A 5-kg wooden block sits on top of a fixed incline oriented at an angle 0=30°. The coefficients of friction between the block and the incline are Hz= 0.60 and µk = 0.30. The block is being pulled up the incline by a cable tugged at the other end with force P = 60 N as shown. At the instant shown, the block is sliding up the incline and the normal force exerted by the incline on the block is equal to 42.5 N.
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- A 5-kg wooden block sits on top of a fixed incline oriented at an angle 0=30°. The coefficients of friction between the block and the incline are Pg= 0.60 and Pk = 0.30. The block is being pulled up the incline by a cable tugged at the other end with force P = 60N as shown. At the instant shown, the block is sliding up the incline and the normal force exerted by the incline on the block is equal to 42.5 N. P m=5kg 4. The frictional force between the block and the incline as it moves up the incline is equal to 25.5 N directed down the incline 12.7 N directed up the incline 25.5 N directed up the incline 12.7 N directed down the inclineA 5-kg wooden block sits on top of a fixed incline oriented at an angle 0=30°. The coefficients of friction between the block and the incline are Pg= 0.60 and Pk = 0.30. The block is being pulled up the incline by a cable tugged at the other end with force P = 60N as shown. At the instant shown, the block is sliding up the incline and the normal force exerted by the incline on the block is equal to 42.5 N. P m=5kg 5. The reaction force R exerted by the inclined surface on the block, which is the resultant of the frictional and normal forces, as it slides up the incline is closest to 49.5 N & 59.0° 49.5 N E 29.0° 44.3 N E 43.3° 44.3 N & 73.3°A roofer is shingling a roof having a slope of 30.0°. The roofer is pulling a bundle of shingles, X, up the roof with a rope. Another rope connects bundle X to bundle Y farther down the roof, as shown. Each bundle has a mass of 18.0 kg. The coefficient of static friction is 0.550 . What force must the roofer exert to start the shingles moving up the roof?
- An 8.00 kg box sits on a ramp that is inclined at 33.0 above the horizontal. The coefficient of kinetic friction between the box and the surface of the ramp is mk = 0.300. A constant horizontal force F = 26.0 N is applied to the box, and the box moves down the ramp. If the box is initially at rest, what is its speed 2.00 s after the force is applied?A heavy sled is being pulled by two people, as shown in the figure. The coefficient of static friction between the sled and the ground is H = 0.603, and the kinetic friction coefficient is µ = 0.403. The combined mass of the sled and its load is m = 336 kg. The ropes are separated by an angle o = 25.0°, and they make an angle 0 = 31.1° with the horizontal. Assuming both ropes pull equally hard, what is the minimum rope tension required to get the sled moving? minimum rope tension: If this rope tension is maintained after the sled starts moving, what is the sled's acceleration? m/s2 acceleration:A block with a mass of 9.32 kg is placed on a ramp. The ramp has an incline of ? = 20.2 degrees from the horizontal. The static coefficient of friction between the block and ramp is μs = 0.255, and the kinetic coefficient of friction between the block and ramp is μk = 0.134. A force, F, is exerted on the block as shown. Note that the force F is parallel with the ramp. What is the smallest value (magnitude) for the force, F, in Newtons that can be exerted on the block to hold the block stationary on the ramp? What is the largest value (magnitude) for the force, F, in Newtons that can be exerted on the block while still holding the block stationary on the ramp? What value (magnitude) for the force, F, is needed to move the block up the ramp at a constant speed?
- An object weighing 500kg is to be pulled by a man by exerting a force P. Force P is inclined at an angle of 25 deg. measured from the positive axis. The object and the floor has a coefficient of friction: static = 0.35 and dynamic = 0.15. What is the magnitude of the velocity vector of the object after 5 seconds when the magnitude of P is equal to 8,000 N? Express your answer in unit of m/s What is the total distance travelled by the object after 5 seconds when the magnitude of P is equal to 8,000 N? Express your answer in unit of m.In the figure, a force of magnitude 11.8 N is applied to a block of mass m2= 0.6 kg. The force is directed up an incline plane with an angle of 35.7°. The box is connected by a cord to another block of mass m1= 2.8 kg on the floor. The floor, plane, and pulley are frictionless, and the masses of the pulley and cord are negligible. What is the tension in the cord in N? m2 m1 Answer: Ali launches amarble (mass of m ka) in his marhle launcher with sneed of v m/s The launcher pLushes the pe here to searchYou are pushing a metal crate against a metal floor. The two surfaces have a static coefficient of friction of 0.62 and a kinetic coefficient of friction of 0.50. The floor is horizontal, and the crate has a mass of 25.0 kg. What is the minimum force you need to apply to get the crate moving from rest? Give your answer in units of N, to three significant figures.
- A box of mass m = 20.0 kg is pulled up a ramp that is inclined at an angle 0 = 15.0° angle with respect to the horizontal. The coefficient of kinetic friction between the box and the ramp is µ = 0.335, and the rope pulling the box is parallel to the ramp. If the box accelerates up the ramp at a rate of a = 2.89 m/s?, calculate the tension Fr in the rope. Use g = 9.81 m/s? for the acceleration due to gravity. Fr =A crate is pushed across a horizontal surface by the applied force shown in the figure. The magnitude of the force F = 24.1 N, 0 = 27.9°, the coefficient of kinetic friction between the block and the surface is 0.4, and M = 2.49 kg, what is the magnitude of the acceleration of the crate in m/s?A 0.30 kg puck is being pushed across a table with a horizontal force of 2.0 N. It starts from rest and is pushed for 13 seconds, ending with a speed of 1 m/s. Calculate the coefficient of friction μk between the puck and the table.