w = mg Suppose your mass is 77 kg. GEarth = 9.8 m/s² 9Moon = 1.62 m/s² 1. What is your weight on Earth? 2. What is your weight on Moon? . 3. Compare your weights on Moon and on Earth.

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w = mg
Suppose your
mass is 77 kg.
GEarth = 9.8 m/s²
IMoon = 1.62 m/s²
1. What is your weight on Earth?
2. What is your weight on Moon?
3. Compare your weights on Moon and on Earth.
Transcribed Image Text:w = mg Suppose your mass is 77 kg. GEarth = 9.8 m/s² IMoon = 1.62 m/s² 1. What is your weight on Earth? 2. What is your weight on Moon? 3. Compare your weights on Moon and on Earth.
4. What do you think is the reason why we have different weights if we go to the
Moon or to another planet?
Below shows a table of the different acceleration due to gravity of the planets in the
Solar System.
Acceleration due
to gravity (g) in
m/s?
Body
Mass (kg)
Radius (m)
Sun
Mercury
Venus
1.99 x 1030
3.18 x 1023
4.88 x 1024
5.98 x 1024
7.36 x 1022
6.42 x 1023
1.90 x 1027
5.68 x 1026
8.68 x 1025
1.03 x 1026
1.40 x 1022
6.96 x 108
2.43 x 106
6.06 x 106
6.38 x 106
1.74 x 106
3.37 x 106
6.99 x 107
5.85 x 107
2.33 х 107
2.21 x 107
1.50 x 106
274.13
3.59
8.87
Earth
9.81
Moon
Mars
1.62
3.77
25.95
Jupiter
Saturn
Uranus
11.08
10.67
Neptune
Pluto
14.07
0.42
(Source: http://www.aerospaceweb.org/question/astronomy/q0227.shtml)
5. Basing from the table, which planet would you weigh the greatest? The least?
6. If you weigh 340 N on Mars, what would be your mass? How would you
compare your weight on Mars to that on Earth?
7. Based on the activity, how can you define "weight"?
8. What do you think is the relationship between gravity and weight?
Transcribed Image Text:4. What do you think is the reason why we have different weights if we go to the Moon or to another planet? Below shows a table of the different acceleration due to gravity of the planets in the Solar System. Acceleration due to gravity (g) in m/s? Body Mass (kg) Radius (m) Sun Mercury Venus 1.99 x 1030 3.18 x 1023 4.88 x 1024 5.98 x 1024 7.36 x 1022 6.42 x 1023 1.90 x 1027 5.68 x 1026 8.68 x 1025 1.03 x 1026 1.40 x 1022 6.96 x 108 2.43 x 106 6.06 x 106 6.38 x 106 1.74 x 106 3.37 x 106 6.99 x 107 5.85 x 107 2.33 х 107 2.21 x 107 1.50 x 106 274.13 3.59 8.87 Earth 9.81 Moon Mars 1.62 3.77 25.95 Jupiter Saturn Uranus 11.08 10.67 Neptune Pluto 14.07 0.42 (Source: http://www.aerospaceweb.org/question/astronomy/q0227.shtml) 5. Basing from the table, which planet would you weigh the greatest? The least? 6. If you weigh 340 N on Mars, what would be your mass? How would you compare your weight on Mars to that on Earth? 7. Based on the activity, how can you define "weight"? 8. What do you think is the relationship between gravity and weight?
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