As shown in the figure, a force of magnitude 7.50 N pushes three boxes with mass

Question

As shown in the figure, a force of magnitude 7.50 N pushes three boxes with masses m1 = 1.30 kg, m2 = 3.60 kg, and m3 = 5.30 kg.

(a) Find the magnitude of the contact force between boxes 1 and 2.
N

(b) Find the magnitude of the contact force between boxes 2 and 3.
N

As shown in the figure, a force of magnitude 7.50 N pushes three boxes with masses m1 = 1.30 kg, m2 = 3.60 kg, and m3 = 5.30 kg. 05-19alt.gif (a) Find the magnitude of the contact force between boxes 1 and 2. N (b) Find the magnitude of the contact force between boxes 2 and 3. N

Explanation / Answer

Acceleration of the system = Net force/(Total mass) = 7.5/(1.3+3.6+5.3) = 0.7353

a) Force between block 1 and 2 =(m2+m3)*a= (3.6+5.3)*0.7353 = 6.544 N

b) Force between block 2 and 3 =(m3)*a= (5.3)*0.7353 = 3.897 N

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