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PHYS111 Chapter Notes - Chapter 3-7: Net Force

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School
University of Waterloo
Department
Physics
Course
PHYS111
Professor
Steven

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Document Summary

50. 0 n that acts upward at an angle of 30 to the floor. a. What is the force that actually pulls the box along the floor? (43. 3 n) b. What is the force of friction that opposes the motion? (43. 3 n) c. What is the force of friction acting on the bottom of the trunk? (470 n) b. An object weighing 15 n is thrown forward on the ice with a speed of 20 m/s and after 5. 0 s it has only half its original speed.

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Physics: Principles with Applications
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ISBN: 9780321625922

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Related Questions

A 1.00 × 103-N crate is being pushed across a level floor at a constant speed by a force F of 3.00 × 102 N at an angle of 20.0° below the horizontal, as shown in Figure P4.23a. (a) What is the coefficient of kinetic friction between the crate and the floor? (b) If the 3.00 × 102-N force is instead pulling the block at an angle of 20.0° above the horizontal, as shown in Figure P4.23b, what will be the acceleration of the crate? Assume that the coefficient of friction is the same as that found in part (a)

.

Chapter 4, Problem 23P, A 1.00 103-N crate is being pushed across a level floor at a constant speed by a force F of 3.00

A 1.00 × 103-N crate is being pushed across a level floor at a constant speed by a force F of 3.00 × 102 N at an angle of 20.0° below the horizontal, as shown in Figure P4.23a. (a) What is the coefficient of kinetic friction between the crate and the floor? (b) If the 3.00 × 102-N force is instead pulling the block at an angle of 20.0° above the horizontal, as shown in Figure P4.23b, what will be the acceleration of the crate? Assume that the coefficient of friction is the same as that found in part (a)

.

Chapter 4, Problem 23P, A 1.00 103-N crate is being pushed across a level floor at a constant speed by a force F of 3.00

A 1000 N crate is being pushed across a level floor at a constantspeed by a force F of 500 N at an angle of 20° below thehorizontal

(a) What is the coefficient of kinetic friction between the crateand the floor?
(b) If the 500 N force is instead pulling the block at an angle of20° above the horizontal as shown in Figure P4.37b, what will bethe acceleration of the crate. Assume that the coefficient offriction is the same as found in (a).