In the schematic diagram of an arm being a lever, rod 1 represents the humerus and rod 2 the radius and ulna. M is a block being supported by the ‘hand’. What are located at the positions indicated by p, q, r and s?

belongs to book: Examination Questions and Answers in Basic Anatomy and Physiology|Martin Caon|| Chapter number:19| Question number:48

waelhammad

Save to bookmark

2022-10-22

358

In the schematic diagram of an arm being a lever, rod 1 represents the humerus and rod 2 the radius and ulna. M is a block being supported by the ‘hand’. What are located at the positions indicated by p, q, r and s?

Effort (p), centre of mass of the radius and ulna (q), fulcrum (r) and load (s).
Fulcrum (p), effort (q), centre of mass of radius and ulna (r) and load (s).
Centre of mass of radius and ulna (p), effort (q), load (r) and fulcrum (s).
Fulcrum (p), centre of mass of radius and ulna (q), effort (r) and load (s)

Medicine, textbook solutions, MCQ Questions, Medicine textbook-solutions, Medicine MCQ-questions,

All Answers

waelhammad

2022-10-22

need an explanation for this answer? contact us directly to get an explanation for this answer

B: p is the fulcrum (the elbow joint); q is the effort (the insertion point of the biceps brachii tendon); r is halfway along the rod 2, so is the centre of mass of the radius/ulna.

need an explanation for this answer? contact us directly to get an explanation for this answer

total answers (1)

In the schematic diagram of an arm being a lever, rod 1 represents the humerus and rod 2 the radius and ulna. M is a block being supported by the ‘hand’. What are located at the positions indicated by p, q, r and s?

All Answers

Similar questions

need a help?

find thousands of online teachers now