The mass of the ball attached to the spring is 20 Kg (Option C)
Data obtained from the question
- Spring constant (K) = 400 N/m
- Extension (e) = 0.5 m
- Mass (m) =?
How to determine the force
- Spring constant (K) = 400 N/m
- Extension (e) = 0.5 m
- Force (F) =?
F = Ke
F = 400 × 0.5
F = 200 N
How to determine the mass
- Force (F) = 200 N
- Acceleration due to gravity (g) = 10 m/s²
- Mass (m) =?
F = mg
200 = m × 10
Divide both side by 10
m = 200 / 10
m = 20 Kg
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