In the diagram shown, a \(20 \, \text{N}\) force is applied to block \(B\) (\(7 \, \text{kg}\)). Block \(A\) has a mass of \(3 \, \text{kg}\). Assume frictionless conditions.(a) Calculate the acceleration of the system , (b) Calculate the normal force between the \(2\) masses , (c) Bonus: What would happen to the acceleration and normal force if the force was applied to block \(A\) instead? :

\(2\,\text{m/s}^2\) \(6\,\text{N}\) Acceleration stays the same; the normal force more than doubles.

In the diagram shown, a \(20 \, \text{N}\) force is applied to block \(B\) (\(7 \, \text{kg}\)). Block \(A\) has a mass of \(3 \, \text{kg}\). Assume frictionless conditions. • Nerd Notes

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AP Physics 1

2.5 Newton’s Second Law

2.3 Newton’s Third Law

2.2 Forces and Free-Body Diagrams

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Figure 1. A horizontal force F pushes block B, which pushes block A on a frictionless floor.

In the diagram shown, a \(20 \, \text{N}\) force is applied to block \(B\) (\(7 \, \text{kg}\)). Block \(A\) has a mass of \(3 \, \text{kg}\). Assume frictionless conditions.

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