Consider the situation depicted in this applet. The red block moves along a rough surface. The...
Consider the situation depicted in this applet. The red block moves along a rough surface. The system begins at rest. You may assume that the pulley and rope are both massless and frictionless. Which of the following forces act upon the light gray block?
| tension | |
| gravitational force | |
| friction | |
| normal force |
Homework Answers
tension, gravitational,
tension upwards from rope, and gravity downwards.
I am assuming green box in the following diagram is the grey bos in the question
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Consider the situation depicted in this applet. The red block
moves along a rough surface. The...
A Modified Atwood Machine
Consider the situation depicted in this applet. The red block moves along a rough surface. The system begins at rest. You may assume that the pulley and rope are both massless and frictionless.Find an expression for the acceleration a of the red block after it is released. Use mr for the mass of the red block, mg for the mass of the gray block, and uk for the coefficient of kinetic friction between the table and the red block. Express...
A 5 kg block is released from rest on a plane with a rough surface that...
A 5 kg block is released from rest on a plane with a rough surface that is inclined at 25 degree. The coefficient of kinetic friction between the block and the plate is 0.2 and the coefficient of state friction between the block and the plane is 0.5. Draw a free body diagram of the block. What is the acceleration of the block? For the system below, m1 = 10 kg and m2 = 15 kg. The table and pulley...
A block is pulled along a rough horizontal surface by force of magnitude 100 Newtons, at...
A block is pulled along a rough horizontal surface by force of
magnitude 100 Newtons, at an angle of 30 degrees as shown. The
block has a mass M=20.0 kg, and the coefficient of kinetic friction
between the block and the surface is 0.50.
a)The horizontal component of the tension, T, is
b)The normal force exerted upward by the floor on the block has
a magnitude of
c)If the block moves 10.0 m to the right, the work done by...
A block of mass 2.20 kg is accelerated across a rough surface by a rope passing...
A block of mass 2.20 kg is accelerated across a rough surface by
a rope passing over a pulley, as shown below. The tension in the
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block. The coefficient of kinetic friction is 0.400. a. Determine
the acceleration of the block when x = 0.400 m. b. Find the value
of x at which the acceleration becomes zero.
A block of mass 2m is intially at rest on a rough inclined plane where ?...
A block of mass 2m is intially at rest on a rough inclined plane
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the rope may be considerd massless, and the pulley may be considerd
frictionless . the cofficient of static friction between the block
and the plabe is us and the cofficient of kinetic
friction between the block and the plane is uk.
1. What is the magnitude of the static frictional force...
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A 18 kg block with a pulley attached slides along a frictionless
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the arrangement shown. The acceleration of gravity is 9.81 m/s 2 .
Find the horizontal distance the 18kg block moves when the 5.5 kg
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A mass M slides upward along a rough plane surface inclined at angle to the horizontal....
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Blocks A and B of masses 10 kg and 7 kg. respectively, are connected by a...
Blocks A and B of masses 10 kg and 7 kg. respectively, are connected by a rope, which passes over a light frictionless pulley, as shown. The horizontal surface is rough. The coefficients of static and kinetic friction are 0.40 and 0.20. respectively. External forces P and Q act on block B, as shown. a. First, let Force P and Q be 0 N. What is the acceleration of the system? b. In Figure 5.20. force P equals 28 N....
A block of mass M is pulled over a rough horizontal surface. The block has a...
A block of mass M is pulled over a rough horizontal surface. The block has a coefficient of kinetic friction with the surface of . The block is subject to the normal force, the friction force, the force of gravity, and a force from a rope of magnitude T which pulls up and to the right at an angle of 0 with the horizontal. The box was initially travelling to the right at speed v = 2.7 m. If M...
A 5 kg block is released from rest on a plane with a rough surface that is inclined at 25 degree. The coefficient of kinetic friction between the block and the plate is 0.2 and the coefficient of state friction between the block and the plane is 0.5. Draw a free body diagram of the block. What is the acceleration of the block? For the system below, m1 = 10 kg and m2 = 15 kg. The table and pulley...
A block is pulled along a rough horizontal surface by force of
magnitude 100 Newtons, at an angle of 30 degrees as shown. The
block has a mass M=20.0 kg, and the coefficient of kinetic friction
between the block and the surface is 0.50.
a)The horizontal component of the tension, T, is
b)The normal force exerted upward by the floor on the block has
a magnitude of
c)If the block moves 10.0 m to the right, the work done by...
A block of mass 2.20 kg is accelerated across a rough surface by
a rope passing over a pulley, as shown below. The tension in the
rope is 10.0 N, and the pulley is 10.0 cm above the top of the
block. The coefficient of kinetic friction is 0.400. a. Determine
the acceleration of the block when x = 0.400 m. b. Find the value
of x at which the acceleration becomes zero.
A block of mass 2m is intially at rest on a rough inclined plane
where ? < 30 and is connected to an object with mass m as shown.
the rope may be considerd massless, and the pulley may be considerd
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Blocks A and B of masses 10 kg and 7 kg. respectively, are connected by a rope, which passes over a light frictionless pulley, as shown. The horizontal surface is rough. The coefficients of static and kinetic friction are 0.40 and 0.20. respectively. External forces P and Q act on block B, as shown. a. First, let Force P and Q be 0 N. What is the acceleration of the system? b. In Figure 5.20. force P equals 28 N....
A block of mass M is pulled over a rough horizontal surface. The block has a coefficient of kinetic friction with the surface of . The block is subject to the normal force, the friction force, the force of gravity, and a force from a rope of magnitude T which pulls up and to the right at an angle of 0 with the horizontal. The box was initially travelling to the right at speed v = 2.7 m. If M...
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