There are two masses with unequal weight. The masses are tied by a rope and they are connected over two pulleys as shown in Figure 1. When the system is released beavier mass accelerates downward and lighter

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as shown in the attached figure, a block with mass m1 is attached to a massless ideal string. the string wraps around a massless pulley and then wraps around a ,second massless pulley that is attached to block with mass m2 and ultimately attaches to a wall. the whole system is frictionless. a coordinate system is given in the figure   given that a2 is the magnitude of the horizontal acceleration of the block with mass m2 , what is T, the tension of the string?

A 25.5 kg mass (m) is suspended by the cable assembly as shown in the figure. The cables have no mass of their own. The cable to the left (T) ) of the mass makes an angle of 0.00 with the horizontal, and the cable to the right (T;) makes an angle (02) of 40.6. If the mass is at rest, what is the tension in each of the cables, T and T; ? The acceleration due to gravity is g = 9.81 m/s?. T T = 123.52 N 123.52 TOOLS x10

as shown in the attached figure, a block with mass m1 is attached to a massless ideal string. the string wraps around a massless pulley and then wraps around a second massless pulley that is attached to block with mass m2 and ultimately attaches to a wall. the whole system is frictionless. a coordinate system is given in the figure given T, the tension in the string, calculate a1, the magnitude of the vertical acceleration of the block with mass m1 a1 = ?

In a four bar mechanism the link AB rotates with angular velocity of 20rad/s and angular acceleration of 100 rad/s both in clockwise direction when it make an angle of 45° with link AD which is fixed .The length of various linkages are AB=CD=400 mm,BC=500mm and AD=750mm .Neglect the gravitational effect and friction.The mass of link is 5kg/m. Find the torque on output link E (2) (4) A (1) (1)

A 100 kg timber pole AB is at rest when is zero. The pole is connected to a cable at point A. An electric motor installed on a stationary frame lifts up the pole as shown in the figure below by exerting a constant torque of 75 N.m. Find the angular velocity of the pole when is 60⁰. Highlight both the value and direction clearly. What is the tension in the cable when 0 is 75⁰? Note: The friction and masses of the pulley and the cable can be neglected. The diameter of the disk motor that the cable is attached to is 20 cm. d=20 cm Electric Motor (M) Cable T = 75 N.m C B 3 m 4 m

The figure below shows two blocks A and B connected by a massless rope that passes over a massless, frictionless pulley. Block A has mass 10 kg and is held stationary on a frictionless 40°. Block B has a mass 3.0 kg and hangs vertically from the other end of the rope. Block A is released and allowed to move along the incline. What is the acceleration of incline with 0 = block B? Frictionless, massless pulley A B

Figure 2 В A Block A is hanging from a massless string which runs over a massless and frictionless pulley and connects to Block B. Block B slides over an inclined plane with ordinary kinetic friction. The plane under block B is inclined at an angle theta = 0 away from vertical. The other side of Block B is connected to another massless string which runs over another massless and frictionless pulley to connect to Cart C. Cart C rolls without friction over a plane which is inclined at an angle of phi = y away from vertical. C