In Fig. 10-61, four pulleys are connected by two belts. Pulley A (radius 15 cm) is the drive pulley, and it rotates at 10 rad/s. Pulley B (radius 10 cm) is connected by belt 1 to pulley A. Pulley B' (radius 5 cm) is concentric with pulley B and is rigidly attached to it. Pulley C (radius 25 cm) is connected by belt 2 to pulley B ’. Calculate (a) the linear speed of point on belt 1, (b) the angular speed of pulley B , (c) the angular speed of pulley B’ , (d) the linear speed of a point on belt 2, and (e) the angular speed of pulley C. ( Hint: If the belt between two pulleys does not slip, the linear speeds at the rims of the two pulleys must be equal.) Figure 10-61 Problem 101
In Fig. 10-61, four pulleys are connected by two belts. Pulley A (radius 15 cm) is the drive pulley, and it rotates at 10 rad/s. Pulley B (radius 10 cm) is connected by belt 1 to pulley A. Pulley B' (radius 5 cm) is concentric with pulley B and is rigidly attached to it. Pulley C (radius 25 cm) is connected by belt 2 to pulley B ’. Calculate (a) the linear speed of point on belt 1, (b) the angular speed of pulley B , (c) the angular speed of pulley B’ , (d) the linear speed of a point on belt 2, and (e) the angular speed of pulley C. ( Hint: If the belt between two pulleys does not slip, the linear speeds at the rims of the two pulleys must be equal.) Figure 10-61 Problem 101
In Fig. 10-61, four pulleys are connected by two belts. Pulley A (radius 15 cm) is the drive pulley, and it rotates at 10 rad/s. Pulley B (radius 10 cm) is connected by belt 1 to pulley A. Pulley B' (radius 5 cm) is concentric with pulley B and is rigidly attached to it. Pulley C (radius 25 cm) is connected by belt 2 to pulley B’. Calculate (a) the linear speed of point on belt 1, (b) the angular speed of pulley B, (c) the angular speed of pulley B’, (d) the linear speed of a point on belt 2, and (e) the angular speed of pulley C. (Hint: If the belt between two pulleys does not slip, the linear speeds at the rims of the two pulleys must be equal.)
four pulleys are connected by two belts. Pulley A (radius 15 cm) is the drive pulley, and it rotates at 10 rad/s. Pulley B (radius 10 cm) is connected by belt 1 to pulley A. Pulley B (radius 5 cm) is concentric with pulley B and is rigidly attached to it. Pulley C (radius 25 cm) is connected by belt 2 to pulley B. Calculate (a) the linear speed of a point on belt 1, (b) the angular speed of pulley B, (c) the angular speed of pulley B, (d) the linear speed of a point on belt 2, and (e) the angular speed of pulley C. (Hint: If the belt between two pulleys does not slip, the linear speeds at the rims of the two pulleys must be equal.)
A bicycle wheel is at rest against a curb. if the wheel has a radius R, and a mass M and is at rest against a curb of height h=.14R, determine the minimum horizontal force in terms of M and g that must be applied to the axle to make the wheel start to rise up over the step
2.
A 50.0-kg block and a 100-kg block are connected by a string as shown
in the figure below. The pulley is frictionless and of negligible mass. The coefficient of
kinetic friction between the 50.0-kg block and the incline is uk = 0.250.
50.0 kg
B)
100 kg
V
37.0°
(a)
B, what is its speed after it has traveled a distance of 20.0 m to point B. (Assume
that the 100-kg block does not reach the ground.)
Assuming that the 50.0-kg block starts from rest at point A to point
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