University:
Texas A&M University
Course:
PHYS 201 | College Physics
Academic year:

2019
Views:

381

Pages:

1
Author:

salcignofi13

Levers Answer Key 1. Draw a diagram of a first, second, and first class lever in the boxes below. Then color the load one color, the force another color, and the fulcrum a third color. Fill in the key below with your color choices. Load First Class Lever Force Second Class Lever Fulcrum Third Class Lever 2. Fill in the blank: Possible Answers: Fulcrum, Load, Effort, Up, Down, Easier, Harder, First, Second, Third a) The __Fulcrum___ is the point where the lever pivots, or turns. b) If the effort acts on the edge of a lever, and in the opposite direction of the weight of the load, the lever is a ____First____ class lever. c) The force applied to a lever to make it move is the ____Effort____. d) The __Load____ is the weight acting on the lever. e) In a first class lever, an effort that acts down will move the load __Up____. f) In a __Third___ class lever, the effort acts in between the fulcrum and the load. g) In second and third class levers, an effort acting up moves the object __Up_____. h) Using a lever makes it __Easier___ to move loads. i) In a ____Second_____ class lever, the load is in the middle of the fulcrum and effort.