12.5 times 14 and convert to meters its 1.75 meters per second
The correct answer to this is (A. Units Only).
It shows that there is a velocity of 35, but the units are missing.
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Answer:
296 N
Explanation:
Draw a free body diagram. The box has two forces on it: tension up and weight down.
Apply Newton's second law:
∑F = ma
T − mg = ma
T = m (g + a)
Given m = 196 N / 9.8 m/s² = 20 kg, and a = +5 m/s²:
T = (20 kg) (9.8 m/s² + 5 m/s²)
T = 296 N