A man is pushing a box across an inclined plane with an angle of inclination of 60 degrees away from the horizontal. The box has a mass of 20kg and is moving at a constant speed. The force applied by the person has a magnitude of 250N and the surface of the inclined plane is not frictionless.

Q: A horizontal force of magnitude 151 N is used to push a 5.24-kg object up an inclined plane. The…

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Q: A 53 kg block sliding horizontally across the floor has a coefficient of static friction of us =…

A: Given that:m=53 kgμs=0.42μk=0.26u=4.4 m/sg=9.8 m/s2

Q: The figure shows an overhead view of a 0.025 kg lemon half and two of the three horizontal forces…

A: For the lemon half  to be at stationary , the net force on it should be zero.

Q: A force F, with a magnitude of 18.80 N, acts on an object with a mass of m = 1.03 kg parallel to the…

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Q: A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.855 m/s encounters a rough horizontal…

A: Mass, m = 92.0 kg Speed, v = 0.855 m/s  Length ℓ = 0.65 m Coefficient of kinetic friction, μ = 0.357…

Q: A woman pulls a 20 kg suitcase across a rough pavement with the handle making an angle of 29° with…

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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 horizontal force of 18 N is applied to a 4 kg object standing on the horizontal surface. Since the…

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Q: A 70 kg carte is pulled along a level surface at constant velocity by a constant force of 200N at an…

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Q: person pushes a sled with a constant horizontal 310 N force across a horizontal surface.  The sled…

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Q: A force of 258 N is used to push an object 49.0 m horizontally in 2.45 s. expended by the external…

A: We have givenForce (F)=258 NDistance (d)=49.0 mTime taken (t)=2.45 s

Q: A 100 gram wooden block is placed on an inclined ramp and released from rest. The ramp is tilted at…

A: Given: The mass of the object is 100 g. The coefficient of the static friction force is 0.3. The…

Q: A shopper pushes a 6.4 kg cart at constant of 1.20 m/s speed along a rough horizontal surface by…

A: mass of cart = 6.4 kg constant speed = 1.20 m/s force applied = 21N θ = 38.3o below the horizontal…

Q: A 7 kg block measures 9 cm by 15 cm by 27 cm. When it slides on a 15 cm by 27 cm face, it moves with…

A: The kinetic frictional force is given by, fk=μkN Here,μk  is the coefficient of kinetic friction, N…

Q: A block with an initial velocity of 24 m/s slides along a surface with a friction coefficient of…

A: Given  Initial velocity of block (u) = 24m/s Friction coefficient (μ)= 0.30 Solution : - Newton's…

Q: Given a drag coefficient of 0.42 kg/sec, the magnitude of the drag force (N) on a projectile moving…

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Q: A 1.23-kg box slides up an incline plane with a speed of 8.6 m/s. If the angle of the plane with…

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Q: The 2-kg block is subjected to a force F having a constant direction and a magnitude 100 N When s=4…

A: mass, m = 2 kg  F = 100 N  s = 4 m , u = 8 m/s  s = 12 m  coefficient of friction = 0.25  Angle, A =…

Q: A skier starts from rest has just begun descending a 30 degrees slope. Assuming the coefficient of…

A: Given: Angle (θ) = 30° Coefficient of Kinetic friction (μK) = 0.10 Time (t) = 6 s

Q: A 40 kg wooden crate is being pulled across a wooden surface by a force (of magnitude F) that is…

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Q: The 66-m microwave transmission tower is steadied by three guy cables as shown. Cable AB carries a…

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Q: A 14 kg block measures 7 cm by 9 cm by 25 cm. When it slides on a 9 cm by 25 cm face, it moves with…

A: The expression for friction force is Ff=μkN Friction force depends on the coefficient of friction…

Q: A 4.00 kg block rests on a 30 degree incline. If the coefficient of the static friction between the…

A: Here, the figure shows a box of mass m inclined at an angle θ = 30o with weight mg and force F and…

Q: A 100 lb crate is initially stationary and is placed along an inclined plane making an angle of 30…

