1. For the 4kg hanging mass: Draw a downward arrow labeled "mg" (or "39.2 N") and an upward arrow labeled "T₁".
For the 5kg cart: Draw a downward arrow labeled "mg" (or "49 N"), an upward arrow labeled "F_N", a leftward arrow labeled "T₁", and a rightward arrow labeled "T₂".
2. For mass M: Draw a downward arrow labeled "Mg" and an upward arrow labeled "T".
For the 1kg block on the incline: Draw a downward arrow labeled "mg" (or "9.8 N"), an arrow perpendicular to the incline labeled "F_N", an arrow up the incline labeled "f_k" (kinetic friction), and an arrow down the incline labeled "T".
3. For the 1kg block: Draw a downward arrow labeled "mg" (or "9.8 N"), an arrow perpendicular to the incline labeled "F_N1", and an arrow up the incline labeled "F_f1" (friction from the 2kg block).
For the 2kg block: Draw a downward arrow labeled "mg" (or "19.6 N"), an arrow perpendicular to the incline labeled "F_N2", an arrow down the incline labeled "F_f2" (kinetic friction from the incline), and an arrow up the incline labeled "F_f1" (friction from the 1kg block).
Parent Tip: Review the logic above to help your child master the concept of free body diagram practice worksheet.
