The 1.5-kg collar shown has a coefficient of kinetic friction μ = 0.185 with the shaft. The spring is unstretched when s = 0 and the collar is given an initial velocity of vo 19.8 m/s. The unstretched length of the spring is d = 1.3 m and the spring constant is k = 5.88 N/m. (Figure 1) Figure Vo www www 1 of 1 Part B - The acceleration of the collar after it has moved a certain distance What is the acceleration of the collar after it has moved 7.5 m? Express your answer to three significant figures. ► View Available Hint(s) af = 15. ΑΣΦΑ ↓↑ Uz = vec μA What is the spee of the collar after it has moved 7.5 m? Express your answer to three significant figures and include the appropriate units. ► View Available Hint(s) Value Units Review ? ? m/s²

The 1.5-kg collar shown has a coefficient of kinetic friction μ = 0.185 with the shaft. The spring is unstretched when s = 0 and the collar is given an initial velocity of vo 19.8 m/s. The unstretched length of the spring is d = 1.3 m and the spring constant is k = 5.88 N/m. (Figure 1) Figure Vo www www 1 of 1 Part B - The acceleration of the collar after it has moved a certain distance What is the acceleration of the collar after it has moved 7.5 m? Express your answer to three significant figures. ► View Available Hint(s) af = 15. ΑΣΦΑ ↓↑ Uz = vec μA What is the spee of the collar after it has moved 7.5 m? Express your answer to three significant figures and include the appropriate units. ► View Available Hint(s) Value Units Review ? ? m/s²

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.57P: The square-threaded screw with a pitch of 10 mm and a mean radius of 18 mm drives a gear that has a...

See similar textbooks

Similar questions

The square-threaded screw with a pitch of 10 mm and a mean radius of 18 mm drives a gear that has a mean radius of 75 mm. The static and kinetic coefficients of friction between the gear and the screw are 0.12 and 0.06, respectively. The input torque applied to the screw is C0=10Nm. Assuming constant speed operation, determine the output torque C1 acting on the gear.
(c) (i) Briefly define power and efficiency? (ii) Calculate the power of force F exerted on the 15 kg block shown in Figure Q.4(c) if the block is travelling at a constant velocity v = 6 m/s with a displacement of s = 0.8 m. The coefficient of kinetic friction µg = 0.6 and the spring is originally stretched at 0.1 m. F k = 2 kN/m- A 45° Figure Q.4(c)
In the figure shown, a 10 kg block rests on an inclined plane that has a co-efficient of friction u = 0.5. A force of 40ON is applied in the given direction parallel to the ground. Find: (i) The acceleration with which the mass moves up along the inclined plane (ii) The time taken to reach the top and final velocity (assume it starts at rest) DO NOT USE ENERGY APPROACH DO NOT USE ENERGY APPROACH.] NOTE F= 400N parallel to the ground a = ? 0.5 F 400N cpanallet fo @ll ma gaaund) 0=300
Q1/ A 6-in-wide polyamide F-1 flat belt is used to connect a 2-in-diameter pulley to drive a larger pulley with an angular velocity ratio of 0.5. The center-to-center distance is 9 ft. The angular speed of the small pulley is 1750 rev/min as it delivers 2 hp. The service is such that a service factor Ks of 1.25 is appropriate. (a) Find Fc, Fi, Fla, and F2. (b) Find Ha, nfs, and belt length. (c) Find the dip.
Clutch Mechanism 8. In the clutch mechanism shown, two flat circular disks of radius R are mounted so that they can be brought into contact causing a net frictional force. The contact pressure in general depends on the distance from the center and in one specific case may be modeled buy P(r) = Poe-kr, where k is a constant and r is the distance from the center of the discs. The integral cR F = 2m " P(r)rdr gives the total contact force between the discs. Cross-section a. In your own words explain where this formula comes from.
Consider the following diagram. m1=20 kg and m2= 10 kg. The system is being pulled by an applied force of 200 N. directed 50" above the horizontal. The coefficient of kinetic friction between the block and the surface is u-0.2. 50 m, 20kg Coefficient of friction 4=0.2 10 kg. 309 7) Calculate the acceleration of the system. Your answer 8) Calculate the magnitude of the Tension on the rope. Your answer N 00
Find the acceleration and tension in the string of the system shown in figure shown. Coefficient of the friction u = 0.3 for all planes of the contact. Pulley is smooth. 60N 120N
B r P F A UBC Engineering Your team is prototyping a simple braking system for your model car. The 3.4 kg wheel with a radius of r = rad 0.15 m is rotating at w = 18 - .A servo motor can apply a variable force F, which in its first two seconds of operation is equal to F = 10t N and afterwards is equivalent to a constant force of F = 20 N . If the coefficient of kinetic friction between the braking arm and the wheel is μ= 0.2, determine the time needed for the wheel to come to a full stop. The point of contact P between the wheel and the arm is a distance r = -0.2 + 0.26 ĵ m from point A. The force of the servo motor is applied at exactly half of the horizontal distance to A from the point of contact. Assume the wheel can be treated as a disk and that the braking arm is massless. t =
a Dashboard 曲 Events E My Courses This course TWo pulleys of radius 290 Tmm and 190 mm are mounted in an open-belt drive arrangement on two parallel shafts. The pulleys center lines are 0.58 m apart. of 15 stion The big pulley is rotating at 98 rpm and the coefficient of friction between the belt and the pulleys is 0.25 and the tensile force allowed in the belt is 1.2kN. Analyze the belt drive system and calculate: The contact angle at the big pulley: Opig ° (1) The contact angle at the small pulley: 0sm rad ° (2) STm The length of the belt, assuming a negligible thickness: т (3) The torque at the big pulley: Nm, and (1) The torque at the small pulley: Nm (1) The maximum power transmitted through the belt drive system kW (1) If the total mass of the belt is 2.3 kg, assuming a firm grip between pulleys and the belt and the same speed, all other relevant parameters remaining the same as in the statement above, you are required to revisit your analysis with respect to the centrifugal…
Consider the system of two blocks shown in (Figure 1). There is no friction between block A and the tabletop. The mass of block B is 4.80 kg. The pulley rotates about a frictionless axle, and the light rope doesn't slip on the pulley surface. The pulley has radius 0.200 m and moment of inertia 1.30 kg⋅m2. If the pulley is rotating with an angular speed of 8.00 rad/s after the block has descended 1.20 m, what is the mass of block A?
Consider the mass-spring system with frictionless sliding. With the forcing function f(t) as described, calculate x(5,9)? k =718 N/m, m = 268 kg, fi = 675 N, tį = 3,1 s, t2 = 8,7 s f(t) fi x(t) f(t) k wwww m no-friction m no-friction t1 t2
Question 2 Consider the two blocks shown above, connected together by a massless rope around a massless, frictionless pulley. The mass of the top block is m₁ = 7.00 kg and the mass of the bottom block is m₂ = 14.8 kg, and all surfaces have a coefficient of kinetic friction = 0.350. If the bottom block is pulled to the left with a force of T=197 N, what is the acceleration of the bottom block?