4. [lpt] In the figure to the right, M2 has more mass than M1 and M1 has more ma

Question

4. [lpt] In the figure to the right, M2 has more mass than M1 and M1 has more mass than M3. The questions refer to the magnitudes of tensions and weights. There M2 T2 T3 T1 T4 MI M3 is friction between the horizontal plane and M2 (mu k not equal to 0). M2 is observed to travel at a constant speed. Assume that the pulleys are frictionless and have negligible mass. Sclect the appropriate symbol for each statement: T (Truc), F (False), G (Greater than), L (Less than), or E (Equal to). (If the first two are greater than, and the last four 'less than,' then enter GGLLLL) A) MI g is .. Tl B) M3 g is ..T4 C) T2 is..T3 D) T2 is. Tl E) M1 accelerates downwards F) The magnitude of the net force on M2 is T2 - T3

Explanation / Answer

A] E, because net force on m1 is zero as it moves with constant speed

b]E, net force on m3 is zero

c]G, because T2=T3+um2g

d]E, pully is at rest

e]F, moves with constant speed

f]F, it is zero

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