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∙ 2011-07-01 12:20:06
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How is a pulley important?
Pulleys are used to change the direction of an applied force, transmit rotational motion, or realize a mechanical advantage in either a linear or rotational system of motion.
What do you use to convert linear motion to circular motion?
there are probably many ways. rack and pinion, even a roller or wheel on a board or flat surface. a string wound around a pulley even a crankshaft and con rod to some extent does.
How do you use the rotational motion of a wheel to charge a battery?
Start the engine up. The engine will rotate the pulley on the alternator and charge the battery.
Why do pulleys have arms?
To suspend them away from any nearby surface, thus avoiding unwanted friction which would restrict the pulley's rotational motion.
How does the force applied to a pulley affect its motion?
force applied to a pulley
How does a force change an objects motion?
a pulley
How does force change a objects motion?
a pulley
Why should the friction in the pulley the mass of the string and the rotational inertia of the pulley be all small?
Because then you don't have to include those things in your equation when you're working out the answer.
Why is a pulley important?
A pulley, is a mechanism composed of a wheel on an axle that may have a groove between two flanges around its circumference. A rope, cable, belt, or chain usually runs over the wheel and inside the groove, if present. Pulleys are important and useful because its used to change the direction of an applied force, transmit rotational motion, or realize a mechanical advantage.
What is the function of crank pulley?
A crank pulley also known as a crankshaft pulley is an essential part of a car. It transmits the mechanical power and torque, or the force of motion, through the pulley system to additional car elements.
How is a fixed pulley different from a movable pulley?
A fixed pulley is different from a movable pulley because a movable pulley has one end of the rope attached to it fixed on an unmoving object. The pulley is free to move with the rope. You pull the other end of the rope. Also, a movable pulley multiplies the applied force (effort force) and therefore has more mechanical advantage. A fixed pulley is attached to something that doesn't move, while one end of the rope is holding the weight, while the other is for pulling.A fixed pulley confers no mechanical advantage, but will convert motion in one direction into another direction.A movable pulley system, if the pulleys change their distance from each other, will confer a mechanical advantage.
Does a movable pulley changes the direction of force?
Simple Answer:A movable pulley is a class 2 pulley and does not change the direction of the force applied to the object to be moved.Explanation:A simple pulley may be arranged so the force is applied in the direction of motion of the object that is moved or in the opposite direction.A simple pulley with one wheel may be a class 1 or class 2.For a class 1 pulley, the pulley stationary and the force applied to the rope is in the opposite direction as the movement of the object.For a class 2 pulley, the pulley is attached to the moving object and the force applied to the rope is in the same direction as the motion of the object.A compound pulley, consisting of an arrangement of more than one simple pulley, provides many other possibilities with the direction of force either the same direction or the opposite direction of the motion of the object being moved.
