laibabakhash laibabakhash

14-06-2021
Physics

contestada

two objects 5 kg and 7 kg are attached to the end of inextensible string which passes over frictionless pulley
such that 5 kg moving on horizontal surface and 7 kg on vertical surface find acceleration in system and tension in string

Respuesta :

Fifhermanaax Fifhermanaax

25-06-2021

Answer:

ans:

tenson(T) = 20 N

acceleration (a) = 2.86 m/s

Explanation:

T + mg = Mg

T = Mg - mg

T = g( M - m )

T = 10× ( 7-5 )

T = 20 N

again;

T = 20

Ma = 20

a = 20 / 7

= 2.86 m/s

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