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When 2 pulleys are considered such that tension acting in 1st pulley is twice that of in the 2nd pulley , then why is the acceleration of the 1st pulley is half of that of 2nd pulley? T1= 2T2 a2=2a1
Dear Naman, he blocks are connected by a taut string. Hence, their accelerations are same. Let us assume directions of accelerations as shown in the figure. Also, let the magnitude of accelerations be “a”. Figure 2 Static pulley system Free body diagram of body of mass 10 kg The external forces are (i) weight of block, 10g, and (ii) tension, T, in the string. Figure 3 Free body diagram ∑F y =T−10g=10a ⇒T−10x10=10a ⇒T=100+10a Free body diagram of body of mass 20 kg The external forces are (i) weight of block, 20g, and (ii) tension, T, in the string. Cracking IIT just got more exciting,It s not just all about getting assistance from IITians, alongside Target Achievement and Rewards play an important role. ASKIITIANS has it all for you, wherein you get assistance only from IITians for your preparation and win by answering queries in the discussion forums. Reward points 5 + 15 for all those who upload their pic and download the ASKIITIANS Toolbar, just a simple to download the toolbar…. So start the brain storming…. become a leader with Elite Expert League ASKIITIANS Thanks Aman Bansal Askiitian Expert
Dear Naman,
he blocks are connected by a taut string. Hence, their accelerations are same. Let us assume directions of accelerations as shown in the figure. Also, let the magnitude of accelerations be “a”.
Free body diagram of body of mass 10 kg
The external forces are (i) weight of block, 10g, and (ii) tension, T, in the string.
Free body diagram of body of mass 20 kg
The external forces are (i) weight of block, 20g, and (ii) tension, T, in the string.
Cracking IIT just got more exciting,It s not just all about getting assistance from IITians, alongside Target Achievement and Rewards play an important role. ASKIITIANS has it all for you, wherein you get assistance only from IITians for your preparation and win by answering queries in the discussion forums. Reward points 5 + 15 for all those who upload their pic and download the ASKIITIANS Toolbar, just a simple to download the toolbar….
So start the brain storming…. become a leader with Elite Expert League ASKIITIANS
Thanks
Aman Bansal
Askiitian Expert
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