D Question 1 1 pts What factor listed below affects back compression force O Body Position Gender o Age All the above rdings D Question 2 rces 1 pts Campus Torque/moment is defined as ation The quantity necessary to cause or resist rotation of a body The rate of rotation of a body around a single axis The force required to spin and object around only its long axis None of the above ote Looking at the biomechanics of lifting a load and th characteristics of that load, which has more hazardous to pick up on the low back: O 50 pounds of loose feathers in a boxfe O 50 pounds of metal in a box O 50 pounds of wood chips They all have the same impact Question 6 1 pts One method to improve work efficiency for a specific task involves: Making it a static task to reduce unnecessary movements Make fewer tasks that require more muscle force Design the workstation for optimal use of available strength Design all workstations to fit the smallest individual so everybody else can reach the equipment The 1981 NIOSH Work Practices Guide to Manual Lifting was used to analyze a job. Further of the data revealed the following: HFactor = 0.50 Wwwww WWW F Factor=0.80 D Factor =0.85 V Factor = 0.60 What factor has the most Impact? WWW O F Factor O F Factor O D Factor O V Factor Question 12 For the same weight, pinching generally requires more muscle strength and is more fatiguing tha gripping tools and parts. o True False The maximum physical work capacity: is the maximum metabolic rate at which a person can work for a 2 hour period can be estimated by determining the persons maximum heart rate o is the rate at which a person can work for the entire work shift O is approximately 50% of the physical work capacity O none of the above Question 15 1 pts One should select tool handles in which stress concentrations do not occur over major nerves or arteries of the hand. True False Question 16 During work activity, the oxygen debt: is a function of the time it takes the body's heart to decrease output in response to a recent metabolic demand O is a function of the time it takes the bodys heart to increase output in response to a recentmetabosc demand . a function of the time it takes the body's circulatory and respiratory system to increase output in response to recent metabolic demand create output in one to is a function of the time it takes the body s circulatory and respiratory system to recent metabolic demand te Question 20 1 pts What are the factors affecting a person's shoulder strength Torso Position Gender Duration of sustained force Employee Age Horizontal distance between Load in hand and shoulder All the above None of the above Question 21 When writing medical restrictions for back pain, the medical community needs to Only review the weight the operators to life Only diy la posture with more . Review the operatoregule e rthout the workday On y setht00 se m er LY | | | | | | | HDPE HD ||| | | | | | | 04 Question 22 o te 3