A person pushes a box along the ground. The box has the force diagram shown below. Examine the force diagram to answer the following questions: a. Is the box in equilibrium? If so explain how you can tell. If not, explain why not. b. If the person wants the box to move at constant velocity, should they adjust their pushing on the block? If so, explain how they should change their push. If not, explain why they should change nothing about their push. Normal force (ground) Normal force (person) Friction force (ground) Gravity (Earth)

A person pushes a box along the ground. The box has the force diagram shown below. Examine the force diagram to answer the following questions: a. Is the box in equilibrium? If so explain how you can tell. If not, explain why not. b. If the person wants the box to move at constant velocity, should they adjust their pushing on the block? If so, explain how they should change their push. If not, explain why they should change nothing about their push. Normal force (ground) Normal force (person) Friction force (ground) Gravity (Earth)

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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Two blocks, A and B, are connected by a rope. A second rope is connected to block B and a steady, horizontal tension force of T=50 Newtons is applied. The system moves at a constant speed across the ground. Block B experiences a friction force of 10 Newtons. A.Draw and label an appropriate force vector diagram for block B. B.What is the friction force acting on block A?
please answer all 4 parts and type answer please You have a massless spring with a relaxed length of 13.8 cm. (Draw a picture and a free body diagram for the object for parts A and B situation below.) A. If you hang the spring vertically with a 0.92 kg weight on it, the spring is now 17.6 cm long. What is the spring constant k? B. If you set the spring on the ground in a vertical position and set a 1.2 kg weight on top of it, how far is the spring compressed? What is the length of the spring when the weight is on it? C. If you hold the spring in a horizontal orientation, how much would you need to compress it to create a restoring force of 18 N from the spring? D. How much would you need to stretch the spring to get the same 18 N restoring force? Explain.
Use the figure to answer the following questions. A magnet of mass 5.58 kg is suspended from the ceiling by a cord as shown. A large magnet is somewhere off to the right, pulling on the small hanging magnet with a constant force of F = 152.5 N. At what angle theta ?with respect to the vertical does the magnet hang? a. 70.3 degrees b. 19.7 degrees c. 54.0 degrees d. 59.0 degrees Consider the same situation as in the previous problem. This time the magnet has mass 6.70 kg and the force pulling the magnet to the right has magnitude 99.9 N. What is the magnitude of the tension force in the cord? a. 199.6 N b. 292.2 N c. 119.6 N d. 165.6 N
Please include a diagram.
A person pushes a box along the ground. The box has the force diagram shown below. Examine the force diagram to answer the following questions: a. Is the box in equilibrium? If so explain how you can tell. If not, explain why not. b. If the person wants the box to move at constant velocity, should they adjust their pushing on the block? If so, explain how they should change their push. If not, explain why they should change nothing about their push
e1 A double incline is setup with two ramps as shown. The left block has a mass m1, and the right block has a mass m2. The left ramp is rough with kinetic friction coefficient uy and an angle 01. The ramp on the right is frictionless with an angle 02. The pulley is massless and frictionless. Assume the system starts accelerating to the right on initial release. a) In the Space below draw a set of free body diagrams (or a single one if taking that method which is fine) to fully describe all forces in this problem. b) Find an equation for the acceleration of the system.
Part C plot data on the T vs r graph shown below. Draw a best-fit line to the data and calculate the slope of the best fit line Part D use your equation from Part B along with the slope of your best -fit line from part C to calculate the value of m
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A 4.8-m-long rope of mass 1.8 kg hangs from a ceiling.
The previous step focused on friction for horizontal surfaces. As we discussed above, angled surfaces like the wedge below have different considerations. FN = mg cos(0) F₁ = mg F₁ = ? F₁ = ? Fy=mg cos(0) Specifically, we have the following considerations. 1. The normal force is not equal to mg. 2. There is a force acting along the angle of the wedge due to gravity. What is the coefficient of static friction ? Fx = mg sin(0) Let's consider the implications of this type of problem with the following examples. For all of the examples, the box has a mass of 25 kg. Imagine the box is on a surface that allows you to adjust the incline angle, 0. You find the maximum angle where the box remains stationary. That is, at any higher angle, and the box begins to slide. The static friction force at this maximum angle is 150 N. What is the angle 0 (in degrees)? Now you raise the incline to an angle of 60° greater than the angle of maximum static friction found above. At this angle, the box slides…
Please just show work C and D
3. Answer the following question. Put the given, formula, solution and drawing.