Quiz 4
Muscle Mechanics Quiz
Test your knowledge of muscle mechanics with our engaging quiz! Dive deep into concepts like power, work, and energy as they relate to muscle activity. Perfect for anyone looking to enhance their understanding of biomechanics.
- 10 challenging multiple-choice questions
- Learn about kinetic energy, potential energy, and mechanical work
- Ideal for students and fitness enthusiasts alike
Power is equal to
Force times distance
Work
Force times distance divided by time
The amount of force a muscle can generate
None of these
Mechanical work is performed in all of these types of muscle activity (contraction) except for:
Mechanical work is not performed in any of these
Concentric
Eccentric
Isometric
Mechanical work is performed in all of these
The difference between positive and negative work stems from the direction of motion of the body the force acts on and the:
Magnitude of the force acting on the body
Direction of the force acting on the body
Line of action of the force acting on the body
Point of application of the force acting on the body
There is no difference between positive and negative work.
When catching a ball,
Positive work is performed on both the ball and the glove
The ball performs positive work on the glove, and the glove performs negative work on the ball
Negative work is performed on both the ball and the glove
The ball performs negative work on the glove, and the glove performs positive work on the ball
No work is performed since the work on the ball and on the glove cancel each other out
In the equation for calculating strain potential energy, the x symbolizes:
Velocity
A constant
Friction
Stiffness
The amount of deformation
Kinetic energy is the energy:
Due to motion
Due to deformation
Due to hight
Due to weight
Due position
Gravitational potential energy is the energy:
Dues to deformation
Due to weight
Due to motion
Due to position
A soft foam pit is used for landing during the pole vault. The foam pit cushions the landing of the vaulter by:
Increasing the friction encountered
None of these answers are correct.
Reducing the displacement during the landing
Reducing the friction encountered
Increasing the displacement during the landing
During an arm wrestling match, your opponent is winning. She is slowly pushing your arm down toward the table. Are you doing any mechanical work against your opponent?
Yes
No
Maybe
Need more information to calculate
During an arm wrestling match, your opponent is winning. She is slowly pushing your arm down toward the table. If you are doing any mechanical work against your opponent, the work is:
Positive
Negative
No work is being performed
Need more information to calculate
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