A: Given that: W=100 lbθ=30°μs=0.2μk=0.16F=30 lbt=2 sec

Q: A stockroom worker pushes a box with mass 11.6 kg on a horizontal surface with a constant speed of…

A: Given data: The mass of the box is m=11.6 kg The speed of the box is v=3.40 m/s The coefficient of…

Q: A block slides down a rough 30°-incline with an acceleration of 2 m/s?. The coefficient of kinetic…

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Q: A stockroom worker pushes a box with mass 13.7 kg on a horizontal surface with a constant speed of…

A: Part A: The vertical force exerted on the worker is, ∑Fy=0N-mg=0N=mg…

Q: A block with mass m = 14.9 kg slides down an inclined plane of slope angle 18.8o with a constant…

A: Consider the free-body diagram of the block when it slides down the incline with a constant velocity…

Q: TC (C) UOD A 40.-newton object requires 5.0 newtons to start moving over a horizontal surface. The…

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Q: Calculate the force (W) required to pull an object of mass 100 kg on a frictionless horizontal plane…

A: Given  Mass of the object (M) =100 kg. Block is moving on a frictionless horizontal surface when a…

Q: A block begins to slide from a ramp with a height of h = 150m for the first time, without friction,…

A: Given data: The height of the ramp, h=150 m. The angle of inclination of the inclined plane, θ=45°.…

Q: A 20 degree incline is shown with a 18 Kg block that is given an initial velocity 4 m/s down the…

A: Option A is correct  i,e acceleration=3.35m/s^2 Here is the explaination in the given image

Q: A body weighing 50 kg starts from rest and slides down a plane at an angle of 25 degrees with the…

A: Given data: Mass of body, m=50 kg Angle with horizontal, θ=250 Coefficient of friction, μ=0.23 Time…

Q: A crate of mass 11.0 kg is pulled up a rough incline with an initial speed of 1.48 m/s. The pulling…

A: Note : Since question has multiple sub-parts, we can only give solutions to first three sub-parts.…

Q: A 124 kg crate is pushed at constant speed up a frictionless inclined plane of θ = 48 ° with the…

A: Given:- mass =124 kg  Inclined planeθ = 48 °  The pushed the mass by  horizontal force F  Find:- The…

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

A: Given: The mass of the box is 2 kg. The coefficient of the kinetic friction is 0.6. The coefficient…

Q: A 112 kg crate is pushed at constant speed up a frictionless inclined plane of θ = 59 ° with the…

A: Given data, Mass of the crate = 112 kg Angle, θ = 59o

Q: A 25 N crate is held at rest on an inclined plane, without friction, by a force parallel to the…

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Q: A block of mass m is initially at rest at the top of an inclined plane, which has a height of 4.2 m…

A: Sinθ = Height/length of incline Length of incline = 4.2/Sin(17o ) L = 14.365 m Using work energy…

Q: A cat experiences an upward force of 9N, while it is sleeping inside an elevator. What is the…

A: Given upward force acting on cat is 9N We can solve this problem by applying equilibrium for…

Q: A block slides down a rough 300-incline with an acceleration of 2 m/s?. The coefficient of kinetic…

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Q: A block of mass 0.75 kg is projected up an inclined plane at an angle of 25 degrees with an initial…

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Q: A constant applied force F, of 11.0 N pushes a box with a mass m = 8.00 kg a distance x = 15.0 m…

A: According to the work energy theorem, the equation can be written as Ef=WF+Wr…

Q: An elevator cab and its load have a combined mass of 7.8 kg. When the cab, originally moving…

A: Given data: Combined mass, elevator cab+ load =7.8 kg Distance moved, d =9.6 m Initial…

Q: A block of mass m =1 kg, slides down a rough incline with constant velocity. The coefficient of…

A: Here, a figure is provided. It is also given that,  m=1 kg θ =30o g = 10 m/s2 We have to find the…

Q: A 5.0 kg mass starts from rest at the top of an inclined plane 0.95 m long and slides down to 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: