Description
HELLO, need help answering about 6 questions on motion newton law. I have death in my family no time for work this week. this is in a physical Science Class
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The solutions are ready, please ask if something is unclear.The questions 2 and 6 may have different answers.docx and pdf files are identical
1. 𝐹 = 𝑚𝑎 = 𝑚𝑎𝑠𝑠 ∙
𝑓𝑖𝑛𝑎𝑙 𝑣𝑒𝑙𝑜𝑐𝑖𝑡𝑦 − 𝑖𝑛𝑖𝑡𝑖𝑎𝑙 𝑣𝑒𝑙𝑜𝑐𝑖𝑡𝑦
𝑡𝑖𝑚𝑒
= 1200 ∙
30−15
10
= 120 ∙ 15 = 𝟏𝟖𝟎𝟎 (𝑵).
2. Which one of Newton's laws of motion applies to the following situation?
"A stationary chair in a room"
Actually, all three.
The First: because all forces (gravitational and reaction) are compensated, the chair
resides in rest.
The Second: 𝐹 = 𝑚𝑎, 𝐹 = 0, 𝑎 = 0.
The Third: the force which acts from the floor to the chair and the force that acts from the
chair to the floor have the same magn...
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