Question

In: Physics

Block A is connected to block B by a string that goes over an ideal pulley...

Block A is connected to block B by a string that goes over an ideal pulley as shown in the figure. Block A has a mass of 5.00 kg and can slide over a rough plane inclined 30.0° to the horizontal. The coefficient of kinetic friction between block A and the plane is 0.400. Block B has a mass of 3.77 kg.
(a) Draw the free body diagram
(b) What is the reaction of the surface on block A?
(c) What is the friction force?
(d) What is the acceleration of the blocks?

Solutions

Expert Solution


Related Solutions

A block hangs from a string that runs over a pulley and is attached to a...
A block hangs from a string that runs over a pulley and is attached to a rolling cart. The cart, the block, and the pulley each have the same mass (M) . The cart an pulley roll without friction, and the pulley is a disk with moment of inertia: Icm=12MR2 The hanging block is released from rest and allowed to evolve freely under the influence of gravity. Find the speed of the hanging mass, v, after the block has fallen...
Two blocks are connected by a light string that passes over a frictionless pulley as in...
Two blocks are connected by a light string that passes over a frictionless pulley as in the figure below. The system is released from rest while m2 is on the floor and m1 is a distance h above the floor. (a) Assuming m1 > m2, find an expression for the speed of m1 just as it reaches the floor. (Use any variable or symbol stated above along with the following as necessary: g.) vf = Incorrect: Your answer is incorrect....
Two blocks are connected by a light string that passes over a frictionless pulley having a...
Two blocks are connected by a light string that passes over a frictionless pulley having a moment of inertia of 0.0040 kg*m2 and a radius of 5.0 cm. The coefficient of kinetic friction between the table top and the upper block is 0.300. The blocks are released from rest. Using energy methods, find the speed of the upper block just as it has moved 0.600 m.
Two masses are connected by a light string, which passes over a frictionless pulley as shown...
Two masses are connected by a light string, which passes over a frictionless pulley as shown in fig .3 on a the chalkboard. The inclined plane is rough. When m1=10kg , m2 = 3.0 kg and theta = 60degrees, the 10 kg mass moves down the inclined plane and accelerates down the nclined pane at a rate of 2.0m/s^2. Find a) the tension in the string. b)the coefficient of kinetic friction between the 10 kg mass and the inclined plane.
. Block A and Block B start from rest on a horizontal track. An ideal string...
. Block A and Block B start from rest on a horizontal track. An ideal string pulls cart A with a constant force of 25 N, causing both of the carts to move together as they accelerate. The coefficient of kinetic friction between the blocks and the track is 0.10. Block A= 4.0kg and Block B= 1.0kg (pulled horizontally) Determine the magnitude of each individual force that acts on Block A and each individual force that acts on Block B.
wo blocks are connected by an ideal cord that passes over a frictionless pulley. If m1 = 3.6 kg and m2 = 9.2 kg, and block 2 is initially at r
Two blocks are connected by an ideal cord that passes over a frictionless pulley. If m1 = 3.6 kg and m2 = 9.2 kg, and block 2 is initially at rest 140 cm above the floor, how long does it take block 2 to reach the floor?  
Block 1, of mass m1m1m_1 = 0.500 kgkg , is connected over an ideal (massless and...
Block 1, of mass m1m1m_1 = 0.500 kgkg , is connected over an ideal (massless and frictionless) pulley to block 2, of mass m2m2m_2, as shown. For an angle of θθtheta = 30.0 ∘∘ and a coefficient of kinetic friction between block 2 and the plane of μμmu = 0.300, an acceleration of magnitude aaa = 0.400 m/s2m/s2 is observed for block 2. Figure 1 of 1The figure shows two blocks, with masses m 1 and m 2, connected by...
Two blocks (m1=3kg, m2=7.8kg ) are connected by a string that passes through a massless pulley...
Two blocks (m1=3kg, m2=7.8kg ) are connected by a string that passes through a massless pulley as shown in the Figure. The first block with mass m1  slides up the inclined plane when the system is released. The inclined plane makes an angle  θ = 220  with the horizontal and the kinetic friction coefficient between the inclined plane and   m1 is =0.49.   Take  g=10m/s2 Find the speed of the block with mass m2 after it travels h=5.8m.
The figure shows two masses connected by a cord passing over a pulley of radius R0...
The figure shows two masses connected by a cord passing over a pulley of radius R0 and moment of inertia I. Mass M1slides on a frictionless surface, and M2 hangs freely. (a) Determine a formula for the angular momentum of the system about the pulley axis, as a function of the speed v of mass M1 or M2. (Use R0 for R0, M1 for M1, M2 for M2, I,v and g for gravity, as necessary.) (b) Determine a formula for...
A 28.0-kg block is connected to an empty 2.56-kgbucket by a cord running over a frictionless...
A 28.0-kg block is connected to an empty 2.56-kgbucket by a cord running over a frictionless pulley. The coefficient of static friction between the table and the block is 0.41 and the coefficient of kinetic friction between the table and the block is 0.32. Sand is gradually added to the bucket until the system just begins to move. Ignore mass of cord. (Figure 1) Calculate the mass of sand added to the bucket. Calculate the acceleration of the system.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT