asialymunoz2625 asialymunoz2625

03-03-2020
Engineering

contestada

Calculate the magnitude of the force FB in the back muscles that is needed to support the upper body plus the box and compare this with his weight. The mass of the upper body is 55.0 kg and the mass of the box is 30.0 kg.

Respuesta :

chukwukaogbugbu chukwukaogbugbu

03-03-2020

Answer:

807.5N

Explanation:

The combined mass (m) on the back muscle is 55kg + 30kg = 85kg

Acceleration due to gravity (g) = 9.8m/s²

Therefore the force FB = ma = 85*9.8

FB= 807.5N

Answer Link

Otras preguntas

An estimator receives an average quote fora traffic control subcontractor of $1570 for the job duration. If the lowest bid is 4 % under average, and the highest

The statement of cash flows explains changes in a firm’s: A) Cash on hand and cash in the bank B) Cash and cash equivalents C) Cash, cash equivalents, and accou

Find the slope of the line through the pair of points by using the slope formula. (-4,3) and (-2, -4) The slope of the line is (Type an integer or a simplified

The term that means a continued mild or partial contraction of a muscle that keeps it healthy and ready to respond is muscle __________.The term that means a co

A possible consequence of eutrophication is A. Reduction of nutrient levels in a body of water B. Fish kills, because of the lowered dissolved oxygen in the wat

if 1 added to the numerator of fraction it becomes 1/2 and if one subtracted from the denominator it becomes 1/3 then the fraction is....?

Sin2x=______ A.2sinxcosx B.1/2(cos(a-b)-cos(a+b)) C.1-2sin^2x D.2sinx+2cosx

The function f(x)=−5x^2+3 is defined over the domain −4

Consider a periodic review system. The target inventory level is 1000 units. It is time to review the item, and the on-hand inventory level is 200 units. How ma

which number has the lesser value 5.13 or5.099