05/06/14 Name Physics 130 Final Exam

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Dortha Copeland
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1 The following information pertains to questions 1 and 2: In running up the stairs if Fred converts 800 J of food energy into gravitational potential energy. Assume 20% of the food energy is converted into gravitational potential energy. 1. Approximately how much food energy does Fred burn as he runs up the stairs? a. 800 J b J c J d J 2. Approximately how much food energy is converted to heat as Fred runs up the stairs? a. 800 J b J c J d J 3. Acceleration can best be described as: a. The time rate of change of momentum b. The time rate of change of velocity c. The time rate of change of position d. The time rate of change of displacement 4. A 10 kg block is sitting on a desk. How many forces act on the block? a. 1 b. 2 c. 3 d A 10 kg block is sitting on a desk. Which of the following statements is true? a. The net force acting on the block is in the upwards direction b. The net force acting on the block is in the downwards direction c. The net force acting on the block is zero 6. What is the weight of the 10 kg block? a. 10 kg b. 100 kg c. 10 N d. 100 N e. 100 pounds 7. Which of the following devices can cause an acceleration of an automobile? a. gas pedal b. brake pedal c. steering wheel d. all of the above e. none of the above

2 The following information pertains to questions 8-12: A ball is thrown straight up into the air with an initial speed of 25 m/s. 8. When the ball is traveling upwards which statement best describes the energy of the ball? a. The kinetic energy of the ball increases and the gravitational potential energy increases. b. The kinetic energy of the ball increases and the gravitational potential energy decreases. c. The kinetic energy of the ball decreases and the gravitational potential energy increases. d. The kinetic energy of the ball decreases and the gravitational potential energy decreases. The next two questions are not multiple choice, you need to provide the answer. Please circle your final answer 9. How fast will the ball be traveling exactly 1 second later? 10. How long will it take for the ball to reach the top of its path? 11. When the ball is traveling upwards which statement is true? a. The force of gravity does positive work on the ball. b. The force of gravity does negative work on the ball c. The force of gravity does zero work on the ball. 12. Of the given quantities, which one remains constant as the ball moves upward a. Its velocity b. Its kinetic energy c. Its acceleration d. Its position 13. In, class we talked about the astronaut in outer space throwing a large wrench in one direction in order to propel himself in the opposite direction. If I were to give you the masses of the astronaut and the wrench and the velocity of the wrench, you could determine the astronauts velocity by using which principle? a. The conservation of momentum b. The conservation of energy c. The conservation of kinetic energy d. The conservation of potential energy 14. The force that makes a car accelerate forward is: a. The tires pushing against the road b. The road pushing against the tires c. The engine pushing on the drive-shaft d. The force of the expanding gas inside the piston e. Unknown to science

3 The following information pertains to questions 15-17: Fred lifts a weight to a height of h above the floor in a time t. Joe lifts the same weight to the same height in half the time. 15. How does the Work done by Joe and Fred compare? a. Fred does twice as much Work as Joe b. Joe does twice as much Work as Fred c. Fred and Joe do an equal amount of Work 16. During the lifting, the Work done by Fred and Joe is converted into? a. Kinetic energy b. Gravitational Potential Energy 17. How does the Power output between Fred and Joe compare during the lifting of the weight? a. Fred has twice the average power output as Joe b. Joe has twice the average power output as Fred c. Fred and Joe have an equal average power output The following information pertains to questions 18-21: Consider a block that is being pulled to the right by a rope that exerts a constant force of 20 N on the block. There is also a force of friction equal to 4.0 N acting on the block 18. What is the magnitude of the blocks acceleration while it is being pulled by the rope? a. 6.0 m/s 2 b. 5.0 m/s 2 c. 4.0 m/s 2 d. 7.0 m/s 2 e. 3.0 m/s If the block starts at rest and is pulled as described for 3.0 seconds, how fast will it be moving at the end of the 3.0 seconds? a. 18 m/s b. 15 m/s c. 12 m/s d. 21 m/s e. 9 m/s 20. While the block is being pulled, how many forces are acting on the block a. 1 b. 2 c. 3 d. 4 e While the block is being pulled, what is the direction of the net force acting on the block? a. To the right b. To the left c. Upwards d. Downwards e. The net force is zero

4 22. Of the forces shown, which one would cause the most torque on the beam if it were to rotate about the left end? A B C D E F 23. I am running 100 m, in the very beginning of the race I speed up and then at the end I slow down. If I am running due south the whole time, then initially my acceleration is towards the and at the end of the race it is towards the. a. north, north b. south, south c. south, north d. north, south 24. Two vessels of the same volume each contain the same amount (number of moles) of an ideal gas. If the temperature of vessel 1 is greater than the temperature of vessel 2, which of the following statement is true? a. The pressure in vessel 2 is greater than the pressure in vessel 1. b. The pressure in vessel 1 is greater than the pressure in vessel 2. c. The pressure in the two vessels is the same. d. Vessel 2 contains more gas than vessel Two vessels of the same volume containing ideal gasses are at the same pressure. If vessel 1 contains more (moles of) ideal gas than vessel 2, which vessel is at a higher temperature? a. Vessel 1 b. Vessel 2 c. They are both at the same temperature. 26. Two vessels contain ideal gases at the same pressure. Each vessel contains the same amount of ideal gas. Which one of the vessels is at a higher temperature? a. Vessel 1 b. Vessel 2 c. They are both at the same temperature. 27. Consider motion from anatomical position about the shoulder, elbow, hip and knee joints. Motion around which of those joints causes the movement of a portion of the body with the lowest moment of inertia? a. shoulder b. elbow c. hip d. knee

