Question: Which of the following is/are true regarding dynamic equilibrium?
Answer Choices:
applies to bodies in motion
involves components of inertia
dynamic equilibrium applies to bodies in motion and involves components of inertia
there is no such thing as dynamic equilibrium
Answer: dynamic equilibrium applies to bodies in motion and involves components of inertia
Question: Which of the following is an example of a kinetic consideration?
Answer Choices:
Muscle force producing a vertical jump
Impact force landing from a jump
Both muscle force producing a vertical jump and the impact force landing from a jump
Neither muscle force producing a vertical jump nor the impact force landing from a jump
Answer: Both muscle force producing a vertical jump and the impact force landing from a jump
Question: The angular analogue of what?
Answer Choices:
momentum
force
mass
impulse
Answer: force
Question: Which of the following would not be measured in a kinematic analysis of a tennis serve?
Answer Choices:
Angular velocity
Linear velocity
Muscular force
Angular acceleration
Answer: Muscular force
Question: Which of the following is an example of a static situation?
Answer Choices:
A cyclist riding at a constant velocity
A person balancing motionless on one foot
Both a cyclist riding at a constant velocity and a person balancing motionless on one foot
Neither a cyclist riding at a constant velocity nor a person balancing motionless on one foot
Answer: A person balancing motionless on one foot
Question: In the human body, most of the lever systems formed by muscles pulling on bones are what class?
Answer Choices:
1st class
2nd class
3rd class
none of the choices are correct
Answer: 3rd class
Question: The perpendicular distance between the line of force and the axis defines what?
Answer Choices:
torque
fulcrum
moment arm
none of the choices are correct
Answer: moment arm
Question: A 30 kg child sits on the right end of a see-saw 1 m from the axis. If a 20 kg child sits on the left end of the see-saw 2 m from the axis, what will happen?
The see-saw will rotate clockwise.
Answer Choices:
The see-saw will rotate counterclockwise.
The see-saw will balance.
Need more information to predict outcome.
Answer: The see-saw will rotate counterclockwise.
Question: A seesaw is an example of which class of lever?
Answer Choices:
1st class
2nd class
3rd class
none of the choices are correct
Answer: 1st class
Question: In the human body, most of the lever systems formed by muscles pulling on bones are what class?
1st class
Answer Choices:
2nd class
3rd class
None of the choices are correct
Answer: 3rd class
Question: Which of the following characterizes a formal problem?
Answer Choices:
A goal or answer
A set of given information
A set of operations that can be used to arrive at the desired answer from the given information
All of the choices characterize a formal problem
Answer: All of the choices characterize a formal problem
Question: Which of the following is included in sports medicine?
Answer Choices:
Clinical aspects of exercise and sport
Scientific aspects of exercise and sport
Both scientific and clinical aspects of exercise and sport
Neither scientific nor clinical aspects of exercise and sport
Answer: Both scientific and clinical aspects of exercise and sport
Question: Which of the following are components of a structured approach to problem solving?
Answer Choices:
Writing down the given information
Drawing a diagram representing the problem situation
Re-reading the problem to look for additional information that may be inferred from the problem statement
All of the choices are correct
Answer: All of the choices are correct
Question: The angular analogue of force is?
Momentum
Answer Choices:
Force
Mass
Impulse
Answer: Force
Question: Biomechanical research has contributed to which of the following?
Answer Choices:
Development of equipment
Injury prevention
Improved performance
All of the choices are correct
Answer: All of the choices are correct
Question: Which of the following is associated with kinematics?
Answer Choices:
Force
Displacement
Mass
All choices are associated with kinematics
Answer: Displacement
Question: In which of the following situations is maximal stability desirable?
Answer Choices:
a swimmer’s starting position on the blocks before a race
a Sumo wrestler’s crouched defensive stance
maximal stability is desirable in both situations
maximal stability is desirable in neither situation
Answer: maximal stability is desirable in both situations
Question: Which properties are associated with the Center of Gravity?
Answer Choices:
the point about which a body’s weight is equally balanced in all directions
the location of the center of gravity shifts in the direction of greater mass
the torques created by the weights on either side of the center of gravity are equal
all of the choices above are correct
Answer: all of the choices above are correct
Question: Which of the following does not increase stability?
Answer Choices:
lower the COG
increase size of base of support
decrease mass
increase friction
Answer: decrease mass
Question: The resistance arm (RA) will always be longer than the force arm (FA) in what class lever?
1st class
Answer Choices:
2nd class
3rd class
None of the choices are correct
Answer: 3rd class