On a rough surface you want to pull a heavy object of 125 kg, if the coefficient of friction is µk = 0.31, what force would be necessary to move the object at constant speed?

Q: A 80.0 kg mail bag hangs by a vertical rope 3.5 m long. A postal worker then displaces the bag to a…

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Q: A person wants to move a 10kg box to a different location. He pushes the box at a steady 0.5 m/s…

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Q: A truck is travelling at 97 km/h on a slippery road. The driver has to slam on the brakes and the…

A: The objective of the question is to find out the distance the truck will skid before coming to a…

Q: 5.6 kg desk is being pushed along a classroom at a constant speed of 0.5 m/s. If a force of 34 N is…

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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: A tractor is speeding up at 3 m/s/s while pulling a 691 kg sled with a rope at an angle of 23…

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Q: A student uses a force P of magnitude 55 N and angle 0 = 75° to push a 4.0 kg block across the…

A: Given: The mass of the block is m=4 kg. The magnitude of the force is P= 55 N. The angle with the…

Q: A box with with a mass m = 2kg is being pushed up a ramp by an unknown pushing force Fp. The…

A: The free-body diagram is , Given, m=2kg' The velocity is constant so, the acceleration is constant…

Q: You managed to pull a heavy crate up a ramp on a truck. The crate has mass 46 kg. You were pulling…

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Q: am designing a ramp to slide boxes down. The angle of the ramp is 35º. A plastic box massing 30 kg…

A: angle of friction          tanθ=μ if  μ > μs=k  then no slide  μ < μs=k   slide

Q: The coefficient of static friction between a toboggan and dry snow is 0.50. If the toboggan's mass…

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Q: A 91 kg block sliding horizontally across the floor has a coefficient of static friction of us : = =…

A: Given Mass of the block = m = 91 kg Coefficient of static friction = µs = 0.48 Coefficient of…

Q: A circus gymnast hangs from two ropes attached to the ceiling while lowering himself to the floor at…

A: Given: The angle of the first rope with vertical is 28.3°. The tension in the first rope is 352 N.…

Q: A box started at rest but was moved at a speed of 5 m/s. It was pushed 3 meters up a 60° ramp. The…

A: The mass of the box is m = 5.6 kg. The inclination of the plane with the horizontal is θ = 60…

Q: You are pushing a 40 kg sled across some snow with a coefficient of friction of 0.2. How much force…

A: Answer :  The force required to push must be 78.4N .

Q: A constant applied force F, of 15.0 N pushes a box with a mass m = 7.00 kg a distance x = 15.0 m…

A: Given: Applied force Fp=15.0 N. Mass of the block m=7.0 kg. Distance traveled by block x=15.0 m. The…

Q: You managed to pull a heavy crate up a ramp on a truck. The crate has mass 50 kg. You were pulling…

A: Force applied (F)= 480 N Coefficient of kinetic friction (µk)= 0.49 Mass of crate(m)= 50 kg Angle of…

Q: A 1500kg car is driving on the road at a speed of 15 m/s. The driver applies the brakes, bringing…

A: The minimum distance the car needs to travel to stop (braking distance) is given by, d=v22μg Here, v…

Q: You are at the grocery store pushing on a shopping cart. The mass of the cart including all the…

A: Given Data : The mass of the cart is given as mc = 26 Kg. The coefficient of friction between the…

Q: You are pushing a rubber crate against a concrete floor. The two surfaces have a static coefficient…

A: 1) for rubber crate  Limiting friction fL = usmg = 0.66×25×9.81  fL = 161.86 N  Applied force F = 85…

Q: You managed to pull a heavy crate up a ramp on a truck. The crate has mass 47 kg. You were pulling…

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Q: A 12 kg block rests on a 24 degree inclined frictionless surface and is attached by a light string…

A: The situation is shown in the figure                              There are different kind of the…

Q: a girl is pulling her 6.8kg wagon along a horizontal sidewalk. the force exerted by the girl is 17 N…

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Q: horses pull a cart with a total applied force of 1000N. The kinetic friction from the gravel road…

A: Given  Mass of cart, M = 200 kg  Force applied, F = 1000 N  Frictional force, f = 375 N

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

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Q: Somone is standing on a piece of cardboard holding a wire that is attached to a vehicle.  The…

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Q: A Z-Drag is an arrangement of ropes in pulleys often used in rescue situations. Implemented…

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Q: An object is given an initial speed of 5 m/s on a horizontal surface.It slides 10 m on the…

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Q: A desperate hiker has to think fast to help his friend who has fallen below him. Quickly, he ties a…

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Q: Mary applies a force of 80 N to push a box with an acceleration of 0.54 m/s2. When she increases the…

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Q: A horizontal force of magnitude 157 N is used to push a 6.84-kg object up an inclined plane. The…

A: Normal force is the perpendicular force acting on the body by the surface that is a resultant of a…

Q: A horizontal force of 800 N is needed to overcome the force of static friction between a level floor…

A: The magnitude of horizontal force F=800 N The mass of the crate m=200 kg The acceleration due to…

Q: The friction force that a horizontal surface exerts on a 62 kg object is 23 N. If the initial speed…

A: Given data The mass of the object is m = 62 kg. The force applied to the object is F = 23 N. The…

Q: An elevator has a mass of 200kg. An average person has of 40 kg. The elevator must accelerate upward…

A:

Q: You are pushing a box, apply Fa = 90 N.  The box's mass is 25 kg.  The coefficients of friction are…

A: Given- Mass of box ,m =25 kg            Applied force on the box , Fa= 90 N          coefficients of…

Q: A man is walking up a hill inclined at 24 degrees at constant speed while pulling a 23.6 kg box by a…

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Q: Problem 6. A 6.0kg block is placed on top of a 9.0kg block. A horizontal force of 50.0N is applied…

A: a) b) The force applied on the Rope is due to the friction between the two blocks and the friction…

Q: m A box rests on top of a flat bed truck. The box has a mass of m = 20 kg. The coefficient of static…

A: The acceleration of an object is defined as the time rate of change of its velocity, i.e.a=v-utwhere…

Q: A mass is suspended from the ceiling in an elevator by a heavy rope. The mass is 80 kg and the mass…

A: Let, the mass be, M=80 kg The mass of the rope, m=2 kg The maximum tension the rope can experience…

Q: A box of mass m = 20.0 kg is pulled up a ramp that is inclined at an angle 0 = 15.0° angle with…

A: Solution:

Q: A crate with a mass of m=254kg rests on the horizontal deck of a ship. The coefficient of static…

A: The objective of the question is to find the magnitude of the force that must be applied to keep the…

Q: A steel beam is suspended from two ropes as it is lifted to the top of a building at a constant…

A: T1 = 722 N θ1 = 25.2oθ2 = 29.5oLet the mass of beam = m

Q: Mary applies a force of 73 N to push a box with an acceleration of 0.42 m/s2. When she increases the…

A: Using Force balance on box in horizontal direction Fx_net = F_app-Ff Fx_net =m*a(From newton's 2nd…

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: