High School

Find the weight of a 15 kg rock. The acceleration due to gravity is [tex]9.8 \, \text{m/s}^2[/tex].

A. 1.53 N
B. 15 N
C. 147 N
D. 5.2 N

Answer :

Weight = Mass × Gravity

Mass = 15 kg

Gravity = 9.8 m/s^2

Weight = 15 kg × 9.81 m/s^2 = 147 N

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