A board 1-m by 1-m that weights 25 N slides down an inclined ramp (slope =...
1439-140 Fund Mac westion 2 bad mby Im that weighs 25 N slides down an inclined ame(slope 20%) with a velocity of 2.0 m/s. The board is rated from the ramp by a thin film of oil with a viscosity of 0.05 Nm Neelecting edge effects, solve the following questions: 1) Draw the free body diagram of the board and show all the forces acting on this board. 2) In case of equilibrium (constant velocity), what is the shear force?...
A block of weight W slides down an inclined plane with a constant velocity V while lubricated by a thin film of a fluid. The film contact area is A and its thickness is h. Assuming a linear velocity distribution in the film, derive an expression for the viscosity ? of the fluid. Calculate the viscosity ? of the fluid if the block mass is 6 kg, A = 35 cm, , ? = 30°, V = 20 m/s and...
2. a- A 1.5 kg block slides down an inclined ramp with u 0.4. If the ramp angle is 17.0° and the length of it is 30.0 m, assuming it started sliding at 5 m/s. Find the speed of the block as it reaches the end of the ramp b- a- A 3 kg block is pushed against a spring with negligible mass and force constant k 4500 N/m, compressing it 0.220 m. When the block is released, it moves...
A 70 Kg block slides down a smooth inclined surface as shown in the figure. Determine the terminal velocity of the block (in m/s) and the surface contains 0.1 mm oil. Assume the velocity distribution in the gap is liner, and the area of the block in contact with the oil is 0.30 m2 Take the oil viscosity = 0.41 N.S/m2
Question 1 1.2 mx1.2 m and inclined angle having an angle of inclination 25°. The weight of the plate is 500 N and it slides down the plane with a uniform velocity of 1.8 m/s. Calculate the dynamie viscosity of the oil? (10 marks)
1. A m = 0.5 kg piston slides in a lubricated cylinder at a constant velocity U = 1.5 m/s under the gravity effect. The piston has a diameter of D= 20 cm and a length of L = 8 cm. The thickness of the lubrication oil film is d = 0.2 mm. Please find the viscosity u of the lubrication oil. (5 marks) Cylinder Wall Oil Film Piston T
A box of mass 6.2 kg slides 4.8 m down a ramp that is inclined 38 degrees to the horizontal. What is the velocity of the box right before it hits the ground?
A box slides from rest down a frictionless ramp inclined at 38.0° with respect to the horizontal and is stopped at the bottom of the ramp by a spring with a spring constant of k = 2.00 x 104 N/m. If the box has a mass of 12.0 kg and slides 3.00 m from the point of release to the point where it comes to rest against the spring, determine the compression of the spring when the box comes to...
A block of weight W slides down an inclined plane that is lubricated by a thin film of oil as shown in the figure below. Block Oil Plane surface The film contact area is A, and its thickness is h. Part A Assuming a linear velocity distribution in the film, derive an expression for the terminal (zero-acceleration) speed, V, of the block. O V = Wh cos e JA OV=hA cose дW V= Wh sin e MA OV - PA...
a 1300 N crate slides 14 m down the ramp that makes an angle of 30 degree with the horizontal. If the crate slides at a constant speed, how much thermal energy is created?