Fulcrum Study guides, Revision 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 ...

_________ is a reddish, malleable metal that conducts electricity well and resists weathering. - Steel - Cast iron - Aluminum - CopperAnswer - Copper 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, fulcrumAnswer - Effort, resistance A spring scale is used to measure __________. - Force - Mass - To...

The three common types of mechanisms are levers, ______, and inclined planes.Answer - wheels The metric system expresses force in ______.Answer - newtons A spring scale is used to measure ______.Answer - force The English unit of measure of weight is the ______.Answer - pound-force (lb-f) The Law of Moments can be used to determine ______.Answer - both the force needed to balance OR force needed to move a load Torque can be calculated by multiplying the distance from the...

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 ...

BIOS-252: | BIOS 252 ANATOMY & PHYSIOLOGY II WITH LAB PRACTICE TEST 48 WITH CORRECT MARKING SCHEME 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 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++ channe...

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 ...

NETA Fitness Instructor Certification Question and answers 2024 verified to passmore rotational inertia - correct answer heavier object, located a greater distance from center of mass angular momentum - correct answer product of the mass of the object, the distance from the center of mass, and the velocity the muscle force and resistance force are applied on the same side of the fulcrum with the muscle force acting through a longer moment arm - correct answer second the muscle for...

MSSC - Manufacturing Processes and Production 100+ Questions and Answers 100% CORRECT GRADED A+ A force that makes an object rotate about a point is called ______. - CORRECT ANSWER torque A second-class lever has its ______. - CORRECT ANSWERload between the fulcrum and the effort arm

BIOL 235 Midterm 2 Review between the origin and insertion which is usually located proximally in limbs ? - Origin What happens during REVERSE MUSCLE ACTION? - specific movements of the body the actions are reversed THEREFOR the positions of the origin and insertion of a muscle are switched What is a mechanical advantage using the example of a lever? - if the load is closer to the fulcrum and the effort is farther from the fulcrum only a small about of effort is needed to move the l...

Where must the operator's manual be kept during crane operations? - The operator's manual should always be kept in the cab according to ASME B30.5, what are the minimal requirements to meet the crane operator qualifications? - Physical, Written test, Practical Test which will have the greatest effect to the fulcrum of a crawler crane and have a major impact on capacity? - working over the rear what hand signal must always be obeyed? - Stop When removing pins or bolts from a boom, assemb...