: lever

double the distance = divide strength by 4

it has to be b, about 97 percent.

continuous conducting path for current, power supply