Kento the giraffe has cleaned his room a Sever boxes of toys

Kento the giraffe has cleaned his room a) Sever boxes of toys are stacked in the corner. Give m_1 15 kg m_2 = 34 kg, and m_3 = 26 kg, find the contact forces between the boxes, and between the bottom box and then floor. Some baskets full of toys are hanging in the other corner. Given the weights, m_1 g - 25N, m_2 g = 36N and m_2 g = 43N find the tensions in the ropes.

Solution

SOLUTION

a) Force between m1 and m2, F1 = m1*g = 15*9.81 = 147.15 N

Force between m2 and m3, F2 = (m1+m2)*g = (15+34)*9.81 = 480.7 N

Force between m3 and floor, F3 = (m1+m2+m3)*g = (15+34+26)*9.81 = 435.75 N

b) Tension, T1 = (m1+m2+m3)*g = 25+36+43 = 104 N

Tension, T2 = (m2+m3)*g = 36+43 = 79 N

Tension, T3 = (m3)*g = 43 N