Exam 3: Basic Biomechanical Factors and Concepts

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Which of the following is a type of friction?

(Multiple Choice)
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In the context of first-class levers, the agonist and antagonist muscle groups may contract simultaneously on either side of a joint axis.

(True/False)
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Some circumstances exist where the quality of movement is improved when the body tends to be unbalanced.

(True/False)
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-Which of the following statements accurately represents the relationship between linear and angular motion?

(Multiple Choice)
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Impulse is the product of force and time.

(True/False)
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Static friction is always greater than kinetic friction and rolling friction.

(True/False)
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Overall the human leverage system is built for speed and range of movement at the expense of force generation.

(True/False)
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Levers rotate about an axis of rotation as a result of force being applied to them to cause their movement in the same direction as the resistance.

(True/False)
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Dynamics involves the study of systems in motion with acceleration.

(True/False)
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Mass is the effect of gravity on the amount of matter in a body.

(True/False)
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___________ occurs when all the applied and inertial forces acting on a moving body are in balance, resulting in movement with unchanging speed or direction.

(Multiple Choice)
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Linear displacement is the distance a system moves in a straight line.

(True/False)
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Which of the following does not describe a way in which machines function?

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Which of the following statements is true about kinetic friction?

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The _____ is the point at which all of the body's mass and weight is equally balanced or equally distributed in all directions.

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Biomechanics is the study of mechanics related to the functional and anatomical analysis of biological systems.

(True/False)
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Identify Newton's law of acceleration.

(Multiple Choice)
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Angular displacement is the change in location of a linearly moving body.

(True/False)
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Which of the following levers would be best to use to move a specific object if your only objective was speed of the object's movement?

(Multiple Choice)
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Friction is the force that results from the resistance between the surfaces of two objects moving on each other.

(True/False)
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