biomechanics Exam 2 Quiz Questions.txt

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  1. Which type of muscle contraction is used as a braking mechanism todecrease the velocity of the arm after the ball has left your hand?

    A isotonic
    B dynamic
    C eccentric
    D isometric
    E concentric
    C eccentric
    (this multiple choice question has been scrambled)
  2. What is the function of a muscle acting as a neutralizer?

    A prevents undesired joint rotation caused by the contracting muscles
    B cooperates with other muscles to create the desired joint rotation
    C contracts to keep the two bones making up the joint from separating
    D causes the opposite joint rotation to the one desired
    A prevents undesired joint rotation caused by the contracting muscles
    (this multiple choice question has been scrambled)
  3. What is the function of a muscle acting as a stabilizer?

    A causes the opposite joint rotation to the one desired
    B cooperates with other muscles to create the desired joint rotation
    C prevents undesired joint rotation caused by the contracting muscles
    D contracts to keep the two bones making up the joint from separating
    D contracts to keep the two bones making up the joint from separating
    (this multiple choice question has been scrambled)
  4. Which of the following illustrates eccentric muscle contraction of the hipextensors?

    A holding a tennis racquet while awaiting a serve
    B bending forward with knees straight to touch the floor
    C stepping up onto a bench
    D standing at attentionEnone of the above
    B bending forward with knees straight to touch the floor
    (this multiple choice question has been scrambled)
  5. In order to reduce "form drag," you should:

    A increase the relative velocity
    B reduce the surface roughness at higher velocities
    C reduce the cross-sectional area
    D increase fluid density
    E all of the above
    C reduce the cross-sectional area
    (this multiple choice question has been scrambled)
  6. Which of the following statements is true of the Magnus force?

    A both A and B
    B It causes a ball to move up, down, left, or right
    C It direction is always upward
    D It can created by a spinning ball
    E all of the above
    A both A and B
    (this multiple choice question has been scrambled)
  7. A runner having an absolute velocity of +6 m/s is running on a windy day. The wind has an absolute volocity of +3 m/s. The relative velocity is ___.

    A 18 m/s
    B 9m/s
    C 2m/s
    D 3m/s
    E none of the above
    D 3m/s
    (this multiple choice question has been scrambled)
  8. An object will float if____

    A it has a specific gravity > 1.0
    B it has a density > 1000 kg/m3
    C it has a buoyant force < 1000 N
    D both A and B
    E none of the above
    E none of the above
  9. A joint that allows uniaxial rotation of articulating bone surfaces around a longitudinal axis is called

    A a gliding joint
    B a pivot joint
    C a hinge joint
    D an axial joint
    E a twisting joint
    B a pivot joint
    (this multiple choice question has been scrambled)
  10. A lever in the which the force acting on the lever is in between the fulcrum and the resistance is called a

    A 2nd class lever
    B 1st class lever
    C 3rd class lever
    C 3rd class lever
    (this multiple choice question has been scrambled)
  11. A joint that is "freely movable" and "highly mobile" wold be classified as

    A synovial and amphiarthrodial
    B diathrodial and cartilaginous
    C synovial and diarthrodial
    D diathrodial and fibrous
    E synovial and synarthrodial
    C synovial and cartilaginous
    (this multiple choice question has been scrambled)
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biomechanics Exam 2 Quiz Questions.txt
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