ES-160 Wedges |
Wedges are simple machines used to raise heavy objects. For instance... |
- coefficient of friction between wall and block - coefficient of friction between wedge and block - coefficient of friction between wedge and floor | If the following coefficients of friction are used... |
...the FBD for the block is as shown here... |
The two normal forces may be found from force equilibrium equations. The FBD for the wedge is... |
The magnitude of N_{2} is equal in magnitude to that found from the equations for the block and opposite in direction (Newton's Third Law). Force equations may be used to determine the minimum force P to move the block. |