BASIC BIOMECHANICS
8th Edition
ISBN: 9781259913877
Author: Hall
Publisher: RENT MCG
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Chapter 12, Problem 5AP
Summary Introduction
To explain: The relationship between
Concept introduction: Mechanical work is the quantity of energy transfer by a force acting on an object. It is equal to the product of force and displacement of the body.
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Chapter 12 Solutions
BASIC BIOMECHANICS
Ch. 12 - How much force must be applied by a kicker to give...Ch. 12 - A high jumper with a body weight of 712 N exerts a...Ch. 12 - What factors affect the magnitude of friction?Ch. 12 - If s between a basketball shoe and a court is...Ch. 12 - A football player pushes a 670-N blocking sled....Ch. 12 - Lineman A has a mass of 100 kg and is traveling...Ch. 12 - Prob. 7IPCh. 12 - A ball dropped on a surface from a 2-m height...Ch. 12 - A set of 20 stairs, each of 20-cm height, is...Ch. 12 - A pitched ball with a mass of 1 kg reaches a...
Ch. 12 - Identify three practical examples of each of...Ch. 12 - Prob. 2APCh. 12 - A 2-kg block sitting on a horizontal surface is...Ch. 12 - Explain the interrelationships among mechanical...Ch. 12 - Prob. 5APCh. 12 - A 108 cm, 0.73-kg golf club is swung for 0.5 s...Ch. 12 - A 6.5-N ball is thrown with an initial velocity of...Ch. 12 - Prob. 8APCh. 12 - Using the principle of conservation of mechanical...Ch. 12 - Prob. 10AP
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- Which of the following nutrients is most helpful for promoting endurance during sustained activity? Question 39 options: a) Carbohydrate b) Protein c) Water d) Fatarrow_forwardAs the duration of a maximal effort increases from 10 seconds or less to between 10 and 180 seconds, what factor becomes limiting in terms of energy production?arrow_forwardFrom the table below which shows the metabolic rate for each activity, if a person with height 1.50m and weight of 60kg completed all these activities in one day. Calculate the person's one day energy expenditure. Activity8hr sleeping (35 Cal/m^2 -hr)8hr moderate physical labor (150 Cal/m^2 -hr)4hr reading, writing, TV watching (60 Cal/m^2 -hr)1hr heavy exercise (300 Cal/m^2 -hr)3hr dressing, eating (100 Cal/m^2 -hr) A. 569.33 cal B. 850.20 cal C. 996.07 cal D. 720.50 calarrow_forward
- From the table below which shows the metabolic rate for each activity, if a person with height 1.50m and weight of 60kg completed all these activities in one day. Calculate the person's one day energy expenditure. Activity8hr sleeping (35 Cal/m^2-hr)8hr moderate physical labor (150 Cal/m^2-hr)4hr reading, writing, TV watching (60 Cal/m^2-hr)1hr heavy exercise (300 Cal/m^2-hr)1hr dressing, eating (100 Cal/m^2-hr) A. 569.33 cal B. 850.20 cal C. 996.07 cal D. 720.50 calarrow_forwardAccording to Hall et al., the energy balance system is interactive and complex. True Falsearrow_forwardFrom the table below which shows the metabolic rate for each activity, if a person with height 1.50m and weight of 60kg completed all these activities in one day. Calculate the person's one day energy expenditure using Harris-Benedict Equation. Activity8hr sleeping (35 Cal/m^2 -hr)8hr moderate physical labor (150 Cal/m^2 -hr)4hr reading, writing, TV watching (60 Cal/m^2 -hr)1hr heavy exercise (300 Cal/m^2 -hr)3hr dressing, eating (100 Cal/m^2 -hr) A. 569.33 cal B. 850.20 cal C. 996.07 cal D. 720.50 calarrow_forward
- Which of the following conditions is not applicable to measuring basal metabolic rate? a. reclining b. the time immediately after a meal c. room temperature d. restingarrow_forwardState the formula relating total energy expenditure, heat produced, external work, and energy storage.arrow_forwardExplain the link between carbohydrate loading and success in a marathon race.arrow_forward
- Which of these activities, that results in energy expenditure, makes up the greater portion of overall daily energy expenditure? Group of answer choices exercise fidgeting resting metabolism thermic effect of foodarrow_forwardThe basal metabolic rate (BMR) represents the (a) maximum energy expenditure when exercising. (b) minimum, resting energy expenditure of an awake, alert person. (c) minimum amount of energy expenditure during light exercise. (d) muscular energy expenditure added to the resting energy expenditure.arrow_forwardA 25 year old male athlete who weighs 75 kg and is 178 cm tall consumes 3200 kcal's/day. His daily physical activity level would be considered heavy. Based on this information, what is his predicted daily energy expenditure? With his current diet and activity level, is he in positive, negative, or neutral energy balance?arrow_forward
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