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Asked Jun 20, 2019
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157 N. Determine the normal reaction forces at A and B. The mass of the cylinder is m
The horizontal force P
5
kg and that of the cart is M 18 kg. Neglect all friction.
B
P
M
580
580
Answers:
NA
N
270.44
=
N
NB
62.44
2
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Show Attempt History Current Attempt in Progress Incorrect 157 N. Determine the normal reaction forces at A and B. The mass of the cylinder is m The horizontal force P 5 kg and that of the cart is M 18 kg. Neglect all friction. B P M 580 580 Answers: NA N 270.44 = N NB 62.44 2

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Expert Answer

Step 1

The horizontal force P = 157 N

The mass of the cylinder m = 5kg

The mass of cart M = 18 kg

Friction is neglected.

Step 2

Let us first draw the free body diagram of the cylinder and resolving the reaction force components in horizontal and vertical direction

ma
320
320
N B
N
mg
NBCos32°
NACOS32°
320
320
NBSin32°
NASin32°
N B
N
A
mg
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ma 320 320 N B N mg NBCos32° NACOS32° 320 320 NBSin32° NASin32° N B N A mg

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Step 3

Let us calculate the value of accelera...

Force Massx Acceleration
Р-(m+M)xха
P
a
(т+M)
Putting the given values in the given equation
157
(5+18)
a 6.826m/s2
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Force Massx Acceleration Р-(m+M)xха P a (т+M) Putting the given values in the given equation 157 (5+18) a 6.826m/s2

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