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Problem 1 A force of 200 N is exerted at an angle of 30° on the box kept on the floor with the coefficient of static friction of 0.2. Find the force of static friction on the box, when the force F is applied. F=100N Block Problem 2 A machine at a post office sends packages out a chute and down a ramp to be loaded into delivery vehicles. (a) Calculate the acceleration of a box heading down a 10.0°10.0° slope, assuming the coefficient of friction for a parcel on waxed wood is 0.100. (b) Find the angle of the slope down which this box could move at a constant velocity. You can neglect air resistance in both parts. Problem 3 A 76.0-kg person is being pulled away from a burning building as shown in the figure below. Calculate the tension in the two ropes if the person is momentarily motionless. Include a free-body diagram in your solution.

Problem 1 A force of 200 N is exerted at an angle of 30° on the box kept on the floor with the coefficient of static friction of 0.2. Find the force of static friction on the box, when the force F is applied. F=100N Block Problem 2 A machine at a post office sends packages out a chute and down a ramp to be loaded into delivery vehicles. (a) Calculate the acceleration of a box heading down a 10.0°10.0° slope, assuming the coefficient of friction for a parcel on waxed wood is 0.100. (b) Find the angle of the slope down which this box could move at a constant velocity. You can neglect air resistance in both parts. Problem 3 A 76.0-kg person is being pulled away from a burning building as shown in the figure below. Calculate the tension in the two ropes if the person is momentarily motionless. Include a free-body diagram in your solution.

University Physics Volume 1
University Physics Volume 1
18th Edition
ISBN:9781938168277
Author:William Moebs, Samuel J. Ling, Jeff Sanny
Publisher:William Moebs, Samuel J. Ling, Jeff Sanny
Chapter5: Newton's Law Of Motion
Section: Chapter Questions
Problem 23P: While sliding a couch across a floor, Andrea and Jennifer exert forces FA and FJ on the couch....
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Problem 1 A force of 200 N is exerted at an angle of 30° on the box kept on the floor with the coefficient of static friction of 0.2. Find the force of static friction on the box, when the force F is applied. F=100N Block Problem 2 A machine at a post office sends packages out a chute and down a ramp to be loaded into delivery vehicles. (a) Calculate the acceleration of a box heading down a 10.0°10.0° slope, assuming the coefficient of friction for a parcel on waxed wood is 0.100. (b) Find the angle of the slope down which this box could move at a constant velocity. You can neglect air resistance in both parts. Problem 3 A 76.0-kg person is being pulled away from a burning building as shown in the figure below. Calculate the tension in the two ropes if the person is momentarily motionless. Include a free-body diagram in your solution.
Transcribed Image Text:Problem 1 A force of 200 N is exerted at an angle of 30° on the box kept on the floor with the coefficient of static friction of 0.2. Find the force of static friction on the box, when the force F is applied. F=100N Block Problem 2 A machine at a post office sends packages out a chute and down a ramp to be loaded into delivery vehicles. (a) Calculate the acceleration of a box heading down a 10.0°10.0° slope, assuming the coefficient of friction for a parcel on waxed wood is 0.100. (b) Find the angle of the slope down which this box could move at a constant velocity. You can neglect air resistance in both parts. Problem 3 A 76.0-kg person is being pulled away from a burning building as shown in the figure below. Calculate the tension in the two ropes if the person is momentarily motionless. Include a free-body diagram in your solution.
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