Answer and explain questions 16-22 and 24. Two masses m* and m2 arc connected in

Question

Answer and explain questions 16-22 and 24.

Two masses m* and m2 arc connected in the manner shown. The system is accelerating downward with acceleration of magnitude g/2 Determine T2. T2 = (m2 - 1/2 m1)g T2 = 1/2(m2 - m1)g T2 = 3/2 m2 g T2 = 1/2m2g T2 = (1/2 m2 - m1)g T2 = m2 g Determine T1 None of these T1= 5/2 (m1+ m2)g T1= 2 (m1+ m2)g T1= 1/2 (m1+ m2)g T1= 3/2 (m1+ m2)g T1= (m1+ m2)g Given: The pulley is masslcss and frictionlcss and attached to the ceiling. A masslcss inex- tensible string is attached to the masses Mb and Ma, where Mb > Ma. The tensions Ty, Tx, Tx, and the gravitational constant g are magnitudes. Consider the following possibilities and select the correct choice Ty = Tx Ty Tx Consider the following possibilities and select the correct choice Tz = Mbg + Mag Tz > Mbg + Mag Tz

Explanation / Answer

16 . m2g - T2 = m2g/2
T2 = M2g/2

ANs. 4

17 . (m1g +m2g) - T1 = (m1 + m2)g/2
T1 = (m1 + m2)g/2
Ans. 4

18. since it will have some acc.
so Ty will not be equal to Mbg
coorect choices :
Mbg - Mba = Ty
so Ty < Mbg
and    Mag + Maa = Tx
Tx > Mag

ans 4

19. Ty = Tx
Ans/   1

20
Tz = Mag + mAg
1.

21. Tz = Tx + Ty
Ans. 1

22. ax = ay
Ans.2

24. N = mgcos28 = 70gcos28 = 605.70 N

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