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(15 A block of mass M = 10 kg is pulled along a horizontal fric- tionless surface by a rope of mass m = 2.0 kg, as shown in Fig. 5-26. A horizontal force F acts on one Figure 5-26 Problem 15. e end of the rope, with magnitude 24 N. (a) Show that the rope must sag, even if only by an impercepti- ble amount. Then, assuming that the sag is negligible, find (b) the :- acceleration of rope and block, (c) the force on the block from the rope, and (d) the tension in the rope at its midpoint.

(15 A block of mass M = 10 kg is pulled along a horizontal fric- tionless surface by a rope of mass m = 2.0 kg, as shown in Fig. 5-26. A horizontal force F acts on one Figure 5-26 Problem 15. e end of the rope, with magnitude 24 N. (a) Show that the rope must sag, even if only by an impercepti- ble amount. Then, assuming that the sag is negligible, find (b) the :- acceleration of rope and block, (c) the force on the block from the rope, and (d) the tension in the rope at its midpoint.

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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Please problem .15
3.00r j) m/s, with time t in seconds. At the instant the net force e from frictionless pulleys. Block B on a frictionless table: the masses are ma = 4.00 kg, mg = 9.00 kg, and mc= 12.0 kg. When the blocks are released, what is the tension in the cord at the right? quired Figure 5-24 Problem 12. e with ne (a) ce on direc- 13 In Fig. 5-25, two blocks are in con- tact on a frictionless table. A horizontal force is applied to the larger block. (a) If m1 = 3.6 kg, m, = 1.8 kg. and F= 5.0 N, find the magnitude of the force between the two blocks. (b) What is that block-on- block magnitude if a force of the same magnitude F is applied to the smaller olOck but in the opposite direction? (c) Explain the difference. 14 The velocity of a 5.00 kg particle is given by v = con- es is Figure 5-25 Problem 13. rcel- rces (8.00ri + the particle has a magnitude of 45 0 N, what are the direction (relative to the positive direction of the x axis) of (a) the net force and (b) the particle's direction of travel? blod 1o o A block of mass M= 10 kg is pulled along a horizontal fric- tionless surface by a rope of mass m=2.0 kg, as shown in Fig. 5-26. A horizontal force F acts on one క F e end of the rope, with magnitude 24 N. (a) Show that the rope must sag, even if only by an impercepti- ble amount. Then, assuming that the sag is negligible, find (b) the acceleration of rope and block, (c) the force on the block from the rope, and (d) the tension in the rope at its midpoint. Figure 5-26 Problem 15. 16 Figure 5-27 gives, as a function of time t, the force component F. that acts on a 5.0 kg food box that can move only along the x axis. At t = 0, the box is moving in the positive direction of the axis with a speed of 4.5 m/s. What are its (a) speed and (b) direction of travel at t = 11 s? F, (N) 4 10 -4 Figure em 16. 17 An 89.0 kg thief drop above the patio. He neg 2.00 cm to stop. (a) Wh e patio his kn age acce
Transcribed Image Text:3.00r j) m/s, with time t in seconds. At the instant the net force e from frictionless pulleys. Block B on a frictionless table: the masses are ma = 4.00 kg, mg = 9.00 kg, and mc= 12.0 kg. When the blocks are released, what is the tension in the cord at the right? quired Figure 5-24 Problem 12. e with ne (a) ce on direc- 13 In Fig. 5-25, two blocks are in con- tact on a frictionless table. A horizontal force is applied to the larger block. (a) If m1 = 3.6 kg, m, = 1.8 kg. and F= 5.0 N, find the magnitude of the force between the two blocks. (b) What is that block-on- block magnitude if a force of the same magnitude F is applied to the smaller olOck but in the opposite direction? (c) Explain the difference. 14 The velocity of a 5.00 kg particle is given by v = con- es is Figure 5-25 Problem 13. rcel- rces (8.00ri + the particle has a magnitude of 45 0 N, what are the direction (relative to the positive direction of the x axis) of (a) the net force and (b) the particle's direction of travel? blod 1o o A block of mass M= 10 kg is pulled along a horizontal fric- tionless surface by a rope of mass m=2.0 kg, as shown in Fig. 5-26. A horizontal force F acts on one క F e end of the rope, with magnitude 24 N. (a) Show that the rope must sag, even if only by an impercepti- ble amount. Then, assuming that the sag is negligible, find (b) the acceleration of rope and block, (c) the force on the block from the rope, and (d) the tension in the rope at its midpoint. Figure 5-26 Problem 15. 16 Figure 5-27 gives, as a function of time t, the force component F. that acts on a 5.0 kg food box that can move only along the x axis. At t = 0, the box is moving in the positive direction of the axis with a speed of 4.5 m/s. What are its (a) speed and (b) direction of travel at t = 11 s? F, (N) 4 10 -4 Figure em 16. 17 An 89.0 kg thief drop above the patio. He neg 2.00 cm to stop. (a) Wh e patio his kn age acce
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