Question

In the figure, two blocks are shown with an inclined plane. The
two blocks are connected by a massless string strung over a
massless pulley. The mass of Block *#1* is 3.57 kg and that
of Block *#2* is 11.0 kg. The angle *θ* of the
incline is 43.0 degrees. The plane is NOT smooth and has a
coefficient of static friction of 0.570 and a coefficient of
kinetic friction of 0.240.

Taking the positive direction to be up the incline, determine the
following:

(a) the acceleration of Block *#1* if it is initially at
rest.

m/s^{2}

(b) the acceleration of Block *#1* if it is already moving
up the plane.

m/s^{2}

(c) the acceleration of Block *#1* if it is already moving
down the plane.

m/s^{2}

Answer #1

Two blocks (m1=5.5kg, m2=7.2kg
) 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 = 310 with the
horizontal and the kinetic friction coefficient between the
inclined plane and m1 is
=0.35. Take g=10m/s2 Find
the speed of the block with mass m2 after it travels
h=5.6m.

In the figure below the two blocks are connected by a string of
negligible mass passing over a frictionless pulley.
m1 = 10.0 kg and m2 = 5.50
kg and the angle of the incline is θ = 39.0°. Assume that
the incline is smooth. (Assume the +x direction is down
the incline of the plane.)
(a)
With what acceleration (in m/s2) does the mass
m2 move on the incline surface? Indicate the
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M1 has a mass of 2.25 kg and is on an incline of θ1=46.5∘ with
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M2 has a mass of 6.05 kg and is on an incline of θ2=33.5∘ with
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The two‑block system is in motion with the block of mass M2
sliding down the ramp.
Find the magnitude...

Two blocks with masses M1 and M2 are connected by a massless
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incline of 31.5° with coefficient of kinetic friction ?2 = 0.105.
Find the magnitude of the acceleration of M2 down the incline.

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Block A is on a rough incline with the coefficient of kinetic
friction of μk =0.10 between the block and the incline.
The angle of the incline is θ=30°.
a) Calculate the normal force on block A.
b) Calculate the frictional force on block A from...

In the figure, a 5.40 kg block is sent sliding up a plane
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(a) magnitude and (b) direction
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A 1 kg block, starting from rest, slides down a 22 degree
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A block m1= 0.5kg slides on a plane inclined at 300 to the
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has a mass m2=0.2kg hanging at the other end. The coefficients of
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Refer to this moment and: a) Draw FBD for both blocks. b) Write...

Two blocks are positioned on surfaces, each inclined at the same
angle of 46.3 degrees with respect to the horizontal. The blocks
are connected by a rope which rests on a frictionless pulley at the
top of the inclines as shown, so the blocks can slide together. The
mass of the black block is 2.25 kg, and the coefficient of kinetic
friction for both blocks and inclines is 0.440. Assume static
friction has been overcome and that everything can slide....

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