A documentary shows try to pull a crocodile out of the swamp using a rope at an angle of 300 above the horizontal. How hard the man pulls to keep it moving with constant velocity? Assume that the weight of the crocodile is 500 N, and the coefficient of kinetic friction is equal to 0.4

Q: A car is traveling at 41.0 km/h on a flat highway. (a) If the coefficient of friction between road…

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Q: A child is pulling a red wagon full of toys (total mass is 9.50 kg). His pull is 35 N in magnitude…

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Q: Consider the three forces acting on the box. F1= 20.0N at an angle θ1= 45° measured from the…

A: Given, F1 = 20.0 N at angle θ1= 45°. F2= 5.00 N at an angle θ2= 60°  weight W= 15.0 N, pulling…

Q: An object of mass 4 kg originally suspended by a vertical cord is pulled by a horizontal force until…

A: Write the given data. m=4 kg In this case, if system is at rest then the tension in cord will be…

Q: You go to the playground and slide down the slide, a 3.0-m-long ramp at an angle of 40° with respect…

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Q: You are pulling your luggage at an air port for an international flight. You know not to pack too…

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Q: A car weighing 1202kg accelerates from a stop to 100km/hr in 4.3 sec going up a ramp at an angle of…

A: Given quantities: Mass of the car (m) = 1202 kg initial velocity of car (u) = 0 final velocity of…

Q: A documentary shows tries to pull a crocodile out of the swamp using a rope at an angle of 300 above…

A: The net force acting on the swamp along x axis is, Tcosθ-fk=0Tcosθ-μkN=0Tcosθ=μkN…

Q: A cart coasts at a constant speed of 18.0m/s down a flat inclined road that makes an angle of 3.1°…

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Q: I am travelling along a flat highway at 60mi/hr (26.8 m/s). (a) If the coefficient of friction…

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Q: A man pushes a 47.9 kg crate at an angle of 15 degrees below horizontal. What is the minimum force,…

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Q: You need to push the couch 4 m to the other side of the room.  After the initial push to get it…

A: The coefficient of kinetic friction between the couch and the floor μk=0.6  The mass of the couch…

Q: girl has a 14 kg wagon. If she pushes from behind at an angle of the 30 degrees with a force of 60…

A: girl has a 14 kg wagon. If she pushes from behind at an angle of the 30 degrees with a force of 60…

Q: A car is traveling at 48.0 km/h on a flat highway. If the coefficient of friction between road and…

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Q: On a rough surface you want to pull a heavy object of 125 kg, if the coefficient of friction is µk =…

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Q: A car is traveling at 40.0 km/h on a flat highway. (a) If the coefficient of friction between road…

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Q: A box weighing 980N is pulled along a horizontal surface by means of a cord which is at 25° above…

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Q: A 10 kg box is pulled along a horizontal surface by a force of 40 N applied at a 30 ̊ angle from the…

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Q: An object with a mass m slides down a rough 25° inclined plane where the coefficient of kinetic…

A: Given data: The angle of inclination is, θ = 25o The coefficient of kinetic friction is, µk=0.20…

Q: A car is traveling at 46.0 mi/h on a horizontal highway. (a) If the coefficient of static friction…

A: Given Data: Initial speed of the car (u) = 47 mi/h = 21.0 m/s. Final speed of the car (v) = 0 m/s.…

Q: A man is pulling two boxes, one on top of the other, up the ramp shown by pulling on a rope parallel…

A: We need to find out the magnitude of the maximum acceleration the man can pull the boxes up the ramp…

Q: A M1 =1000-kg car is on a rough ramp that is inclined at θ = 20° above the horizontal. It is…

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Q: The coefficient of friction between a 33kg exercise mat and the gym floor are us = 0.41 and uk =…

A: Givenμs =0.41μk =0.36m =33 kg

Q: A car is traveling at 50.0 km/h on a flat highway. (a) If the coefficient of friction between road…

A: By using Newton’s second law in the horizontal direction We can write, For distance

Q: Problem 10: A horizontal force of magnitude F = 56.6 N pushes on a block of mass m= 5.89 kg. The…

A: Given Data : The mass of the block is given as m = 6.89 Kg. The force acting on the block is given…

Q: A vertebra is subjected to a shearing force of 540 N. Find the shear deformation, taking the…

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Q: A person is dragging a packing crate of mass 74.9 kg across a rough horizontal floor where the…

A: Here given that the person dragged a mass 74.9 kg by a force F at an angle 43° . The kinetic…

Q: A man pushes a box that is on a ramp. The box has a mass of 5 kg and the ramp is at 30° compared to…

A: Given data: -  The mass of the box is m = 5 kg. The angle of the ramp is θ = 30o. The pushing force…

Q: a mass is given an initial velocity v0= 3.4ms up a 15 degree incline.  a) if the coefficient of…

A: Given data: Initial velocity of the mass, vo=3.4 m/s Inclined angle, θ=15o Coefficient of kinetics…

Q: n 80 kg log is sliding along a flat section of ground at constant velocity with a coefficient of…

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Q: A 68 kg crate is dragged across a floor by pulling on a rope attached to the crate and inclined 13°…

A: A crate of mass m=68 kg, is dragged across a floor by pulling on a rope attached to the crate and…

Q: To keep a large crate moving across a rough floor, you push down on it at an angle 8 = 26°. What is…

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Q: Consider a wooden ramp angled 30.1 degrees above horizontal. If a 10.2-kg wooden block is given a…

A: Draw the free-body diagram of the block.

Q: A horizontal force of 12 N pushes a 0.50-kg book against a vertical wall. The book is initially at…

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Q: You are pulling on a box (that has a 5.9 kg mass) by using a rope, pulling upward with a force of…

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Q: A car is traveling at 51.0 km/h on a flat highway. (a) If the coefficient of friction between road…

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Q: A 11 kg block rests on a 26 degree inclined frictionless surface and is attached by a light string…

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Q: A man is driving his car with speed 47.0 mi/h on a horizontal stretch of road. When the road is…

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Q: You are pulling your luggage in an air port for an international flight. You know not to pack too…

A: Force applied(F)= 49 N Angle between force applied and horizontal (A)= 22° Luggage mass(m)=21.6 kg…

Q: The box below has been given an initial velocity of 2.60 m/s directed up the ramp. The angle the…

A: Given that:- Initial velocity of ramp=2.6m/s up the ramp

Q: A 12 kg block sits on a ramp inclined at 11 degrees that has a coefficient of friction of 0.9. A…

A: Let the mass of the suspended weight be m and tension in the string be T.

Q: 1280 kg car pulls a 350 kg trailer. the car exerts a horizontal force of 3.6 x 103 N against the…

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Q: While loading furniture into a truck, you push a 1.56 kg chair up a 14.7 degree ramp, with a…

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Q: The coefficient of static friction between Teflon and scrambled eggs is about 0.029. What is the…

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Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: