The water-park ride consists of a sled of weight W which slides from rest down the incline and then into the pool. If the frictional resistance on the incline is Fr] and in the pool for a short distance is Fr2, determine how fast the sled is traveling when s = $2. Given: W = 8000 N Fr1 = 300 N Fr2 = 800 N s2 = 1 m a = 20 m b = 20 m m g = 9.81

The water-park ride consists of a sled of weight W which slides from rest down the incline and then into the pool. If the frictional resistance on the incline is Fr] and in the pool for a short distance is Fr2, determine how fast the sled is traveling when s = $2. Given: W = 8000 N Fr1 = 300 N Fr2 = 800 N s2 = 1 m a = 20 m b = 20 m m g = 9.81

International Edition---engineering Mechanics: Statics, 4th Edition

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ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.35P: The weight of the cylindrical tank is negligible in comparison to the weight of water it contains...

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Free Body Diagram

The system of forces acting on a body tends to either rotate it or make the body undergo motion. In general, when an external agent exerts a force on a body, the body undergoes translational motion and rotational motion. The body has six degrees of freedom under the influence of that force. Here, three degrees of freedom are from the translational motion while the other three are from the rotation motion. However, sometimes the bodies are not allowed to undergo any motion and are fixed, under such conditions the body is said to be constrained.

Question

Problem 13-11

The water-park ride consists of a sled of weight W which slides from rest down the
incline and then into the pool. If the frictional resistance on the incline is Fr] and in
the pool for a short distance is Fr-2, determine how fast the sled is traveling when s =
s2.
Given:
W = 8000 N
Fr1 = 300 N
Fr2
800 N
s2 = 1 m
a = 20 m
b = 20 m
g = 9.81

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