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In the system shown in figure all surfaces are smooth. String

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In the system shown in figure all surfaces are smooth. String is massless and inextensible. Find acceleration a of the system and tension $T$ in the string. $(g = 10 m / s^{2})$

Name: Video solution 1: In the system shown in figure all surfaces are smooth. String is massless and inextensible. Find acceleration a of the system and tension T in the string. (g=10 m/s2)
Uploaded: 2022-06-14T05:45:56.000Z
Duration: 8 min
Description: Video solution 1: In the system shown in figure all surfaces are smooth. String is massless and inextensible. Find acceleration a of the system and tension T in the string. (g=10 m/s2)

Views: 6,739 students

Updated on: Jun 14, 2022

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Charlotte Discussed

In the system shown in figure all surfaces are smooth. String is massless and inextensible. Find acceleration a of the system and tension

T

in the string.

(g = 10 m / s^{2})

6 mins ago

Discuss this question LIVE

6 mins ago

Text solutionVerified

Here, weight of

2 kg

is perpendicular to motion (or

a

). Hence, it will not contribute in net pulling force. Only weight of

4 kg

block will be included.

∴ a = \frac{Net pulling force}{Total mass} = \frac{( 4 ) ( 10 )}{( 4 + 2 )} = \frac{20}{3} m / s^{2} Ans.

For

T

, consider FBD of 4 kg block. Writing equation of motion.

∴ 40 - T ∴ = 4 a = 40 - 4 a = 40 - 4 (\frac{20}{3}) = \frac{40}{3} N

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Question Text	In the system shown in figure all surfaces are smooth. String is massless and inextensible. Find acceleration a of the system and tension $T$ in the string. $(g = 10 m / s^{2})$
Updated On	Jun 14, 2022
Topic	Force and Laws of Motion
Subject	Science
Class	Class 9
Answer Type	Text solution:1 Video solution: 2
Upvotes	300
Avg. Video Duration	8 min

In the system shown in figure all surfaces are smooth. String is massless and inextensible. Find acceleration a of the system and tension $T$ in the string. $(g = 10 m / s^{2})$

Text solutionVerified

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In the system shown in figure all surfaces are smooth. String is massless and inextensible. Find acceleration a of the system and tension T in the string. (g=10 m/s2)

Text solutionVerified

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In the system shown in figure all surfaces are smooth. String is massless and inextensible. Find acceleration a of the system and tension $T$ in the string. $(g = 10 m / s^{2})$