7) Two people push on a box with a mass of 40.0 kg, shown here as viewed from above. Force F₁ has amagnitude of 120.0 N and a direction of 34.0° as measured from the x axis. Force F2 has a magnitude thatis unknown, and is directed at an angle of -20.0° from the x axis. The box starts from rest and moves 50.0meters along the x axis in 8.00 seconds. Find the magnitude of force F2 and find the coefficient of kineticfriction between the box and the floor. (Credit will only be given to a solution with free body diagram andstarting with basic equation)

Answered: Image /qna-images/answer/73b76be9-24f3-4ec3-888c-656d6c00f38e.jpg

Answered: 7) Two people push on a box with a mass…

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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3:31 4 M M 令l docs.google.com/forms (2 O Option 3 O Option 4 A block of mass m -1 kg is found on an inclined plane that makes an angle 30° with the horizontal. The coefficient of static friction and coef- ficient of kinetic friction between the block and the incline are: H. = 0.6 and - 0.5. Take the positive di- rection to be up the inclined plane With the block initially at rest, the acceleration of the block is a = -9.33 a = 0.66 O Option 4 O Option 2 a = 0 a = -0,66 O Option 1 O Option 3 With the block initially moving up the inclined, the acceleration is: a = 0,66 a = -9.33 O Option 2 O Option 4 a = -0,66 a = 0
The forces F1 and F2 Where F1=(-8i+8j-4k)N anf F2=(-4i-4j-2k)N , act through the point A with positive vector (i-2j-3k)m .A third force F3=(18i-6j+9k)N acts through the point B with position vector (-i-4j-4k)m i)Show that the system of the three forces F1,F2 and F3 is equivalent to a single force F and find F With detailed steps please
Block 1 (10 kg) is pulled by a rope from left to right up a ramp which is inclined 50 degrees from the horizontal. The rope pulls on block 1 with a force of 150 N parallel to the surface of the inclined plane. The coefficient of kinetic friction between the block and the surface equals 0.3. Weight force on block 1 by EarthW1E = Tension force on block 1 by RopeT1R = Normal force on block 1 by SurfaceN1S = Frictional force on block 1 by Surfacef1S = What is the acceleration a of block 1?a =
You are helping your friend move a new refrigerator into his kitchen. You apply a horizontal force of 263 N in the negative x direction to try and move the 53 kg refrigerator. The coefficient of static friction is 0.70. (a) How much static frictional force does the floor exert on the refrigerator? Give both magnitude (in N) and direction. magnitude N direction -Select--- ✓ (b) What maximum force (in N) do you need to apply before the refrigerator starts to move? N
Two crates of fruit are released from the top of a ramp inclined at 30 degrees from the horizontal and 4.5 meter long. The two crates consist of an apple crate of mass 20 kg that is placed in front of a watermelon crate of mass 80 kg. The apple crate has a coefficient of friction of 0.20 while the watermelon crate has a coefficient of friction of 0.15. How long does it take the apple crate to reach the bottom of the incline if it needs to travel a distance of 4.5 meters?
Two known forces, F1=2.95 N at 78 degrees above the x-axis and F2=3.55N at 39 degrees below the x-axis are acting upon an object. What is the magnitude of the third force, F3, so that the acceleration of the object is 0?
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A 30.7 kg girl and a 59.8 kg boy are on the surface of a frozen lake, 10.5 m apart. Using a rope, the girl exerts a horizontal 4.20 N force on the boy, pulling him toward her. Calculate the magnitude of the girl's acceleration.
A person of mass m= 80 kg pushes a fridge of mass M = 140 kg across a floor with a constant velocity in the +x hat direction. the interface between the floor and the fridge has coefficients of friction μs = 0.75 and μk= 0.35 What is the force exerted by the fridge on the person? F fridge --> person?
Block 1 (10 kg) is pulled by a rope from left to right up a ramp which is inclined 50 degrees from the horizontal. The rope pulls on block 1 with a force of 150 N parallel to the surface of the inclined plane. The coefficient of kinetic friction between the block and the surface equals 0.3. Weight force on block 1 by EarthW1E = i + j N Tension force on block 1 by RopeT1R = i + j N Normal force on block 1 by SurfaceN1S = i + j N Frictional force on block 1 by Surfacef1S = i + j N What is the acceleration a of block 1?a = i + j m/s2

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