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A block of 2.0 kg mass slides on a rough horizontal surface. A force P=7.2 N is applied to the block as shown. The magnitude of the block's acceleration is 1.5 m/s. What is the magnitude of the friction force acting on the object? P A. 2.46 N C. 2.72 N B. 2.98 N D. 3.24 N 2.0 kg

A block of 2.0 kg mass slides on a rough horizontal surface. A force P=7.2 N is applied to the block as shown. The magnitude of the block's acceleration is 1.5 m/s. What is the magnitude of the friction force acting on the object? P A. 2.46 N C. 2.72 N B. 2.98 N D. 3.24 N 2.0 kg

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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The figure shows the total acceleration a = 14 m/s of a particle moving clockwise in a circle of 2.50 m radius at a certain instant of time. For that instant, find the magnitude of the radial acceleration of the particle. A. 12.12 m/s2 B. 8.66 m/s² C. 10.40 m/s² D. 13.86 m/s² : A tire of 0.50 m radius rotates at a constant rate of 170 rev/min. Find the speed of a small stone lodged on the outer edge of the tire. A. 8.37 m/s B. 9.42 m/s C. 7.85 m/s 23: Two forces F₁ and F₂ act on a 10.0 kg object as shown. Taking F₁ = 8.0 N and F₂-6.0 N, find the magnitude of the acceleration of the object. A. 2.50 m/s² C. 1.00 m/s² B. 5.00 m/s² D. 1.25 m/s² Q4: Two blocks of masses m₁ = 2.0 kg and m₂ = 1.0 kg are placed in contact with each other on a frictionless, horizontal surface. A constant horizontal force F = 36 N is applied to m, as shown. Find the magnitude of the contact force between the two blocks. A. 12 N C. 8 N B. 14 N D. 10 N D. 8.90 m/s B. 2.98 N D. 3.24 N F 52 A ball of mass m 1.0 kg and a block of mass m₂ -3.0 kg are attached by a light weight cord that passes over a frictionless pulley of negligible mass as shown. The block lies on a frictionless incline of angle 9 = 33°. Find the magnitude of the acceleration of the two objects. A. 1.23 m/s² B. 1.55 m/s² C. 1.87 m/s² D. 2.18 m/s² B A block of 2.0 kg mass slides on a rough horizontal surface. A force P=7.2 N is applied to the block as shown. The magnitude of the block's acceleration is 1.5 m/s². What is the magnitude of the friction force acting on the object? P A. 2.46 N C. 2.72 N 2.0 kg
Transcribed Image Text:The figure shows the total acceleration a = 14 m/s of a particle moving clockwise in a circle of 2.50 m radius at a certain instant of time. For that instant, find the magnitude of the radial acceleration of the particle. A. 12.12 m/s2 B. 8.66 m/s² C. 10.40 m/s² D. 13.86 m/s² : A tire of 0.50 m radius rotates at a constant rate of 170 rev/min. Find the speed of a small stone lodged on the outer edge of the tire. A. 8.37 m/s B. 9.42 m/s C. 7.85 m/s 23: Two forces F₁ and F₂ act on a 10.0 kg object as shown. Taking F₁ = 8.0 N and F₂-6.0 N, find the magnitude of the acceleration of the object. A. 2.50 m/s² C. 1.00 m/s² B. 5.00 m/s² D. 1.25 m/s² Q4: Two blocks of masses m₁ = 2.0 kg and m₂ = 1.0 kg are placed in contact with each other on a frictionless, horizontal surface. A constant horizontal force F = 36 N is applied to m, as shown. Find the magnitude of the contact force between the two blocks. A. 12 N C. 8 N B. 14 N D. 10 N D. 8.90 m/s B. 2.98 N D. 3.24 N F 52 A ball of mass m 1.0 kg and a block of mass m₂ -3.0 kg are attached by a light weight cord that passes over a frictionless pulley of negligible mass as shown. The block lies on a frictionless incline of angle 9 = 33°. Find the magnitude of the acceleration of the two objects. A. 1.23 m/s² B. 1.55 m/s² C. 1.87 m/s² D. 2.18 m/s² B A block of 2.0 kg mass slides on a rough horizontal surface. A force P=7.2 N is applied to the block as shown. The magnitude of the block's acceleration is 1.5 m/s². What is the magnitude of the friction force acting on the object? P A. 2.46 N C. 2.72 N 2.0 kg
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