Marshmallows Away

Activity Sheet

Name ______________________ Period ________

Your catapult is a simple machine, a lever. In throwing a marshmallow your catapult is doing work. You must indentify the class of lever your catapult falls in. In this activity you will also be asked to calculate the work being done by your catapult and the mechanical advantage of your machine. To accomplish these tasks you will need to listen to the instructions given by your teacher.

My Catapult is a _____ Class Lever

MA = Effort arm length / Resistance arm length

Length of effort arm _________________ cm.

Length of resistance arm ______________ cm.

Mechanical Advantage ______________

Work = Force x Distance

Force ________ lbs. Distance _________ ft.

Force ________ N. Distance _________ m. Work _________ J