____________ Mechanical Equilibrium Exercises 2.1 Force (pages 13–14) pull push 1. A force is a or a . motion of an 2. A force is needed to change the state of object. 3. Is the following sentence true or false? If an object is sliding on ice‚ it will true continue sliding until a force slows it down. 4. Define net force. the combination of all forces acting on an object Applied Forces d 5. 6. 7. 8. a b c Net Force 5 N to the right and 5 N to the left 4 N to
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Vectors‚ Forces‚ and Equilibrium 1.1 Purpose The purpose of this experiment is to give you a qualitative and quantitative feel for vectors and forces in equilibrium. 1.2 Introduction An object that is not accelerating falls into one of three categories: • The object is static and is subjected to a number of different forces which cancel each other out. • The object is static and is not being subjected to any forces. (This is unlikely since all objects are subject to the force of gravity
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there is a constant relationship between these forces. Lift is the upward force created by the effect of airflow as it passes over and under the wing. The airplane is supported in flight by lift. Weight‚ which opposes lift‚ is caused by the downward pull of gravity. Thrust is the forward force which propels the airplane through the air‚ which varies with the amount of engine power being used. Opposing thrust is drag‚ which is a backward‚ or retarding‚ force which limits the speed of the airplane. I’m
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biomechanics behind a volleyball overhand serve and why we need force‚ acceleration‚ gravity‚ levers and power to produce the most optimum serve. The biomechanics principles are force and motion‚ momentum‚ leverage and fluid mechanics. (http://codysbiomechanisvolleyballblog.blogspot.com.au/) Force and motion. This principal is found mostly in the sprinting and jumping portions of the serve! When the player sprints‚ they exert a force against the ground in an angle. The momentum from the sprint is
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Level One The Use of Force is about a girl who may have Diphtheria‚ but refuses to open her mouth to let the doctor look at her throat. After much struggle‚ emotional and physical‚ the doctor forces her to open her mouth and it turns out she does indeed have the disease. Level Two Setting It’s not actually mentioned‚ but it is implied that it at the Olson’s house‚ a doctor is called to look at the daughter as she is not feeling well. The Characters o The parents are pretty static characters
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Title : Centripetal force Objective To measure the centripetal force for whirling a mass round a horizontal circle and compare the result with the theoretical value given by F = m(2r . Apparatus 12 slotted weights with hanger (0.02kg each) 1 rubber bung with nylon string about 1.5m 1 glass tube about 20cm long 1 triple beam balance 1 meter rule 1 stop watch Several small paper markers Theory When a mass m attached to a string is whirled round a horizontal circle of radius r‚ the
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Buoyant Forces The purpose of this lab is to calculate buoyant forces of objects submerged in water. The first step in the lab was to measure the mass of a metal cylinder‚ which was found to be 100g‚ and then to calculated it’s weight‚ which was .98 newtons. Then next step was to measure the apparent weight of the cylinder when it is completely submerged in a bath of water using the formula Wa=ma*g ‚ this was found to be 88.5grams. Knowing these two numbers‚ the buoyant force that the water
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Porters 5 forces Threat of New Entry: Obesity is a big problem in the United States which is becoming a government and healthcare issue. Weight Watchers has played a role in the development of a new national awareness of healthful eating‚ lifestyles changes‚ and weight control. Weight Watchers International had experienced it biggest threat mostly because of new competition and changes in technology. When the over the counter weightless drug launched it had a drastic effect on their market. Switching
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Science Notes: Fundamental Forces of Nature All forces in nature may be classified into four types. The gravitational force holds together the universe at large‚ plus the atmosphere‚ water‚ and us to the planet Earth. The electromagnetic force governs atomic level phenomena‚ binding electrons to atoms‚ and atoms to one another to form molecules and compounds. The strong nuclear force holds the nucleus together. The fourth force‚ the weak nuclear force‚ is responsible for certain types of nuclear
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Physics notes Force is an agent which produces or tends to produce motion in an object‚ stops or tends to stop ‚ motion of an object Newton’s 1st law of motion: If an object is at rest‚ will remain at rest until or unless an external force act on it. If an object is in motion ‚ it continues its motion until or unless an external force act on it Newton’s 1st law of motion is also called first law of inertia. Inertia: The tendency of an object to resist any change in its state of motion
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