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# Unit 3-5 Engineering

### Unit 3-5 Engineering 3rd Nine Weeks Test study stack

What are the two types of friction? Static and Kinetic
What is the formula for torque? T=r*F
What is the formula for power? P=W/t
What is the formula for work? W=F*(Delta)x
What are the two loop systems? Open-loop and Closed-loop
What is an end effector? An end effector is anything attached to the end of a robotic arm which can effect change in the robot's physical environment.
how many degrees of freedom are ther if there is a x, y, and z axis? 6 degrees of freedom
What are some of the different types of sensors in unit 4? Bumper switch, ultrasonic rangefinder, line tracker, wheel encoder, limit switch, etc.
What is the difference between analog and digital. Analog has more than two values while digital has only two, 0 and 1 (on and off).
What happens if you push an object to the left of its center of mass? The object will spin on the z axis while also having some movement forward.
Created by: RobertZastrow

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