Please show all work! on is Required) [10 marks]15. A 1450kg car making a turn on a dry banked highway ramp with an angle of inclinationof 7.5° is experiencing friction. The coefficient of static friction between the tires and theroad is 0.47.a. Draw a Free-Body-Diagram for the car.Assume the car is moving near its maxsafe speed.[2 marks]b. Determine the maximum speed at witch the car can safely negotiate a turn ofradius 2.0x10²m. [5 marks]

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Answered: on is Required) [10 marks] 15. A 1450kg…

Physics for Scientists and Engineers

10th Edition

ISBN:9781337553278

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter5: The Laws Of Motion

Section: Chapter Questions

Problem 10P: Review. The gravitational force exerted on a baseball is Fgj. A pitcher throws the ball with...

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8. A block is at rest on a rough inclined plane and is connected to an object with the same mass as shown. The rope may be considered massless; and the pulley may be considered frictionless. The coeffi- cient of static friction between the block and the plane is us; and the coefficient of kinetic friction is k 0 A. g D. g - Hk sin(0) m a. What is the magnitude of the static frictional force acting on the block? B.m g [1 - sin(0)] C. mg D. mg cos(0) B. g - Hk cos(0) A. m g sin(0) E. mg [1 - cos(0)] b. If the rope were cut between the block and the pulley, what would be the magnitude of the acceleration of the block down the plane? C. g [sin(0) - μ cos(0)] sin(0)] c. If the mass of the suspended object is doubled, what will be the acceleration of the block up the plane? B. g [2 tan(0) - uk sin(0)] D. 2g [μ sin(0) - cos(0)] m E. g [tan (0) A. g [2 - μk sin(0)] C. g [2 cos(0) - μ sin(0)] E. g [2 sin(0) Hk Cos (0)]. -
3. Two blocks with unequal masses, M and m (M> m), are connected by a light, very long string passing over a pulley of negligible mass, as shown in the figure, and then released. Friction is negligible. a. If one of your classmates calculated that, once released, the acceleration of the blocks would be g, '6 without doing any calculations, say whether or not this could be a reasonable value for the acceleration. Draw and label a free body diagram (FBD) for each block. (Be sure your drawings show clearly any information you know about the directions and relative magnitudes of the forces.) Rank the relative magnitudes of all forces in your FBDS. (I'm looking for a single ranking that includes every different force drawn and labeled in both FBDS, separated by , or =.) heavy block: b. light block: relative sizes of all forces in FBDS: C. Use the FBDS from the previous part, and Newton's 2nd Law, to derive an expression (in terms of M, m and g) for the acceleration of the blocks once…
The net external force on the 25.5kg mower is 48.0N. If the force of friction is 22.5N. a. What force F in newtons is the person exerting on the mower? b.Suppose the mower is moving 1.10 m/s when the force F is removed. How fat will the mower go before stopping?
3. A block slides down a frictionless plane having an inclination of = 20.0°. The block starts from rest at the top, and the length of the incline is 2.00 m. a. Draw a free-body diagram of the block. b. Find the acceleration of the block, and c. Its speed when it reaches the bottom of the incline.
5. A mass of 10kg sits on a level surface. One end of the surface is raised until the block begins to slide down the ramp at a constant velocity and angle of 20⁰. c. What is the Normal Force, N? d. What is the Frictional Force, Ff?
To prevent the ladder weighing 600N from sliding down, the man exerts a horizontal force at C. The coefficient of friction at A= 0.2 while surface B is frictionless Find the vertical reaction at Aa. 600N c. 500Nb. 700N d. 800NFind the horizon reaction at Aa. 150N c. 210Nb. 180N d. 120NFind the horizon force exerted by the man at Ca. 533.3N c. 333.3Nb. 667.7N d. 767.6N
Gg
4. The roller coaster 'Scream' at Six Flags Magic Mountain has a vertical circular loop. After a huge 141 ft drop, you enter the bottom of this loop with a radius of 64.0 ft at the ride's top speed of 64.3 mph. If you have a mass of 56.2 kg, calculate the normal force exerted on you by the seat of the coaster. Express your answer in terms of your weight, mg. a. 5.32mg b. -5.32mg с. -3.32mg d. 7.59mg е. 3.32mg
1. For the kinetic friction experiment, derive a formula for the coefficient of kinetic friction µk given that an object on a ramp with angle 0 has constant acceleration a. [Hint: There are three forces involved. Using Newton's 2nd law, what do the forces have to sum to? What is the formula for kinetic friction?]
The block shown is pulled across the rough horizontal surface at a constant speed by the force shown. If m=5 kg, F=11, and 0 = 37°, what is the coefficient of kinetic friction between the block and the surface? consider g = 10 m/s?. m A. 0.3025 B. 0.3525 C. None D. 0.4025
2. A man pushes a crate of mass 70kg along a horizontal floor with a constant horizontal force in an easterly direction. Starting from rest, the trunk. reaches a velocity of 1.5 m/s (E) after 3.0s. The coefficiant of Kinetic friction between the crate and the floor is 0.34. Determine the man's horizontal applied force. Be sure to draw a free body diagram fram and indicate positive direction.
8. Two 14-kg blocks are connected with a light rope pand the system is accelerating at 1.8 m/s°[Right]. The coefficient of kinetic friction between the blocks and the floor is 0.35. A F. a) Calculate the magnitude of the applied force, F,. b) Calculate the tension in the rope between block B and A.

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