Class 1 levers - Study guides, Class notes & Summaries
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BIOS 252 Final Exam Practice Test Questions And Answers Well Illustrated.
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BIOS 252 Final Exam Practice Test Questions And Answers Well Illustrated. 
 
 
 
 
 
Which of the following is a recognized function of skeletal muscle? 
 
1) A) guard body entrances and exits 
B) maintain posture 
 C) maintain body temperature 
D) produce movement 
E) all of the above - correct answer. E 
 
Nerves and blood vessels that service the muscle fibers are located in the connective tissues of the 
A) myofibrils. 
B) sarcolemma. 
C) endomysium. 
 D) sarcomere. 
E) perimysium...
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NUR 1234 PRACTICE TEST EXAM LATEST UPDATE 2023/2024 100% A+ GRADE
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1)	Which of the following is a recognized function of skeletal muscle?	1) A) guard body entrances and exits 
B)	maintain posture 
C)	maintain body temperature 
D)	produce movement 
E)	all of the above 
 
2)	Nerves and blood vessels that service the muscle fibers are located in the connective tissues of the	2) A) myofibrils. 
B)	sarcolemma. 
C)	endomysium. 
D)	sarcomere. 
E)	perimysium. 
 
3)	Which of the following best describes the term sarcoplasmic reticulum?	3) A) largely made of myosin molec...
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TWU Biomechanics Exam 1 Questions With 100% Correct Answers.
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1st Class Lever - Fulcrum located between R and F 
R & F in the same direction 
F + R=Fulcrum 
MA depends on the location of the fulcrum 
MA=1 
*Atlanto-occipital joint 
2nd Class Lever - F<R 
Advantageous in terms of force (MA>1) 
Most levers used in daily life 
*Ankle in tiptoeing 
3rd Class Lever - F>R 
Disadvantage in terms of force (MA<1) 
Majority of the human body joints (95%) 
Advantage in displacement and speed and the main source of human mobility 
*Elbow in lifting 
6 join...
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NSCA-CSCS Exam: End of chapter questions and answers
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Which of the following substances regulates muscle actions? 
 
a. Potassium 
b. Calcium 
c. Troponin 
d. Tropomyosin 
b. Calcium 
 
 
 
Which of the following substances acts at the neuromuscular junction to excite the muscle fibers of a motor unit? 
 
a. Acetylcholine (ACH) 
b. ATP 
c. Creatine Phosphate 
d. Serotonin 
a. Acetylcholine (ACH) 
 
 
 
When throwing a baseball, an athlete's arm is rapidly stretched just before throwing the ball. Which of the following structures detects and respon...
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FCTC Written Study Guide Graded A+
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Classes of Levers - Class 1, Class 2, Class 3 
Class 1 Levers - Fulcrum is in the middle, with the effort (input) force on one side of the fulcrum 
and resistance (output) on the other side. 
Mechanical Advantage greater or less than 1 
Ex: Seesaw, Crowbar, Pair of Scissors. 
Class 2 Levers - Resistance is in the middle, the effort is applied on one side of the resistance and 
the fulcrum on the other side. 
Mechanical Advantage always greater than 1 
Ex: Wheelbarrow, nutcracker, bottle opener, ...
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PHYSICAL SCIENCE - CHAPTER 9 LESSON 3 - INCLINED PLANES & LEVERS WITH VERIFIED FOR ACCURACY
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How do inclined planes work? 
An inclined plane allows you to exert your input force over a longer distance. As a result, the input force needed is less than the output force. 
 
 
 
Simple Machine 
Is the most basic device for making work easier. 
 
 
 
What are 3 closely related simple machines from the inclined plane family? 
Inclined plane 
Wedge 
Screw 
 
 
 
What is a ramp an example of? 
A ramp is an example of a simple machine called an inclined plane. 
 
 
 
Inclined Plane 
Is a flat, s...
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FCTC TEST PREP QUESTIONS WITH 100 % CORRECT ANSWERS | VERIFIED
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A belt and pulley system is characterized by - Answer-two or more pulleys in common to a belt. 
What does a belt and pulley system allow for? - Answer-mechanical power, torque, and speed to be 
transmitted across axles 
How is mechanical advantage realized? - Answer-if the pulleys are different diameters 
what is a pulley? - Answer-a wheel on an axle or shaft that is designed to support movement and 
change of direction of a cable or belt along its circumference 
Why are pulleys used? - Answer-l...
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FCTC Written Study Guide Accurate 100%(SCORED A+)
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Classes of Levers - ANSWER Class 1, Class 2, Class 3 
 
Class 1 Levers - ANSWER Fulcrum is in the middle, with the effort (input) force on one side of the fulcrum and resistance (output) on the other side. 
Mechanical Advantage greater or less than 1 
Ex: Seesaw, Crowbar, Pair of Scissors. 
 
Class 2 Levers - ANSWER Resistance is in the middle, the effort is applied on one side of the resistance and the fulcrum on the other side. 
Mechanical Advantage always greater than 1 
Ex: Wheelbarrow, nu...
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FCTC Written Study Guide Exam Questions & Answers 100% Accurate
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Classes of Levers - ANSWER-Class 1, Class 2, Class 3 
 
Class 1 Levers - ANSWER-Fulcrum is in the middle, with the effort (input) force on one side of the fulcrum and resistance (output) on the other side. 
Mechanical Advantage greater or less than 1 
Ex: Seesaw, Crowbar, Pair of Scissors. 
 
Class 2 Levers - ANSWER-Resistance is in the middle, the effort is applied on one side of the resistance and the fulcrum on the other side. 
Mechanical Advantage always greater than 1 
Ex: Wheelbarrow, nu...
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Certified Fitter of Therapeutic Shoes Questions With Complete Solutions!!
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kinematics - Answer-description of motion including planes of motion, type, and the direction of the 
motion 
kinetics - Answer-study of motion and it's causes like gravity and muscles 
center of gravity - Answer-the point around which an object's weight is evenly distributed. It can change 
when a person raises their arms or jumps 
line of gravity - Answer-imaginary vertical line that passes through the center of gravity. If it is located in 
the person's base of support, then the object is ...
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