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secondary 4 | Physics
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Maxven
Maxven

secondary 4 chevron_right Physics chevron_right Singapore

Help me solve part (a) thanks

Date Posted: 5 years ago
Views: 761
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snell
Snell
5 years ago
A107 Phy? RP?
snell
Snell
5 years ago
assuming 1200kg acc. down,
900kg acc. up

free body diagram of 1200kg:
1200xg - T = 1200xa

free body diagram of 900kg:
T - 900xg = 900xa
T = 900a + 900g

1200g - 900a - 900g = 1200a
2100a = 300g
a = 10/7 = 1.43 m/s^2

T = 900x10/7 + 9000 = 10 300 N