First class lever Study guides, Class notes & Summaries

When compared to a classic lever system, the synovial joints of our Musculoskeletal system play the role of the _________? A. Weight B. Force C. Fulcrum D. Lever E. Resistance - Answer-C. Fulcrum. Which of the following event will occur when depolarizing graded potential's reach the membrane of the axon Hillock, causing its membrane potential to reach threshold? A. Ligand-gated Ca++ channels close rapidly B. Voltage-gated Ca++ channels open rapidly C. Ligand-gated Na+ channels close ...

Bodybuilding Final Exam Questions And Answers (Verified And Updated) This type of muscle blends into tendinous insertions that attach to bones, pulling them, which produces the desired movement. a. skeletal muscle b. swoll muscle c. cardiac muscle d. smooth muscle - answera. skeletal muscle Muscle are connected to bones by what? a. ligaments b. tendons c. science is still investigating d. motor units - answerb. tendons What type of muscle fibers are referred to as coach potato fiber...

_________ is a reddish, malleable metal that conducts electricity well and resists weathering. - Steel - Cast iron - Aluminum - Copper - ANSWERCopper The mechanical advantage of a third-class lever can be found by the ratio of the length of the __________ arm divided by the length of the __________ arm. - Resistance, effort - Effort, resistance - Resistance, fulcrum - Effort, fulcrum - ANSWEREffort, resistance A spring scale is used to measure __________. - Force - Mass - Torque...

muscle origins are: correct answers proximal muscle insertions are: correct answers distal fleshy attachment to bones correct answers broad attachment sites that originate directly on the bone. fibrous attachment to bones correct answers cordlike, provide a focused point of force application. agonist muscles correct answers primary muscle involved in movement. e.i: biceps brachii antagonist muscles correct answers opposing muscle that could slow or stop the movement. e.i: triceps ...

ASVAB practice test 1 Questions and Answers 100% Pass An induction clutch works by magnetism If a first class lever with a resistance arm measuring 2 feet and an effort arm measuring 8 feet are being used, what's the mechanical advantage? Length of Effort Arm ÷ Length of Resistance Arm. MA = 8 ÷ 2 = 4 The force produced when a boxer's hand hits a heavy bag and "bounces" off it is called recoil If Gear 1 has 25 teeth and Gear 2 has 15 teeth, how many revolutions does Gear 2 make for ...

Pilates Final Exam V1 (New 2024/ 2025 Update) Questions and Verified Answers| 100% Correct| Graded A QUESTION Which client has the most level appropriate sequence below to START a class? Beginner Side lying single leg jumping 4-point kneeling jumping Intermediate 4 point kneeling jumping Side lying single leg jumping Advanced Double leg footwork on the reformer Single leg footwork on the reformer Answer: Advanced QUESTION What are the elements of a good flow with...

Science Olympiad Latest Version 100% Correct Ionic Bond A bond between a nonmetal and a metal. One loses or gains an electron. Sea Breeze A wind blowing from cool ocean to warm land next to it. Endoplasmic Reticulum A network of tubes that are responsible for carrying materials throughout the cell. There are often ribosomes scattered about it. Banolith An intrusive igneous rock at the surface of the earth that formed below the surface. Monera A kingdom of prokaryotic organisms...

Describe the result of adding a large positive number and a smaller negative number - result is smaller positive number, same as ignoring the signs and subtracting smaller number How do you convert a fraction into a decimal? - Divide the top number by bottom number What is the key step in order to add or subtract unlike fractions - finding the lowest common denominator How do you divide one fraction by another - Invert divisor (flip over the second fraction) and multiply both numerators an...

ASVAB: Mechanical Comprehension Questions and Answers 100% Pass The wheel of a car has a diameter of 16 inches and moves a smaller wheel of 4 inches. What is the mechanical advantage gained by the system? a.)1:4 b.)4:1 c.)1:2 d.)2:1 b.)4:1 A lever a.)Reduces resistance b.)Multiplies force and changes direction c.)Transmits power from one object to another d.)Cannot move in the reverse direction b.)Multiplies force and changes direction Tension can best be called a.)A weight b....

Mechanical REC Study Guide Latest Update Graded A+ Rack and pinion gear example Steering system in cars Spur gear example Used in a parallel shaft gear train Bevel gear example Hand drills Parallel helical gear example Used for high speed or high torque applications like transmission Herringbone gear example Power transmissions and heavy machinery Worm gear example Gates and conveyor belts Gear ratio formula driven gear/driving gear Idler gear Has no effect on the ove...