1. identifying a question through observations. then a hypothesis is formed as a tentative explanation for the question. Third, experiments are performed to test the hypothesis. Finally, a scientific paper is written to explain the conclusions.
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The net force acting on the object perpendicular to the table is
∑ F[perp] = F[normal] - mg = 0
where mg is the weight of the object. Then
F[normal] = mg = (15 kg) (9.8 m/s²) = 147 N
The maximum magnitude of static friction is then
0.40 F[normal] = 58.8 N
which means the applied 40 N force is not enough to make the object start to move. So the object has zero acceleration and does not move.
Explanation:
Formula for finding power : 1/f
Substitution of values:
1 /13.3 = 0.07518 cm
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