H2P-75
Conditions for equilibrium
H2 Physics · JC 1 · Easy · Conditions for equilibrium
Two identical 4.0 kg blocks hang from light strings over smooth pulleys at each end of a table and are joined by a light spring balance on the table. The system is in equilibrium. What is the reading on the spring balance?
- 39.2 N
- 19.6 N
- 78.5 N
- 4.0 N
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