Basic Biomechanics
7th Edition
ISBN: 9780073522760
Author: Susan J Hall
Publisher: McGraw-Hill Education
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Chapter 10, Problem 7AP
A soccer ball is kicked from the playing field at a 45° angle. If the ball is in the air for 3 s, what is the maximum height achieved? (Answer: 11.0 m)
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Chapter 10 Solutions
Basic Biomechanics
Ch. 10 - A runner completes 6 laps around a 400 m track...Ch. 10 - A ball rolls with an acceleration of 0.5 m/s2. If...Ch. 10 - A wheelchair marathoner has a speed of 5 m/s after...Ch. 10 - An orienteer runs 400 m directly east and then 500...Ch. 10 - An orienteer runs north at 5 m/s for 120 s and...Ch. 10 - Why are the horizontal and vertical components of...Ch. 10 - A soccer ball is kicked with an initial horizontal...Ch. 10 - If a baseball, a basketball, and a 71.2-N shot...Ch. 10 - A tennis ball leaves a racket during the execution...Ch. 10 - Prob. 10IP
Ch. 10 - Answer the following questions pertaining to the...Ch. 10 - Provide a trigonometric solution for Introductory...Ch. 10 - Provide a trigonometric solution for Introductory...Ch. 10 - A buoy marking the turn in the ocean swim leg of a...Ch. 10 - A sailboat is being propelled westerly by the wind...Ch. 10 - A Dallas Cowboy carrying the ball straight down...Ch. 10 - A soccer ball is kicked from the playing field at...Ch. 10 - A ball is kicked a horizontal distance of 45.8 m....Ch. 10 - A badminton shuttlecock is struck by a racket at a...Ch. 10 - An archery arrow is shot with a speed of 45 m/s at...
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- For each of the activities shown, describe the movement using the proper terminology. Describe the movement in stages, using: the axis the plane the terms of movementarrow_forwardThe data was collected at 100 frames/second. Calculate the velocity and acceleration for each of the joints for the X(horizontal)coordinate. Also, graph the displacement of all three joints (ankle, knee and hip) for the Y (vertical) coordinatearrow_forwardDetermine the angle of the shoulder if the torso angle is 88\deg and the upper-arm angle is -125\deg. This answer is this 33\deg BUT how do you calculate this to get that answer??arrow_forward
- What was the ball’s acceleration on the inclined plane described above? 2.0 meters per second2 B. 3.0 meters per second2 4.0 meters per second2 6.0 meters per second2 8.0 meters per second2arrow_forwardThe adjacent diagram displays the joint reaction force between the acetabulum and femoral head for the right leg during single leg stance. Also shown are the abductor muscle force (AMF), the weight of the body above the level of the stance hip (W) and their corresponding moment arms with respect to the joint centre (D and D1). If the right leg weighs 1/6 of total body weight, the ratio of D1 to D is 2.4, and AMF is angled at 30 degrees relative to the vertical, calculate the: Abductor muscle force (2 marks). Hip joint reaction force (2 marks). Express both answers as multiples of total body weightarrow_forward2. a) Label the system provided below, including the reference frame, moment arms and vector forces with the information provided. Internal moment arm = 4cm +0.04m External moment arm relative to the segment weight = 25cm 0.25m External moment arm relative to the load weight = 45cm 40.45m Segment weight = 50 N Load weight = 100 N Lower leg segment angle relative to horizontal plane = 45° Quadriceps tendon angle = 45° Axis of rotation MF SW LW 2b) Using the figure in 2a., calculate the external torque of the system relative to the normal component of segment and load weights listed above. 2c) Calculate the amount of both the tangential component of the muscle force and the muscle force itself required to keep this system in a state of static equilibrium.arrow_forward
- X HCS-AL-Science 8 B (HVA) - Edg x n.edgenuity.com/Player/ A hydraulic jack is used to lift a car in order to change a tire. The car exerts a force of 9,800 N toward the ground due to the force of gravity. To begin to lift the car, a hydraulic jack must produce v of force. To keep the car in position once it is lifted, the jack must produce v of force. Done ) Intro 2 of 9arrow_forward3 E there to search D Calculate the ankle torque during initial gait contact from the following data set to 1 decimal place. NOTE if your answer is negative put the negative sign in the answer! FZ 765 N 4 с Fx-290 N CoP z 0 m Cop x 0.51 m Ankle z 0.074 m Ankle x 0.62 m Answer Check R F 96 5 Bi T G B 6 y H N U J 8 M 1 hp к Ji C 9 9 P O alt gr O P ? ctri 910- C > pri se 1 GBP/AUD-0.41% pause # ← tock Next page 7 11:26 02/12/2023 1 end ☐ po up 5 Carrow_forwardCalculate the total amount of work performed in 5 minutes of exercise on the cycle ergometer, given the following:Resistance on the flywheel = 25 NCranking speed = 60 rpmDistance traveled per revolution = 6 metersarrow_forward
- If a person has a vertical force of 10.25N with a nylon strap of a 2.5cm of width and length of 10cm in the trapezius muscle, how much time does the person need to feel pain in the muscle? How much time is needed to injure or damage the muscle? Must show every mathematical process.arrow_forwardForces and Motion Vocab: include definitions and formulas/ ways to calculate Distance- Displacement- Speed- Velocity- Acceleration-arrow_forwardWith the shoulder flexed at 30°, the moment arm of the deltoid muscle is 2.0 cm. Solve for the force exerted by the deltoid muscle at the glenohumeral joint give the following assumptions: The deltoid is the only active muscle at the glenohumeral joint The weight of the humerus is 48 N. The center of gravity of the humerus is located 30 cm from the shoulder center of rotation STATIC EQUILIBRIUM EQUATIONS CONSIDERING ONLY THE DELTOID MUSCLE Fo MA = 18 Cn COR B=55". 0-30° RaF 30 cm FG = 24 Narrow_forward
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