PH-121
Mass and weight
Physics · Secondary 3 · Hard · Mass and weight
A 5.0 kg object is suspended by two vertical strings. The tensions in the strings are 20 N and 29 N. The object is at rest. What is the gravitational field strength at this place?
- 9.8 N kg⁻¹
- 4.9 N kg⁻¹
- 2.5 N kg⁻¹
- 14 N kg⁻¹
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