Save Ans A robot pushes a 20-kg box on the horizontal surface as part of the moving job, the force is 35 N to the left shown. The box does not move. The coefficients of friction between the floor and box are us = 0.75 and uk = 0.40. What is the magnitude of the friction force on the box, in Newtons? Useg = 10 m/s?. Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement. Inl
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- 1. A man pulls a crate with a rope. The crate slides along the floor in the horizontal direction (x direction). The man exerts a force of 50 N on the rope, and the rope is at an angle . Describe how the force components change as the angle increases from 0° to 90° and use your graph to explain your answer. Give a detailed explanation of the forces at 0 = 0°,45°, and 90°. Show a sample calculation at one angle for both components.A block of mass 3.7 kg is stationary on a horizontal surface. The coefficient of static friction, µg= 0.25. Calculate the magnitude of the maximum possible static friction force, in N, which can be generated, if an external force is applied to the block. Use 2 s.f. in your answer. L. FN +X F f. W = mgBoxes A and B are connected to each end of a light vertical rope, as shown in the following figure. A constant upward force 80.0 N is applied to box A. Starting from rest, box B descends 11.5 m in 4.50 s. The tension in the rope connecting the two boxes is 32.0 N (Figure 1). Figure F A B 1 of 1 Part A What is the mass of box B? Express your answer with the appropriate units. MB = Submit Part B mA = Submit μA Provide Feedback Value Request Answer What is the mass of box A? Express your answer with the appropriate units. μA Value → Request Answer Units Units ? ?
- Please look at the picture to be able to answer the following questions. Question 1: If FT is the force of tension in one side of the line, which of the following represents the total force of the line on the woman in the y direction? a. FT sin θ b. 2 FT cos θ c. FT cos θ d. 2 FT sin θ Question 2: Which of the following is the most useful formulation of Newton's 2nd Law in the y direction? a. mg + 2 FT cos θ = 0 b. mg - 2 FT sin θ = ma y c. mg + 2 FT sin θ = 0 d. mg - 2 FT sin θ = 0 Question 3: What is the magnitude of the tension force in one side of the line? Assume g = 9.8 m/s^2 and answer in N. Please answer all three questions....A block is sliding UP an incline because someone gave it a push a moment ago. The slope of the incline is 10%. The friction coefficient between the block and incline is u the incline is considered the +x direction, what is the acceleration of the block? Please draw a diagram 0.20. If the direction down with all relevant forces.A block weighing 38 kg is on an incline with a slope of 17o. If the block is at the verge of sliding down the incline, what is the static frictional force of resistance? A block weighing 25 kg is on an incline with a slope of 28o. If the block is at the verge of sliding down the incline, what is the static friction coefficient?
- A block is being pulled by the string as shown below. The string has a tension T and makes an angle with the horizontal. A student claims that the kinetic friction is given by μmg where m is the mass of the block and uk is the coefficient of kinetic friction. Is or isn't this expression correct? Explain your reasoning. Hk m T 0Figure shows the velocity graph of a 65 kg student in an elevator. What is the student's apparent weight (magnitude only) at t = 7.0 s, in Newtons? Use g = 10.0 m/s². (Hint: What is the net force?) Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement. Vy (m/s) 8- 4- (s) 10 4. 6. 8.Two 45-kg crates are located on a horizontal ground. Force P is applied to the crate P as shown in the (Figure 1). The coefficient of static friction between each crate and the ground is μ = 0.31. Figure Part A P = Determine the maximum force P that can be applied without causing the crates to move. Express your answer to three significant figures and include the appropriate units. O HÅ B Value Units 30° ? 1 of 1
- A block resting on a plane inclined at an angle 36o from the horizontal is being held in place by steel cables a, b, and c as shown in the figure below. The tension in cable b is 75.0 N. Note that cable a is parallel to the surface of the incline and that cable b is perfectly horizontal. a. determine the normal force N and the force due to gravity ??.b. What is the mass of the block in kilograms?I'm not sure how to start solving this problem.A sled is on a horizontal surface and a rope with tension T is pulling on it at an angle e above the horizontal. The sled had mass M and does not move due to the frictional force. In this case the coefficient of friction is ug. In terms of the variables given and g, what is the magnitude of the frictional force in this case? Select one: O a. Tcose O b. H, Mgsin0 Ос. Tsin® O d. H, Mgcose