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Question 1 1.2 mx1.2 m and inclined angle having an angle of inclination 25°. The weight...
A board 1-m by 1-m that weights 25 N slides down an inclined ramp (slope =...
A board 1-m by 1-m that weights 25 N slides down an inclined ramp (slope = 20 degree) with a constant velocity of 2.0 cm/s. The board is separated from the ramp by a thin film of oil with a viscosity of 0.05 N-s/m^2. Determine the space (mm) between the board and the ramp.
A block of weight W slides down an inclined plane with a constant velocity V while...
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...
A box of weight w=2.0N accelerates down a rough plane that is inclined at an angle...
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 12 kg block begins from rest and slides down an inclined plane. After 10s the...
A 12 kg block begins from rest and slides down an inclined plane. After 10s the block has a velocity of 18 m/s. The plane's angle of Inclination is .524 radians. What is the coefficient of friction between the plane and block? What is the Kenetic energy of the block at t=15s? What is the total work done by all the forces acting on the block after it slides down the plane for a distance of 1m?
A biofluid is flowing down an inclined plane. The velocity profile of this fluid can be...
A biofluid is flowing down an inclined plane. The velocity profile of this fluid can be described by P& 2 Sine if the coordinate axis is aligned with the inclined plane. In the equation above, ρ and μ the fluid density and viscosity, respectively; g is the acceleration of gravity, h is the thickness of the fluid film, and θ is the angle of inclination of the plane. a. Sketch a diagram of the system and reference coordinates. (5 points)...
1439-140 Fund Mac westion 2 bad mby Im that weighs 25 N slides down an inclined...
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 2.50 kg block slides down an inclined plane at a 20.0 degree angle (constant velocity)....
A 2.50 kg block slides down an inclined plane at a 20.0 degree angle (constant velocity). a) If the length of the incline is 2.0 m, calculate the work done by the force of gravity. b) Calculate the work done by the force of friction. c) Calculate the net work done by both gravity and friction.
A box of mass m is sliding down an inclined plane. The plane makes an angle...
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...
Question 25 1 pts A 3kg object traveling at 4 m/s is pushed by a net...
Question 25 1 pts A 3kg object traveling at 4 m/s is pushed by a net force of 5 N. The speed increases to 6 m/s. Find the distance the object travels. O 0.4m O 1.2 m 4.8m 06m O None of the above Question 26 1 pts A 40.0 N crate is pulled up a 5.0 m inclined plane. The angle of inclination of the plane to horizontal is 37º. If there is a constant force of friction of...
A 1 kg block slides down an inclined plane which makes an angle of 30degree to...
A 1 kg block slides down an inclined plane which makes an angle of 30degree to the horizontal. Starting from rest, it is found to have a speed of 3 m/s after it has moved through a distance of 1.6 m. Find the amount of mechanical energy dissipated due to friction as the block slides down the plane, and hence find the coefficient of friction between the block and the plane, Explain your steps and reasoning. Remember to draw a...
A board 1-m by 1-m that weights 25 N slides down an inclined ramp (slope = 20 degree) with a constant velocity of 2.0 cm/s. The board is separated from the ramp by a thin film of oil with a viscosity of 0.05 N-s/m^2. Determine the space (mm) between the board and the ramp.
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...
A biofluid is flowing down an inclined plane. The velocity profile of this fluid can be described by P& 2 Sine if the coordinate axis is aligned with the inclined plane. In the equation above, ρ and μ the fluid density and viscosity, respectively; g is the acceleration of gravity, h is the thickness of the fluid film, and θ is the angle of inclination of the plane. a. Sketch a diagram of the system and reference coordinates. (5 points)...
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?...
Question 25 1 pts A 3kg object traveling at 4 m/s is pushed by a net force of 5 N. The speed increases to 6 m/s. Find the distance the object travels. O 0.4m O 1.2 m 4.8m 06m O None of the above Question 26 1 pts A 40.0 N crate is pulled up a 5.0 m inclined plane. The angle of inclination of the plane to horizontal is 37º. If there is a constant force of friction of...
A 1 kg block slides down an inclined plane which makes an angle of 30degree to the horizontal. Starting from rest, it is found to have a speed of 3 m/s after it has moved through a distance of 1.6 m. Find the amount of mechanical energy dissipated due to friction as the block slides down the plane, and hence find the coefficient of friction between the block and the plane, Explain your steps and reasoning. Remember to draw a...
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