Calculate the mechanical gain of the pedal arm and front sprocket. Since the pedal arm represents an effective radius of seven inches, it is longer than front sprocket's pitch radius = 8.281 inches/2 = 4.1405 inches, so the force on the chain is 7 inches/4.1405 inches = 1.69 times pedal force. Apr 18, 2019 · Force is the "push" or "pull" exerted on an object to make it move or accelerate. Newton's second law of motion describes how force is related to mass and acceleration, and this relationship is used to calculate force. In general, the greater the mass of the object, the greater the force needed to move that object.

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    Problem 4.6 The force F D 8 kN. What is the moment of the force about point P? F x y (7, 2) m (3, 7) m (3, 2) m (8, 5) m P Solution: The angle between the force F and the x axis is Q ˛ D tan 1 5/4 D 51.3° The force can then be written F D 8kN cos˛i sin˛j D 5.00i 6.25j kN The line of action of the j component passes through P, so it exerts ...

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    As a rule the Hinge Force is unknown and we cannot calculate it without applying Newton’s Laws. • One of the ways we tackled the Hinge Force in class is to to represent it as two orthogonal components. H H and H V corresponding to horizontal and vertical components of the Hinge Force respectively. (a) Calculate the magnitude and direction of the force on each foot of the horse in Figure 9.32 (two are on the ground), assuming the center of mass of the horse is midway between the feet. The total mass of the horse and rider is 500kg.

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