The coefficient of static friction between the m= 2.55-kg crate and the 35.0° incline of the figure below is 0.250. What minimum force F must be applied to the crate perpendicular to the incline to prevent the crate from sliding down the incline? 35.0⁰ Ⓡ
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- A ramp is inclined at 5 degrees with the horizontal. A barrel weighing 6 kilograms is placed on the ramp. The coefficient of static friction between the barrel and the ramp is 0.65. A force is applied to the barrel perpendicular to the incline to prevent the barrel from sliding down the incline. a. find the normal force. b. find the applied force.A supermarket pushcart is being pushed at 45 degrees with respect to the horizontal from the starting point to the cashier, which is 25 feet away. The cart is 5kg, it contains 2 boxes of 10-1b flour and seven packs of half-kilogram sugar. The coefficient of friction between the wheels and the floor is 0.03. a. What force is required? b. How much force is required?Consider a 2.00 kg box on a frictionless plane that is inclined at an angle of 300 with the horizontal. A force F is applied on the box with the direction parallel to the incline as shown in the figure. INCLINE 1. What is the magnitude of the normal force exerted by the plane on the box? A. 9.81 N B. 11.3 N C. 17.0 N D. 19.6 N F
- A body weighing 350 lb rest on a plane inclined 30 o with the horizontal as shown in Figure. The angle of static friction between the body and the plane is 15o .what horizontal force P is necessary to hold the body from sliding down the plane. 350 lb P- R 80° O 92.4 lb O 93.4 lb O 94.3 lb 36The coefficient of static friction between the m = 2.65-kg crate and the 35.0° incline of the figure below is 0.330. What minimum force I must be applied to the crate perpendicular to the incline to prevent the crate from sliding down the incline? N m 35.0⁰ Ⓡ15. A block weighing 200 N rests on a plane inclined upward to the right at a slope of 4 vertical to 3 horizontal. The block is connected to a cable initially parallel to the plane, passing through the pulley and connected to another block weighing 100 N moving vertically downward. The coefficient of kinetic friction between the 200N block and the inclined plane is 0.10. Compute the distance traveled by the system in 1 second. a. 0.587 secs. b. 0.785 secs. c. 0.875 secs d. 1. 785 secs a b d.
- There is a worker that slides a heavy box up a ramp into a truck. The box has a mass of 70 kg. The ramp is 4.7 m long and makes an angle of 27 degrees with the horizontal. The coefficient of friction between the ramp and box is 0.4 1.What's the weight of the box? 2.What's the normal force acting on box? 3.What's the force of friction acting on box?A 3 kg block sits on an inclined plane. The angle of the plane is 30° from the ground. Because of static friction, the block is stationary. 1. Draw a free body diagram of the forces. 2. What is the weight of the block? 3. What is the normal force? 4. What is the force of friction? (Magnitude and direction).037. A cook finds that in order to pull his 4.59 kg cast iron skillet across his steel stove top, he must apply more than 18.0 N of force. If he exerts more than 18.0 N of force on the skillet, it moves. If he exerts 18.0 N of force or less, it does not move. a. What is the maximum value for the force of static friction? b. What is the coefficient of static friction for cast iron on steel?
- a. If the plane was inclined at 37 degrees then the cart slides, what is the coefficient of static friction? b. If AB is 5 cm and AC is 20 cm, what is the coefficient of static friction?A 400. N crate is suspended from two ropes that each makes an angle 8 of 38° with the horizontal. Express numerical answers to the nearest whole number) a. The y-component (i.e. vertical component) of the tension in each rope would have to be _ N to balance the weight of the crate. b O c Od e 800 N 200 N 325 N 400 N 8A box of mass ?= 5.00 kg is at rest on a horizontal rough surface. The coefficients of static friction and kinetic friction between the surface and the box are μ?= 0.450 and μ?= 0.400, respectively. Then, a horizontal force ?⃗ is exerted on the box. a. If the magnitude of the force ?⃗ is 12.0 N, what is the magnitude of the friction force on the block? b. If the magnitude of the force ?⃗ is 25.0 N, what is the magnitude of the acceleration of the block?