Items 11-13 Solve the following problems: show your solutions.
11.How much is the force needed to have a 5kg mass with an acceleration of 2m/s2?
12.What is the acceleration of a 2 kg stone kicked by 3 N force?
13.Find the mass of an object with an acceleration of 3 m/s2 with force applied of 15 kg m /s2.
11.How much is the force needed to have a 5kg mass with an acceleration of 2m/s2?
12.What is the acceleration of a 2 kg stone kicked by 3 N force?
13.Find the mass of an object with an acceleration of 3 m/s2 with force applied of 15 kg m /s2.
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Problem 11:
Given:
m = 5 kg
a = 2 m/s²
Required:
F
Solution:
F = ma
F = (5 kg)(2 m/s²)
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Problem 12:
Given:
F = 3 N
m = 2 kg
Required:
a
Solution:
F = ma
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Problem 13:
Given:
F = 15 N
a = 3 m/s²
Required:
m
Solution:
F = ma