Centripetal force - Wikipedia, the free encyclopedia
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Centripetal force is a force that makes a body follow a curved path; it is always directed orthogonal to the velocity of the body, toward the instantaneous center of curvature of the path. The term ...
en.wikipedia.org/wiki/Centripetal_force
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When an object is in circular motion, it need centripetal force. ... the gravitational force of the black ball Fg = Mg , provides the centripetal force Fc needed. ... When the radius r is changing, centripetal force Fc = (rmv)2/(mr3)= L2/(mr3) changes ,too.
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www.phy.ntnu.edu.tw/java/circularMotion/circular3D_e.ht...
www.phy.ntnu.edu.tw/java/circularMotion/circular3D_e.html
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For an object to move along a curved path a force must be applied to it. This force only changes the direction, not the speed of the object and is called a CENTRIPETAL FORCE. Note that the direction of the force(and hence the acceleration) is TOWARDS the center of the curve.
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www.exploratorium.edu/xref/phenomena/centripetal_force....
www.exploratorium.edu/xref/phenomena/centripetal_force.html
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(Click to enlarge) centripetal force (Precision Graphics) centripetal force n. The component of force acting on a body in curvilinear motion that is ... Like many other principles in physics, centripetal force ultimately goes back to a few simple precepts relating to the basics of motion. Consider an object in uniform...
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www.answers.com/topic/centripetal-force
www.answers.com/topic/centripetal-force
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Without a net centripetal force, an object cannot travel in circular motion. In fact, if the forces are balanced, then an object in motion continues in motion in a straight line at constant speed. This can be demonstrated by carrying a tennis ball upon a flat, level board.
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www.physicsclassroom.com/mmedia/circmot/cf.html
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centripetal force; Motion along a curve or through a circle is always caused by a centripetal force. This is a force that pushes an object in an inward direction. The moon orbits the earth in a circular motion because a force of gravity pulls on the moon in an inward direction toward the center of its orbit.
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www.learner.org/exhibits/parkphysics/glossary.html
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name Sheri D. status educator age 40s Question - Can you give us a simple explanation, definition and examples of centripetal force for us that our elementary students will be able to understand? We are totally confused with the information that we have read already.
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www.newton.dep.anl.gov/askasci/phy00/phy00349.htm
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For any object undergoing uniform circular motion, the net force towards the center of rotation must have a value equal the centripetal force.
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www.ac.wwu.edu/~vawter/PhysicsNet/Topics/RotationalKine...
www.ac.wwu.edu/~vawter/PhysicsNet/Topics/RotationalKinematics/CentripetalForce.html
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