Which book has kinetic energy?
o a book on a teacher's table
o a book in a student's locker
o a book lying on a shelf in the library
a book falling from a backpack

A book falling from a backpack

Explanation:

Kinetic Energy is when something has motion energy

explanation:

a fuel engine ( known as a gasoline engine in american english )is an internal combustion engine with spark ignition, designed to run on petrol (gasoline) and similar volatile fuels.

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