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# Tutor profile: Michael O.

Michael O.
Civil Engineer in Training at Aecon

## Questions

### Subject:Numerical Analysis

TutorMe
Question:

What is the bisection method used for?

Michael O.
Answer:

The bisection method is used to find the roots of a continuous function. One finds two values which when the function is evaluated will return two different signs. The method involves repeatedly bisecting the interval until the root (or an approximate root) is found.

### Subject:Civil Engineering

TutorMe
Question:

What does GIS stand for and what is an example of a GIS?

Michael O.
Answer:

GIS stands for geographic information system, and it is a system used to store, manipulate, capture, analyze, manage, and present spatial data. These systems allow users to study spatial data and relationships between objects on the surface of the Earth. Google Maps is an example of a geographic information system.

### Subject:Physics

TutorMe
Question:

What is a free body diagram?

Michael O.
Answer:

A free body diagram is a graphical representation of various forces being exerted on an object, giving both their direction and magnitude. Some example forces include the force of gravity, the normal force, frictional forces, and applied forces.

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