(a) hitunglah resultan gaya yang bekerja pada ketiga benda tersebut!
(b) benda manakah yang memiliki percepatan terbesar?
(b) benda manakah yang memiliki percepatan terbesar?
Answer:
a. Green is 40N to the left
Red is 20N to the left
Blue is 260N to the left
b. The highest acceleration is achieved on the blue object which has 5,2 m/s^2 acceleration
Explanation:
Green object which has the mass of 40kg and resultant force of (60-100) = -40N or 40N to the left. The acceleration of this object is:
F= ma
40= 40 x a
a= 1 m/s^2
Red object which has the mass of 20kg and resultant force of (30-50) = -20 or 20N to the left. The acceleration of this object is:
F= ma
20= 20 x a
a= 1 m/s^2
Blue object which has the mass of 50kg and resultant force of (40-200) = -260 or 260N to the left. The acceleration of this object is:
F= ma
260= 50 x a
a= 5,2 m/s^2
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