Ed is pushing with a force of 352.9 N at an angle of θ = 56.1 degrees with respect to the vertical and Al is pushing with a force of 146.3 N at an angle of ϕ = 37.3 degrees with respect to the horizontal. If the couch has a mass of 89 kg and the coefficients of static and kinetic friction between the couch and the floor are μs = 0.53, and μk = 0.39, what is the magnitude of the force of friction exerted by the floor on the couch? I am not understanding how to solve this. I think I need to use Newtons second law but I just dont know. Can someone please show me how to do this?

Q: You decide to use a rope to pull your truck out of the mud. If your truck has a mass of 1,400 kg and…

A:

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: 2.0 kg against a vertical wall by exerting 40 N, on it. The coefficients of static and kinetic…

A:

Q: A large crate has a mass of 120 kg and sits on a horizontal floor. You push on the crate with a…

A:

Q: Mary applies a force of 78 N to push a box with an acceleration of 0.54 m/s2. When she increases the…

A:

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 woman exerts a horizontal force of 109 N on a crate with a mass of 38.7 kg.   (a) If the crate…

A: Here, the free body diagram shows the horizontal force as FH  and  fs is the static friction, N is…

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 minimum force required to get the block moving from…

Q: A heavy sled is being pulled by two people, as shown in the igure. The coefficient of static…

A: Given:

Q: A block of mass m = 19.5 kg rests on an inclined plane with a coefficient of static friction of μs =…

A:

Q: A 2.5 kg block is initially at rest on a horizontal surface. A horizontal force F of magnitude 5.7 N…

A:

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: A heavy sled is being pulled by two people, as shown in the figure. The coefficient of static…

A: write the  given data coefficient of kinetic friction=μk=0.419coefficient of static friction…

Q: You are pushing a 30 kg crate along a horizontal floor (the coefficients of static and kinetic…

A: Given- Mass of crate , m = 30 kg The coefficients of static friction between the crate and floor ,μs…

Q: horizontal force, F1 = 75 N, and a force, F2 = 12.5 N acting at an angle of θ to the horizontal, are…

A: F1 = 75 N F2 = 12.5 N θ = 30om = 2.1 kg coefficient of kinetic friction (μk) = 0.2

Q: Mary applies a force of 78 N to push a box with an acceleration of 0.49 m/s2. When she increases the…

A: The applied force in first case is 78 N and acceleration is 0.49 m/s2. The applied force in second…

Q: A 2.30 kg block is initially at rest on a horizontal surface. A horizontal force F of magnitude…

A: Apply the force equilibrium condition along the vertical, and determine the normal reaction force as…

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

A:

Q: Find the minimum magnitude of the force  F

A:

Q: An object sitting at rest on a level surface has a weight and a normal force of 200 N. The…

A:

Q: Your friend asks for help moving a box across the apartment floor and tells you that the box weighs…

A: The static frictional force on the box Fs=μsW=0.42·422=177.24 N The kinetic frictional force on the…

Q: A horizontal force, F1 = 75 N, and a force, F2 = 12.5 N acting at an angle of θ to the horizontal,…

A:

Q: horizontal force

A: To maintain the motion of the box at a constant speed, the worker must apply a horizontal force…

Q: A stubborn 146 kg mule sits down and refuses to move. To drag the mule to the barn, the exasperated…

A: Given: The mass of the mule is m = 146 kg The farmer pulls the mule with a maximum force is F = 604…

Q: A 2.5 kg block is initially at rest on a horizontal surface. A horizontal force F of magnitude 6.5 N…

A: Given mass m =2.5 kg  Applied force F = 6.5 kg  If applied force is greater than static friction…

Q: You are lowering two boxes, one on top of the other, down the ramp shown in the figure by pulling on…

A:

Q: A block is being pulled up an inclined plane by a force with magnitude F=45.0 N as shown In the…

A:

Q: A block of mass m1 = 3.9 kg is placed on top of a block with mass m2 = 5.4 kg. A force, F = is…

A:

Q: is A heavy sled is being pulled by two people, as shown in the figure. The coefficient of static…

A: Given that, the coefficient of static friction μs=0.579 the coefficient of kinetic friction μk=0.419…

Q: An athlete is pulling a tire that weighs 12,000 N. The coefficient of static friction between the…

A: I have used concept of equillibrium

Q: A 2.5 kg block is initially at rest on a horizontal surface. A horizontal force F of magnitude 6.2 N…

A: The free body diagram for the given block is : Now, equating the forces we have, F-f=maFN+P=mg…

Q: A block with a mass of 9.32 kg is placed on a ramp. The ramp has an incline of ? = 20.2 degrees from…

A:

Q: ou are pushing a wooden crate against a rubber floor. The two surfaces have a static coefficient of…

A: Given: The mass of the crate is 25 kg. The coefficient of the static friction is 0.45. The…

Q: Mary applies a force of 78 N to push a box with an acceleration of 0.49 m/s2. When she increases the…

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

Q: Two children are pulled on a sled over snow-covered ground. The sled is pulled by a rope that makes…

A: Given:Combined mass of children, mc = 45 kgmass of the sled, ms = 5.0  kgtotal mass the the…

Q: A block with mass m1 = 8.7 kg is on an incline with an angle θ = 37° with respect to the horizontal.…

A: Given Data:Mass of block 1 Angle of block 1 Coefficient of kinetic friction Coefficient of static…

Q: A heavy sled is being pulled by two people, as shown in the figure. The coefficient of static…

A: Given that, The coefficient of static friction between the sled and the ground μs=0.603 Kinetic…

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 woman holds a book by placing it between her hands such that she presses at right angles to the…

A: Weight = mg In equilibrium, the friction will balance the weight of the body

Q: When an object slides on a surface, it encounters a resistance force called friction. This force has…

A: Given data: Mass of the object is m=30 kg Coefficient of kinetic friction is μ=0.2 The inclination…

Q: The block shown in the figure is sliding along a frictionless horizontal surface The block's mass is…

A: