14. What is the use of wedge as a simple machine? A. It is used to lift heavy objects. B. It is used to push, lift and pull things. C. It is used to join or fasten things together. D. It is used to separate two objects or portions through the application of force.
A wedge is a triangular shaped tool, and is a portable inclined plane, and one of the six simple machines. It can be used to separate two objects or portions of an object, lift up an object, or hold an object in place.
