с 45° B To Determine AB= 25 mm BC = 15 mm • Cam Pushes the arm at A With upward velocity of 14 mm/s Angular velocity of Arm velocity at Point C
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- Two spur wheels with involute teeth gear together externally. The pitch circle diameters are 120 mm and 300 mm and the smaller wheel has 19 teeth. The pressure angle is 20o and the addendum is 0,3 of the circular pitch. Determine 1.1 The length of the arc of approach if the smaller wheel is the driver, and 1.2 The maximum velocity of sliding between the teeth when the driver rotates at 200 r/minfind the angle of braking for a circular track of radius 600m as to be suitable for driving a car with a maximum speed of 180 km/hr (g=9.8m/sA cyclist pedals constantly at 7.9587 rad/s the wheels are 336.5mm in radius. If the chain is directly connected with the sprockets which are 76 mm in radius (front sprocket) and 35mm in radius (rear sprockets), Determine the angular speed of the wheel in rad/s.
- Pleased include explanation. The skateboard has a length of lAB= 1.3m. Given the figure shown, determine (a) the velocity at point B and (b) the angular velocity of the skateboard AB if the velocity at point A is vA= 2.963 m⁄s 1000 to the right. Neglect the diameter of the wheels. Note: Use purely RMA Method for velocity calculations.Determine the angular velocity, in rpm, of the rotating drum which results in loss of contact between the clothes and the drum at 0.6985 rad. Assume that the small vanes prevent slipping until loss of contact. Round your answer to 2 decimal places.The angular velocity ??? = 5° per second. Determine the angular velocity of the hydraulic actuator BC and the rate at which the actuator is extending.
- Three spur gears R,S and T are mounted on parallel shafts ,such that R meshes with S,and S meshes with T gear wheel.R has 10 teeth ,while gear wheels S and T have 60 and 40 teeth respectively .Determine the speeds of S and T if R rotates at 130 rev/min and also indicates that the speed of gear T is independent of the number of teeth on gear STo understand rigid-body rotation about a translating axis. An exhausted bicyclist pedals somewhat erratically. The angular velocity of the front tire, as measured with respect to an axis fixed at the tire’s center, is given by ω(t)=12t−14sin(2t) for t≥0 where t represents the time in seconds and ω(t) is measured in radians per second. Assume that the tires roll without slipping The bicycle’s front tire has a spot of paint on it. Take the spot’s position at time t=0.00s to be at angle θ=0.00 radians with respect to an axis parallel to the ground (and perpendicular to the axis fixed at the tire’s center) and take angles in the direction of the tire's rotation to be positive. What angular displacement θ(2) has the spot undergone between 0.00 and 2.0 s? If the tire’s radius is 23 cm, what is d, the magnitude of the spot’s displacement after 2.0 seconds? Which one of the following statements describes the spot’s motion at t=2.0s? The wheel’s angular acceleration is constant and the…A cam, with a minimum radius of 25 mm, rotating clockwise at a uniform speed is to be designed to give a roller follower, at the end of a valve rod, motion described below : 1. To raise the valve through 50 mm during 120° rotation of the cam ; 2. To keep the valve fully raised through next 30°; 3. To lower the valve during next 120°; and 4. To keep the valve closed during rest of the revolution i.e. 90° ; The diameter of the roller is 20 mm and the diameter of the cam shaft is 25 mm. Draw the profile of the cam when (a) the line of stroke of the valve rod passes through the axis of the cam shaft, and (b) the line of the stroke is offset 15 mm from the axis of the cam shaft. The displacement of the valve, while being raised and lowered, is to take place with simple harmonic motion. Determine the maximum acceleration of the valve rod when the cam shaft rotates at 100 r.p.m. Draw the displacement, the velocity and the acceleration diagrams for one complete revolution of the cam.
- The flywheel rotates with an angular speed of w = 8 rad/s and an angular velocity = 16 rad/s2. Determine the tangential velocity at point B.Which of the following best approximates the angular velocity of the system at position 2? a. 6.07 rad/sb. 7.09 rad/s c. 4.83 rad/sd. 3.67 rad/sA gear system comprises gear A, which is stationary. The bar A'C' rotates with an angular velocity ω1 of 5 rad/s. What will be the angular velocity of gear C? Diameters of the gears: DA = 600 mmDB = 350 mmDC = 200 mm Note: Solve gears B and C by IC method and by relative velocities method