Physics For Scientists And Engineers
6th Edition
ISBN: 9781429201247
Author: Paul A. Tipler, Gene Mosca
Publisher: W. H. Freeman
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Chapter 4, Problem 70P
To determine
The magnitude of the force
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The diagram shows a block of mass m = 2.50 kg resting on a plane inclined at an angle of
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3
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E
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maximum magnitude of applied force =
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The diagram shows the four forces acting on the block: an applied force F₁ acting up the
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the block to move up the slope.
Find the the maximum magnitude of the applied force F₁ that can be exerted if the block
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Block A, with a mass of 10 kg, rests on a 35° incline. The coefficient of static friction is 0.40. An attached string is parallel to the incline and passes over a massless, frictionless pulley at the top. The largest mass of block B,
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Chapter 4 Solutions
Physics For Scientists And Engineers
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- A particle of mass 6 kg is placed on a rough plane inclined at an angle a to the horizontal where sin a = 0.8. The coefficient of friction between the particle and the plane is 0.4. An upward force PN actson the particle along a line of greatest slope of the plane. Find the greatest value of Parrow_forwardA body lies on a horizontal surface. The coefficient of friction between the body and the surface is k. Determine the angle α, at which the force acting to the body and causing its movement is the least.arrow_forwardA block of mass m= 18.0 kg is held in place by a string on a frictionless plane inclined at an angle 270 . Find the tension in the string and the normal force exerted on the block by the plane. If friction is present, what is now the tension in the string if coefficient of static friction is equal to 0.3 and the block starts to slide down the plane?arrow_forward
- The diagram shows a block of mass m = 3.50 kg resting on a plane inclined at an angle of 0 = 40° to the horizontal. The coefficient of static friction between the block and the plane is μstatic = 0.30, and the block is stationary but just on the point of sliding down the slope. Ff F₁ 3 mg N 0 The diagram shows the four forces acting on the block: an applied force F₁ acting perpendicular to the slope (in the -y direction), the block's weight mg, the normal reaction force N and the force of static friction, Ff. In this case, the force of static friction acts up the slope, opposing the tendency of the block to move down the slope. Find the the minimum magnitude of the applied force F₁ that can be exerted if the block is to remain stationary. Specify your answer by entering a number into the empty box below.arrow_forwardThe wedge supports a mass m and between them there is a coefficient of friction µk. The wedge with the floor is frictionless. For the wedge to slide to the right, the inequality must be fulfilled:arrow_forwardA block weighing 200 N rests on a plane inclined upward tothe right at a slope of 4 vertical to 3 horizontal, The block isconnected to a cable Initially parallel to the plane, passingthrough the pulley and connected to another block weighing100 N moving vertically downward. The coefficient of kineticfriction between the 200 N block and the inclined plane is 0.10.Compute the tension and its acceleration.arrow_forward
- The figure shows an overhead view of a 0.026 kg lemon half and two of the three horizontal forces that act on it as it is on a frictionless table. Force F has a magnitude of 3N and is at e, - 31. Force F2 has a magnitude of 10 N and is at 02- 33". In unit-vector notation, what is t third force if the lemon half (a) is stationary, (b) has the constant velocity V (137-14) m (12h- 14) m/s?, where t is time? %3D and (c) has the V = %3Darrow_forwardblock A, with a mass of 10 kg, rests on a 30° incline. The coefficient of kinetic friction is 0.20. The attached string is parallel to the incline and passes over a massless, frictionless pulley at the top. Block B, with a mass of 8.0 kg, is attached to the dangling end of the string. The acceleration of B is:arrow_forwardA crate of mass m moves up an inclined plane under the action of the force F, with constant speed v. Find the coefficient of kinetic friction between the crate and the surface ( M).arrow_forward
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