Unit 13 - Warm Up Review

What role do ball joints play in prosthetics?

• They provide decoration

• They allow movement

• They store energy

• They conduct electricity

What is the primary function of a screw?

• To increase speed

• To convert energy

• To convert rotational motion into linear motion

• To decrease friction

Which of the following is an example of where a screw is used?

• In a bicycle chain

• In a door hinge

• In a clamp

• On a fishing pole

What is the pointed end of a screw called?

• Shank

• Head

• Tip

• Drive

Which part of the screw is responsible for holding it in place by creating friction?

• Threads

• Shank

• Head

• Drive

Which part of the screw is typically inserted into a screwdriver?

• Head

• Shank

• Drive

• Tip

Which part of the screw is typically the narrowest?

• Shank

• Head

• Tip

• Drive

What type of joint is represented in the diagram?

• Ball and Socket

• Hinge

• Pivot

• Saddle

Which part of the rack and pinion system is responsible for rotation?

• Pinion

• Rack

• Load

• Axis

In the context of a rack and pinion system, what does the term "load" refer to?

• The object being moved

• The gear that rotates

• The axis of rotation

• The track on which the system moves