Three Boxes Are Pushed Across a Frictionless Horizontal Surface as Shown.When

question 96

Multiple Choice

Three boxes are pushed across a frictionless horizontal surface as shown.When we compare the normal force N_2,5 that mass 2m exerts on mass 5m with the normal force N_5,10 that mass 5m exerts on mass 10m,we find that

• A)N_2,5 = N_5,10 = F.
• B)N_2,5 = F > N_5,10.
• C)F > N_2,5 = N_5,10.
• D)F > N_2,5 > N_5,10.
• E)F > N_5,10 > N_2,5.