What is the tension on a rope holding up a 7.50 kg box?
A) 7.50N
B) 73.5N1
C) 7.3N
D) 0.765N
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Ответ:
B
Explanation:
F=m×g
=7.50×9.8 (standard gravitational force of earth)
=73.5N
Ответ:
c
Explanation: