A mass is measured as 15.0 kg with an uncertainty of ±0.3 kg. If this mass is used to calculate the force (F = ma) with an acceleration of 9.8 m/s², what is the uncertainty in the force?
Practice Questions
1 question
Q1
A mass is measured as 15.0 kg with an uncertainty of ±0.3 kg. If this mass is used to calculate the force (F = ma) with an acceleration of 9.8 m/s², what is the uncertainty in the force?
0.3 N
2.94 N
0.5 N
1.5 N
Uncertainty in force = a * (uncertainty in mass) = 9.8 * 0.3 = 2.94 N.
Questions & Step-by-step Solutions
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Q
Q: A mass is measured as 15.0 kg with an uncertainty of ±0.3 kg. If this mass is used to calculate the force (F = ma) with an acceleration of 9.8 m/s², what is the uncertainty in the force?
Solution: Uncertainty in force = a * (uncertainty in mass) = 9.8 * 0.3 = 2.94 N.
