20°2) Last summer my lawn tractor broke its transmission drive belt, and I had to push it back to mygarage. Assume I pushed the tractor at an angle of 20° to the horizontal and that the tractorweighs 2100 N. Also assume I push it across level ground and that the coefficient of staticfriction (us) is equal to 0.8.Draw the forces acting on the tractor.b. How much force will I need to apply to the tractor to just start it moving?a.

Answered: Image /qna-images/answer/4be4bad8-ec9d-479e-b5e2-ae0fac4c1b5d.jpg

Answered: 2) Last summer my lawn tractor broke…

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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A sled and rider have a total mass of 60.0 kg. They are on a snowy hill. The coefficient of kinetic friction between the sled and the snow is 0.150. The angle of the hill's slope measured upward from the horizontal is 24.0°. What is the acceleration of the rider?Is the acceleration greater, less than, or equal to your result if a more massive rider uses the same sled on the same hill? Explain.
A block of mass 5.00 kg is initially at rest on a horizontal table. A string connects this block to another block of mass m = 2.00 kg that is suspended some distance above the ground. The string runs over a pulley. Ignore the mass of the string and pulley and assume the pulley is frictionless. The table has a coefficient of static friction of 0.48 and a coefficient of kinetic friction of 0.35.a) Draw a free-body diagram for the 5.00 kg block.b) Draw a free-body diagram for the 2.00 kg block.c) Is the system in equilibrium? Answer yes or no and justify your answer.d) If your answer to (c) is YES, what is the tension in the string? OR If your answer to (c) was NO, what is the magnitude of the acceleration of the system?
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A horizontal (F = 12N) force pushes a block weighing (F, = 5.0N) against a vertical wall. The coefficient of static friction between the wall and the block is µg = 0.60, and the coefficient of kinetic friction is µk = 0.40. Assume that the block is not moving initially. %3D a) Draw a free body diagram of the block in the figure. b) What is the normal force (in unit vector notation) on the block from the walI? c) Will the block move? Please give your reason with calculation. d) In unit-vector notation, what is the force on the block from the wall?
D Question 12 A moose pulls a 230-kg sled across a flat surface. The moose is connected to the sled by a rope that is angled 35 degrees from the horizontal direction, and the moose creates a constant tension of 850 N in the rope. Assume that friction between the sled and the ground is negligible. If the moose and sled start out motionless and the moose pulls the sled 19 meters across the ground, when is the moose pulling with the maximum amount of power? At the end. At the start The power is the same the whole time. Question 13 A moose pulls a 205-kg sled across a flat surface. The moose is connected to the sled by a rope that is angled 31.3 degrees from the horizontal direction, and the moose creates a constant tension of 864 N in the rope. Assume that friction between the sled and the ground is negligible. If the moose and sled start out motionless and the moose pulls the sled 33 meters across the ground, what is the final speed of the sled? Answer in m/s, giving the number only,…
A 50.4 N force is applied to keep a blok of 24. 2 N on the side wall. The static and the kinetic friction coefficients are given as 0.60 and 0.40. Assume the blok is relased from stationary state, (.) a. Does the block start to move? b. What force the wall apply to the block?
1. A car of mass 500.0 kg has an initial velocity of 10.0 m/s. This car is about to perform a stunt for an upcoming action movie. While traveling on a horizontal road, it accelerates due to a force F=1500 N parallel to the road. 5 seconds later it reaches the edge of a cliff from where it falls for 50.0 m. At that moment the horizontal force stops existing. You can ignore friction in your calculations. a. Draw a sketch of the problem including all the information that is provided. Hint: You must include a reference frame in your drawing! b. Calculate velocity with which the car jumps the cliff. c. Calculate the gravitational potential energy of the car before and after the fall. d. Calculate the kinetic energy of the car before and after the force is exerted. e. Calculate the work done by force F. f. What are the speed (magnitude of the velocity) and direction with which the car impacts the ground?
0 Select one: a. m 125. N Up the incline 125. N Down the incline OC24.9 N Down the incline 24.9 N Up the incline b. d. A mass is at rest on the incline plane (0 = 56.0°) as shown on the left. The mass is 6.17 kg. The coefficient of kinetic friction between the mass and the plane is 0.674 while the coefficient of static friction between the mass and the plane is 0.736. A rope is attached to the mass as shown and has a tension of 75.0 N. What is the magnitude and direction of the static friction force between the mass and the plane?
25) In a movie stunt, a car leaves an inclined ramp with a speed of 32.0 m/s. The car's mass is 1050 kg and its velocity is 29.0 m/s at the peak of its flight. How high in the air (relative to the location where it left the ramp) is the car at the peak of its flight? Assume that there is no air problem can be done using Kinematics too. g although the v = 32 m/s h = ? m = 1050 kg 0.01 lo ribar a and boa pugi oq anoiudover '01
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Answer Saved Suppose the roller skating woman has a mass of 41.3 kg. Her roller blades have a coefficient of kinetic friction 4g = 0.0306 with respect to the street. She approaches the car, slowing to a speed of v = 6.23 m/s when she touches the car. If the average force she exerts to slow herself down has a magnitude of F = 68.3 N how long does it take for her to come to a stop?

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