1. What will be acceleration of a 0.50 kg box that is pulled with a 1 N force?
2. How net force is needed to pull a 20 kg sack of rice for it to accelerate at a rate of 1.0 m/s/s?
3. What is the mass of a box that is being dragged by a 2 N force and accelerated at a rate of 0.5 m/s2?
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Problem 1:
Given:
F = 1 N
m = 0.50 kg
Required:
a
Equation:
Solution:
Answer:
a = 2 m/s²
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Problem 2:
Given:
m = 20 kg
a = 1.0 m/s²
Required:
F
Equation:
F = ma
Solution:
F = (20 kg)(1.0 m/s²)
Answer:
F = 20 N
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Problem 3:
Given:
F = 2 N
a = 0.5 m/s²
Required:
m
Equation:
Solution:
Answer:
m = 4 kg