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Science
PhysicsQ&A Library

A 7.8 kg object experiences an acceleration of 1.3 m/s2.(a)What is the magnitude of the resultant force acting on it (in N)?N(b)If this same force is applied to a 4.7 kg object, what is the magnitude of the acceleration (in m/s2)?m/s2

Question
Asked Nov 4, 2019
A 7.8 kg object experiences an acceleration of 1.3 m/s2.
(a)
What is the magnitude of the resultant force acting on it (in N)?
N
(b)
If this same force is applied to a 4.7 kg object, what is the magnitude of the acceleration (in m/s2)?
m/s2
check_circleExpert Solution
Step 1

(a)

 

Apply Newton’s second law of motion on the object, and solve for ...

F ma F (7.8 kg) (1.3 m/s?) 1N 10.14 kg m/s 1 kg m/s2 -10.14 N
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F ma F (7.8 kg) (1.3 m/s?) 1N 10.14 kg m/s 1 kg m/s2 -10.14 N

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