Which of the following graphs could represent, to the same scale, the force exerted by the scale on each ball as a function of time? Select an answer for the rubber ball and an answer for the clay ball. F (N) F (N) A) O F (N) 7 (s) D) F (N) 1 (s) в) F (N) 1 (s) E) rubber ball: C) 7 (s) clay ball:

Which of the following graphs could represent, to the same scale, the force exerted by the scale on each ball as a function of time? Select an answer for the rubber ball and an answer for the clay ball. F (N) F (N) A) O F (N) 7 (s) D) F (N) 1 (s) в) F (N) 1 (s) E) rubber ball: C) 7 (s) clay ball:

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter5: Newton's Laws Of Motion

Section: Chapter Questions

Problem 25PQ: The starship Enterprise has its tractor beam locked onto some valuable debris and is trying to pull...

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The starship Enterprise has its tractor beam locked onto some valuable debris and is trying to pull it toward the ship. A Klingon battle cruiser and a Romulan warbird are also trying to recover the item by pulling the debris with their tractor beams as shown in Figure P5.25. a. Given the following magnitudes of the tractor beam forces, find the net force experienced by the debris: FEnt = 7.59 106 N, FRom = 2.53 106 N, and FKling = 8.97 105 N. b. If the debris has a mass of 2549 kg, what is the net acceleration of the debris? FIGURE P5.25
A block with a mass of m = 22 kg rests on a frictionless surface and is subject to two forces acting on it. The first force is directed in the negative x-direction with a magnitude of F1 = 12 N. The second has a magnitude of F2 = 18.25 N and acts on the body at an angle θ = 19° measured from horizontal, as shown. Write an expression for the magnitude of the normal force, FN, acting on the block, in terms of F2, g, and the other variables of the problem. Assume that the surface it rests on is rigid. Write an expression for the component of net force, Fnet,x, in the x-direction, in terms of the variables given in the problem statement. Part (d) Find the block's acceleration in the x-direction, ax, in meters per second squared.
Three people pull simultaneously on a stubborn donkey. Jack pulls directly ahead of the donkey with a force of 77.9 N77.9 N , Jill pulls with 87.1 N87.1 N in a direction 45° to the left, and Jane pulls in a direction 45° to the right with 119 N119 N . (Since the donkey is involved with such uncoordinated people, who can blame it for being stubborn?) Find the magnitude of the net force the people exert on the donkey. magnitude of the net force: NN What is the direction of the net force? Express this as the angle from straight ahead between 0° and 90°, with a positive sign for angles to the left and a negative sign for angles to the right. direction of the net force:
Hi, I have this question answered with the following data: Question: A 8.00-kg object undergoes an acceleration given by = (4.00 î + 9.00 ĵ) m/s2. Find the resultant force acting on the object. Find the magnitude of the resultant force. Given data: Given data: mass (m) = 8.00 kg, acceleration a = (4.00 î + 9.00 ĵ) m/s2 Required: The resultant force and magnitude of the resultant force According to newton's second law of motion F = ma= 8.00 kg(4.00 î + 9.00 ĵ) m/s2= (32.0 î + 72.0 ĵ) N The resultant force acting on the object is (32.0 î + 72.0 ĵ) N [can you please explain to me how do you arrived to the 78.8N] - I don't get it! Thanks The magnitude of the resultant force F = Fx2 + Fy2= 32.0 N2+72.0 N2= 78.79 N≈ 78.8 N The magnitude of the resultant force is equals to 78.8 N
Two blocks of masses m1 = 3 kg and m2 = 4 kg are placed on a frictionless horizontal surface and joined by a robe of negligible mass. A constant horizontal force F = 20 N is applied to m2 as shown in figure. What are the magnitude of the acceleration of the system, the tension in the robe and the normal forces acting on m1 and m2?
A block with a mass of m = 46 kg rests on a frictionless surface and is subject to two forces acting on it. The first force is directed in the negative x-direction with a magnitude of F1 = 10.5 N. The second has a magnitude of F2 = 23.5 N and acts on the body at an angle θ = 23° measured from horizontal, as shown. a) Write an expression for the component of net force, Fnet,x, in the x-direction, in terms of the variables given in the problem statement. b)Write an expression for the magnitude of the normal force, FN, acting on the block, in terms of F2 and the other variables of the problem. Assume that the surface it rests on is rigid. c)Find the block's acceleration in the x-direction, ax, in meters per second squared.
A block with a mass of m = 46 kg rests on a frictionless surface and is subject to two forces acting on it. The first force is directed in the negative x-direction with a magnitude of F1 = 10.5 N. The second has a magnitude of F2 = 23.5 N and acts on the body at an angle θ = 23° measured from horizontal, as shown. a)Write an expression for the component of net force, Fnet,x, in the x-direction, in terms of the variables given in the problem statement. b)Write an expression for the magnitude of the normal force, FN, acting on the block, in terms of F2 and the other variables of the problem. Assume that the surface it rests on is rigid.
There are two forces on the 1.19 kg box in the overhead view of the figure but only one is shown. For F1 = 15.7 N, a = 14.7 m/s2, and θ = 34.1°, find the second force (a) in unit-vector notation and as (b) a magnitude and (c) a direction. (State the direction as a negative angle measured from the +x direction.)
A block with a mass of m = 48 kg rests on a frictionless surface and is subject to two forces acting on it. The first force is directed in the negative x-direction with a magnitude of F1 = 10.5 N. The second has a magnitude of F2 = 21.5 N and acts on the body at an angle θ = 12° measured from horizontal, as shown. 1) Draw the correct free body diagram 2)Write an expression for the component of net force, Fnet,x, in the x-direction, in terms of the variables given in the problem statement. 3)Write an expression for the magnitude of the normal force, FN, acting on the block, in terms of F2, g, and the other variables of the problem. Assume that the surface it rests on is rigid. 4)
A block with a mass of m = 15 kg rests on a frictionless surface and is subject to two forces acting on it. The first force is directed in the negative x-direction with a magnitude of F1 = 9.5 N. The second has a magnitude of F2 = 18 N and acts on the body at an angle θ = 18° measured from horizontal, as shown. 1) Please draw the correct free body diagram. 2)
A block with a mass of m = 16 kg rests on a frictionless surface and is subject to two forces acting on it. The first force is directed in the negative x-direction with a magnitude of F1 = 8.5 N. The second has a magnitude of F2 = 19.5 N and acts on the body at an angle θ = 11° measured from horizontal, as shown. a.) Write an expression for the component of net force, Fnet,x, in the x-direction, in terms of the variables given in the problem statement. b.) Write an expression for the magnitude of the normal force, FN, acting on the block, in terms of F2 and the other variables of the problem. Assume that the surface it rests on is rigid. c.) Find the block's acceleration in the x-direction, ax, in meters per second squared.
A block with a mass of m = 13 kg rests on a frictionless surface and is subject to two forces acting on it. The first force is directed in the negative x-direction with a magnitude of F1 = 9.5 N. The second has a magnitude of F2 = 20.5 N and acts on the body at an angle θ = 12° measured from horizontal Write an expression for the component of net force, Fnet,x, in the x-direction, in terms of the variables given in the problem statement. Write an expression for the magnitude of the normal force, FN, acting on the block, in terms of F2 and the other variables of the problem. Assume that the surface it rests on is rigid. Find the block's acceleration in the x-direction, ax, in meters per second squared.