After she’s finished cooking Emily measures the mass of the dough balls. According to the law of conservation of mass, the mass of the dough bars should be equal to

The weight of the dough bars after being cooked.

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

a skateboard rolling across the street - apex