![]() Calculate the top speed of the blocks for this force. Show that the speed of the object at point B B B is approximately 8.9 m s − 1 8.9\ m\ s^\,v^2 D = 2.5 × 1 0 − 2 v 2 where v v v is the speed of the blocks. The object slides from point A A A to point B B B and is launched from point B B B with an angle. Īt the instant the object passes point C C C, explain why there is acceleration and yet no work is done. Free Body Diagrams (FBD) are useful aids for representing the relative magnitude and direction of all forces acting upon an object in a given situation. The slide approximates a circular shape at this point.Īir resistance and friction on the object are negligible.ĭraw the free-body diagram of the forces acting on the object as it passes point D D D. Location C C C is the point of contact of the slide with the ground. Point B B B at the end of the slide is 2.0 m m m above the ground level. To find the net force on an object, all the vector forces that act on the object have to be. ![]() As a test, an object is released from point A A A, 6.0 m m m above the ground level. ![]()
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