5 The following information pertains to questions 28 and 29: Fred who has a mass of 60 kg runs up a flight of steps in 6.0 seconds. Joe who has a mass of 80 kg runs up the same flight of steps in 10.0 seconds. Belvedere who has a mass of 70 kg also runs up the same flight of stairs in 10.0 seconds. 28. Put the three stair runners in order of decreasing amount of work done as they run up the stairs (i.e. the person who did the most work should be first) a. Fred, Joe, Belvedere b. Fred, Belvedere, Joe c. Joe, Belvedere, Fred d. Joe, Fred, Belvedere e. Belvedere, Fred, Joe f. Belvedere, Joe, Fred 29. Put the three stair runners in order of decreasing amount of average power output as they run up the stairs (i.e. the person with the highest power output should be first) a. Fred, Joe, Belvedere b. Fred, Belvedere, Joe c. Joe, Belvedere, Fred d. Joe, Fred, Belvedere e. Belvedere, Fred, Joe f. Belvedere, Joe, Fred 30. Consider three Olympic athletes competing in their respective events: 1. A Weightlifter 2. A 400 m sprinter 3. A marathon runner. Which of these events requires the most energy? a. Weightlifter b. 400 m Sprinter c. Marathon Runner 31. How many energy systems does the body have? a. 1 b. 2 c. 3 d. 4 e Of these energy systems, how many are anaerobic? a. 1 b. 2 c. 3 d. 4 e The body has several energy sources that it can use to create ATP, put the following sources in order from highest available energy to lowest available energy: 1. Pre-existing ATP 2. Glycogen 3. Fat a. Fat, Glycogen, ATP b. Fat, ATP, Glycogen c. Glycogen, ATP, Fat d. Glycogen, Fat, ATP e. ATP, Glycogen, Fat f. ATP, Fat, Glycogen 34. Above 8,000 m (about 26,00 feet) is called the death zone. What is the major reason it is so difficult for humans to survive at such high altitiudes? a. The intense solar radiation b. The volume of the lungs shrinks c. The danger of avalanche d. Each breath contains much less oxygen 35. Would it be safer to lie on a bed of nails with a. Less nails b. More nails

6 The following pictures pertain to questions 21 through 32. The pictures show a series of excercises. The picture on the left is the beginning of the repetition and the picture on the right is the end of the repetition. A1 A2 B1 B2 C1 C2

7 D1 D2 E1 E2 F1 F2

8 G1 G2 H1 H2 (Pretend the pvc pipe is a bar that can be loaded with weights ; They closed the gym) I1 J2

9 The questions on this page refer to the 3 pages of exercise photos labeled A-I; 36-44: Match the letter of the exercise photos (A-I) to the muscle(s) that are primarily worked 36. The deltoids Many muscles of the legs and hips and the gluteus maximus The rectus femoris The pectoralis majot The abdominal muscles The pectoralis major and the triceps brachii The biceps brachii The lattisimus dorsi The biceps femoris : Match the letter of the exercise photos (A-I) to the description of the movement(s) 45. Flexion about the knee joint Adduction about the shoulder joint and flexion about the elbow Flexion of the trunk about the hip joint and vertebrae of the back Flexion about the elbow joint Extension about the hip joint and extension about the knee joint Horizontal adduction about the shoulder joint 50. and extension about the elbow joint 51. Abduction about shoulde joint and extension about elbow joint Horizontal adduction about the shoulder joint Extension about the knee joint The exercise shown in the pictures labeled A show a rotation about the joint around the axis that results in motion in the plane. 55. The exercise shown in the pictures labeled B show a rotation about the joint around the axis that results in motion in the plane. 56. The exercise shown in the pictures labeled D show a rotation about the joint around the axis that results in motion in the plane. 57. The exercise shown in the pictures labeled F show a rotation about the joint around the axis that results in motion in the plane. 58. If you could only do one of the exercises to satisfy all of your fitness needs which exercise would be the best? A B C D E F G H I

11 Label the muscles in the diagrams shown below

Lifting your toes up towards your tibia would be an example of what movement around the ankle joint?

Lifting your toes up towards your tibia would be an example of what movement around the ankle joint? NAME: TEST 1 ANATOMY IN SPORT SCIENCE: SEMESTER 2, 2016 TOTAL MARKS = 72 Total: /72 marks Percentage: Grade: TERMINOLOGY: The structures that connect bone to bone are called: The hip joint is to the shoulder