eburnhisel2023
08.12.2020 •
Physics
Determine the force of gravity or weight of each of the following objects or systems. Use
a calculator if needed.
w = mg
g= 9.8 m/s?
1. A 2-kg bowling ball
2. A 60-kg man holding a 10 kg bucket
3. a 30-kg grocery cart with six 7-kg bags
Solved
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Ответ:
1: 19,6 N | 2: 686 N | 3: 705,6 N
Explanation:
Just apply the formula:
1: 2 . 9,8 = 19.6 N
2: (60+10) . 9,8 = 686 N
3: [30 + (6 . 7)] . 9,8
[30 + 42] . 9,8
72 . 9,8 = 705.6 N
Just sum all the weights in the system and then multiply by gravity (9,8 in this case)
Ответ:
False
Explanation: