VEX Unit 10 Lifting Mechanisms 10

A _________ refers to a robot’s ability to move in a single independent direction of motion.

• Range of Motion

• Degree of Freedom

• Linear Path

• Axis of Rotation

A _______ load is the name for an instantaneous spike of loading on a mechanical system.

• Impact

• Acceleration

• Compression

• Shock

The ratio of output force to the input force applied to a mechanism is _____.

• Mechanical advantage

• Torque

• Moment

• Power

What is the factor of safety of a 100 lb robot lifting a 15 lb force and it was designed to handle 20 lbs.?

• 0.75

• 1.33

• 5.0

• 6.67

What type of gearing is typically used on a linear slide?

• Helical

• Worm

• Bevel

• Rack and Pinion

Which of the following is not a type of degree of freedom?

• Twisting

• Linear movement

• Rotation

• Bending

If an input force is applied to a link on a linkage, it is called the _____ link.

• Fixed

• Input

• Driven

• Control

What is the most important consideration when designing a lifting mechanism?

• Object orientation

• Size Limitations

• Elevation required

• Complexity

What is it called when a designer adds elastic tubing to a lifting mechanism to lift the load?

• Load balancing

• Passive assistance

• Motor balancing

• Mechanical advantage

Which of the following would not be used to counterbalance a lifting mechanism?

• Motors

• Extra metal

• Elastic Tubing

• Springs