Simple machine. Simple machine, any of several devices with few or no moving parts that are used to modify motion and force in order to perform work. The simple machines are the inclined plane, lever, wedge, wheel and axle, pulley, and screw. simple machinesSix simple machines for transforming energy into work.
A) the final velocity = 66/9 m/s. b) The total momentum before and after collision is the same because energy is destroyed or made. Thanks brainly. <span />
