Problem#5: A box with mass 12,0 kg moves on a ramp that is inclined at an angle of 60.0 above the horizontal. The coefficient of kinetic friction between the box and the ramp surface is M = 0.380. a) Draw a free body diagram b) Express all required equations c) Calculate the magnitude of the acceleration of the box if you push on the box with a constant 150.0 N that is parallel to the ramp surface and directed down...
A box of weight w=2.0N accelerates down a rough plane that is inclined at an angle ϕ=30∘ above the horizontal, as shown (Figure 6) . The normal force acting on the box has a magnitude n=1.7N, the coefficient of kinetic friction between the box and the plane is μk=0.30, and the displacement d⃗ of the box is 1.8 m down the inclined plane. What is the work Wfk done on the box by the force of kinetic friction?
A 600 N box is sliding down a ramp. I am in front of the ramp pushing uphill, so that the box slides with a constant velocity. The top of the ramp is 1.5 m above the bottom of the ramp and the ramp is 5.0 m long. As the box slides down, friction does work and 500 J are added to the thermal energy of the ramp and box. a. Calculate the work done by one external force in...
A box of mass m is sliding down an inclined plane. The plane makes an angle ϴ with the horizontal ground. What is the magnitude of the component of the gravitational force that is parallel to the inclined plane? A. m g cosθ B. m g sinϴ C. 0 D. m g If you lift a 2 kg weight through a vertical distance of 1 m at constant velocity, how much work did you do on the weight? Assume the...
k weighing 10.0 newtons is on a ramp inclined 3)A block at 30.0° to the horizontal. A 3.0-newton force of ramp at constant velocity with force F, which is parallel to the ramp, as shown in the diagram below ockfriction, F, acts on the block as it is pulledu 30 10.oN 30.0 (Vectors not drawn to scale) What is the tude of force F? A) 7.0N B) 8.0N 10N D) 13 N 4. The dia ow shows a 10.0-kilogram mass...
A 7.75 kg block is sent up a ramp inclined at an angle ?=29.5° from the horizontal. It is given an initial velocity ?0=15.0 m/s up the ramp. Between the block and the ramp, the coefficient of kinetic friction is ?k=0.339 and the coefficient of static friction is ?s=0.616. How far up the ramp in the direction along the ramp does the block go before it comes to a stop? Image of box on ramp. Ramp is inclined upward at...
8. A box of mass m =22 kg is at rest on a ramp inclined at 45° to the horizontal. The coefficients of friction between the box and the ramp are Us = 0.78 and Uk = 0.65. (a) Determine the magnitude of the largest force that can be applied upward, parallel to the ramp, if the box is to remain at rest. (b) Determine the magnitude of the smallest force that can be applied onto the top of the...
A block with mass 12.0 kg is on a ramp that is inclined at an angle of 50.0 degrees above the horizontal. The block is accelerating up the ramp at 3.0 m/s2 as you pull on it with a string parallel to the surface of the ramp with a constant force of 140 N.\ A) Draw a free body diagram for the block moving up the ramp and choose a convenient xy-coordinate system to apply Newton's laws of motion. B)...
In Figure 2, a block of weight W=100 N is sliding down a 2-stage ramp defined by the angles a = 30° and B = 45°. The distances OA and OB are 2 m and 4 m respectively. The friction coefficient for the entire ramp is u=0.3. B Figure 2: System for Question 5. (a) Derive an expression for the component of the block's weight acting parallel to the 2-stage ramp (Hint: since the ramp has 2 stages defined by...
A 7.55-kg box is pulled up a ramp that is inclined at an angle of 39.0° with respect to the horizontal, as shown below. The coefficient of kinetic friction between the box and the ramp is 0.145, and the rope pulling the box is parallel to the ramp. If the box accelerates up the ramp at a rate of 3.09 m/s2, what must the tension Fr in the rope be? Use g 9.81 m/s2 for the acceleration due to gravity....