Physics for Scientists and Engineers
6th Edition
ISBN: 9781429281843
Author: Tipler
Publisher: MAC HIGHER
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Chapter 12, Problem 62P
To determine
The coefficient of friction
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the center of gravity of the crate is at a height of 3.5ft and a distance 1.5ft from the forward edge as shown. the crate weighs 300lbf. what is the maximum coefficient of friction μ between the ground and the crate, to be able to slide the crate without tipping it over
One and of a uniform 3.30-m-long rod of weight w is supported by a cable at an angle of 8-37 with the rod. The other end rests against a wall, where it is held by friction (see figure). The
coefficient of static friction between the wait and the rod is ,-0.525. Determine the minimum distance from point A at which an additional weight w (the same as the weight of the rod) can
be hung without causing the rod to slip at point A
275
x
Your response differs from the correct answer by more than 10% Double check your calculations, m
Subnd Arower
The coefficient of static friction between the rubber eraser of the pencil and the tabletop is μs = 0.80. If the force F → is applied along the axis of the pencil, as shown below, what is the minimum angle at which the pencil can stand without slipping? Ignore the weight of the pencil.
Chapter 12 Solutions
Physics for Scientists and Engineers
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Ch. 12 - Prob. 11PCh. 12 - Prob. 12PCh. 12 - Prob. 13PCh. 12 - Prob. 14PCh. 12 - Prob. 15PCh. 12 - Prob. 16PCh. 12 - Prob. 17PCh. 12 - Prob. 18PCh. 12 - Prob. 19PCh. 12 - Prob. 20PCh. 12 - Prob. 21PCh. 12 - Prob. 22PCh. 12 - Prob. 23PCh. 12 - Prob. 24PCh. 12 - Prob. 25PCh. 12 - Prob. 26PCh. 12 - Prob. 27PCh. 12 - Prob. 28PCh. 12 - Prob. 29PCh. 12 - Prob. 30PCh. 12 - Prob. 31PCh. 12 - Prob. 32PCh. 12 - Prob. 33PCh. 12 - Prob. 34PCh. 12 - Prob. 35PCh. 12 - Prob. 36PCh. 12 - Prob. 37PCh. 12 - Prob. 38PCh. 12 - Prob. 39PCh. 12 - Prob. 40PCh. 12 - Prob. 41PCh. 12 - Prob. 42PCh. 12 - Prob. 43PCh. 12 - Prob. 44PCh. 12 - Prob. 45PCh. 12 - Prob. 46PCh. 12 - Prob. 47PCh. 12 - Prob. 48PCh. 12 - Prob. 49PCh. 12 - Prob. 50PCh. 12 - Prob. 51PCh. 12 - Prob. 52PCh. 12 - Prob. 53PCh. 12 - Prob. 54PCh. 12 - Prob. 55PCh. 12 - Prob. 56PCh. 12 - Prob. 57PCh. 12 - Prob. 58PCh. 12 - Prob. 59PCh. 12 - Prob. 60PCh. 12 - Prob. 61PCh. 12 - Prob. 62PCh. 12 - Prob. 63PCh. 12 - Prob. 64PCh. 12 - Prob. 65PCh. 12 - Prob. 66PCh. 12 - Prob. 67PCh. 12 - Prob. 68PCh. 12 - Prob. 69PCh. 12 - Prob. 70PCh. 12 - Prob. 72PCh. 12 - Prob. 73PCh. 12 - Prob. 74PCh. 12 - Prob. 75PCh. 12 - Prob. 76P
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- HER A man holds a 175-N ball in his hand, with the forearm horizontal (see the drawing). He can support the ball in this position because of the flexor muscle force M, which is applied perpendicular to the forearm. The forearm weighs 21.4 N and has a center of gravity as indicated. Upper am bone Flexor muscle cing fc Elbow joint 89) 00510 m r 0.0890 m 0.330 m- (a) Find the magnitude of M 1149 X N (b) Find the magnitude and direction of the force applied by the upper arm bone to the forearm at the elbow joint. magnitude direction downward Additional Materials Book ??TO MacBook Ait 7.arrow_forwardA 10 m long ladder with mass of 20 kg rests against a smooth wall at height of 8 m at an inclination a to the rough ground floor. Assuming that there is no friction between the wall and the ladder, but there is a frictional force between the floor and the ladder. (a) Determine the minimum static coefficient of friction, 4 between the floor and the ladder for which equilibrium is possible. (b) A worker of mass 80 kg climbs up the ladder. Determine how far the worker may go up before the ladder starts to slip. (c) By comparing between frictional force of floor and wall, determine whether a worker can climb safely to the top of the ladder or not.arrow_forwardOne end of a uniform - 3.60-m-long rod of weight w is supported by a cable at an angle of 6-37° with the rod. The other end rests against a wall, where it is held by friction (see figure). The coefficient of static friction between the wall and the rod is,-0.460. Determine the minimum distance x from point A at which an additional weight w (the same as the weight of the rod) can be hung without causing the rod to slip at point Aarrow_forward
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- The 50-kg homogenous smooth sphere rests on the 300 incline A and bears against the smooth vertical wall. Calculate the contact forces at A and at B, label as RA and RB respectively, using (a) triangle method (b) Component method: force equations (1st condition of equilibrium (c) 1st and 2nd conditions of equilibriumarrow_forwardThe ladder and the person weigh 50 lb and 160 lb, respectively. The center ofmass of the 10-ft ladder is at its midpoint. The coefficient of static frictionbetween the ladder and the floor is 0.70. What is the largest value of the angle alpha for which the person could climb to the top of the ladder without it slipping?arrow_forwardA ladder of length L and mass M leans against a wall. The wall is frictionless, but the floor is not. The ladder makes an angle 0 with the wall, as shown. Assume the ladder does not slip. Ladder The magnitude of the normal force on the ladder by the floor is:arrow_forward
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