Question

Two packing crates of masses

*m*_{1} = 10.0 kg

and

*m*_{2} = 4.70 kg

are connected by a light string that passes over a frictionless pulley as in the figure below. The 4.70-kg crate lies on a smooth incline of angle 35.0°. Find the following.

Two crates are connected to each other by a string that passes
over a pulley, which is attached to the top corner of a wedge. The
crate of mass *m*_{1} hangs freely below the pulley.
The crate of mass *m*_{2} rests on the wedge's
inclined surface that makes an angle *θ* with the
horizontal.

(a) the acceleration of the 4.70-kg crate

m/s^{2} (up the incline)

(b) the tension in the string

N

Answer #1

Two masses M1 and M2 are connected by an inextensible
flexible massless string. The mass rests on a table with frictional
co-efficient 0.2. The string passes over a smooth fixed pulley as
shown. Initially the string is slack The mass M2 is allowed to fall
freely from rest. The string becomes taught when the mass M2 falls
through 50 cm. The two masses subsequently move with common
velocity. Determine how far mass M1 will travel on the table before
coming...

Two blocks with masses M1 and M2 are connected by a massless
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kinetic friction ?1 = 0.205. M2 has a mass of 5.45 kg and is on an
incline of 31.5° with coefficient of kinetic friction ?2 = 0.105.
Find the magnitude of the acceleration of M2 down the incline.

Objects with masses m1 = 12.0 kg and
m2 = 8.0 kg are connected by a light string
that passes over a frictionless pulley as in the figure below. If,
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m in 1.48 s, determine the coefficient of kinetic friction between
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Express the friction force in terms of the coefficient of kinetic
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Two blocks with masses M1 and M2 are connected by a massless
string that passes over a massless pulley as shown.
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
coefficient of kinetic friction μ2=0.105.
The two‑block system is in motion with the block of mass M2
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Find the magnitude...

Objects with masses m1 = 11.0 kg and
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Two objects with masses of m1 = 3.90 kg and
m2 = 5.70 kg are connected by a light string
that passes over a frictionless pulley, as in the figure below.
A string passes over a pulley which is suspended from a
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(a) Determine the tension in the string. (Enter the magnitude
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An Atwood's machine consists of two masses, m1 and m2, connected
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Express your answer in terms of the variables m1, m2, R,
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An
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a) Neglecting friction, what is the acceleration of these
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