2.1. Lower Pairs: Surface contact

Try these first

1. 1.

   What is a revolute joint?

   Hint

   Think of door hinges.

2. 2.

   Give an example of a prismatic joint.

   Hint

   What slides in and out?

3. 3.

   What type of joint allows for rotational movement?

   • Revolute
   • Prismatic
   • Spherical

   Hint

   Think about door hinges.

4. 4.

   True or false: A prismatic joint allows for rotational movement.

   • True
   • False

   Hint

   Consider how pistons move.

5. 5.

   Design a simple mechanism using at least two different types of joints (revolute, prismatic) and explain how they interact.

   Hint

   Think of how bicycle mechanics work together.

6. 6.

   Explain the advantages of using a spherical joint in prosthetic limbs.

   Hint

   Consider the range of motion required by a limb.