Answered: Two dogs pull a 120 kg sled through the…

Two dogs pull a 120 kg sled through the snow during a race. The first dog pulls with a 58 N force while the second contributes 54 N. What is the acceleration of the sled?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter7: Rotational Motion And Gravitation

Section: Chapter Questions

Problem 54AP: A 0.400-kg pendulum bob passes through the lowest part of its path at a speed of 3.00 m/s. (a) What...

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A 0.400-kg pendulum bob passes through the lowest part of its path at a speed of 3.00 m/s. (a) What is the tension in the pendulum cable at this point if the pendulum is 80.0 cm long? (b) When the pendulum reaches its highest point, what angle does the cable make with the vertical? (c) What is the tension in the pendulum cable when the pendulum reaches its highest point?
I have a shelf full of textbookd.Each book has a mass of 1.0 kg and mus=0.3. a. How hard do I need to push horizontally to unstick the top book from the rest of the pile? b. How many books can I unstick from the top of the pile if I push with a force of 16N?
Due to a jaw injury, a patient must wear a strap that produces a net upward force of 5.00 N on his chin. The tension is the same throughout the strap. Q: To what tension must the strap be adjusted to provide the necessary upward force?
can you help me with this?
moodle.nct.eduom/mod/qi -Learning Portal Courses - Reports - e-Services- Academic Departments - ETC - CIMS - A 17kg crate resting on a horizontal surface is pushed as shown. If the coefficient of static friction u, between the surfaces is 0.24, what is the minimum force (F) required to start the motion? O a 4.08N O b. 70.83N Oc 39.98N Od. 694.17N Windows buut An object of mass Skg is sliding with a constant velocity of 10m/s on a frcitionless horizontal table. The force needed to keep the object moving with the same velocity is. 144 4- # 4. 6. V.
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)]. -
HELP! I am new to this so can you please provide an explanation on what this means and show the answer by plugging in the numbers while solving It would help a lot! Thank you!
A 250 gram block on a 30 deg inclined plane is attached by an inextensible string going over a frictionless pulley to a 500 gram hanging weight. The static and kinetic friction coefficients are .25 and .123. While moving, what is the tension ii the connecting string? O 174530 dynes O 121000 dynes O 262400 dynes O 7430 dynes O 42930 dynes
A supermarket pushcart is being pushed at 45 degrees with respect to the horizontal from the starting point to the cashier, which is 25 feet away. The cart is 5kg, it contains 2 boxes of 10-1b flour and seven packs of half-kilogram sugar. The coefficient of friction between the wheels and the floor is 0.03. a. What force is required? b. How much force is required?
A woman who weighs 602 N sits on a chair with her feet on the floor and her arms resting on the chair’s armrests. The chair weighs 100 N. Each armrest exerts an upward force of 25.0 N on her arms. The seat of the chair exerts an upward force of 500 N. a. What force does the floor exert on her feet? Enter your answer as positive for upward direction and negative for downward direction. asnwer in N b. What force does the floor exert on the chair? Enter your answer as positive for upward direction and negative for downward direction. answer in N c. Consider the woman and the chair to be a single system. Let the subscripts be the following: s = woman and chair system, e = Earth, f = floor. Choose the correct FBD for this system that includes only the external forces acting on it. (OPTIONS ATTACHED)
Three blocks are connected by ropes, as depicted in Figure 1. The coefficientof kinetic friction between m1 and m2 is 0.300, and the horizontal surface and pulleys are frictionless. What is the acceleration of the blocks?
A football coach sits on a sled while two of his players build their strength by dragging the sled across the field with ropes. The friction force on the sled is 1400 N and the angle between the two ropes is 50 ●. Assume both players pull with the same force. How hard must each player pull to drag the coach at a steady 2.0 m/s?