Orbiting Bodies' Properties Quick Check
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Question
The table shows properties of some planets in the solar system.
Property Venus Earth Mars Jupiter Saturn Neptune
Average Distance from the Sun (AU) 0.72 1.0 1.5 5.2 9.5 30
Length of Year (Earth years) 0.62 1.0 1.9 11.9 29.4 164.8
Time for One Rotation (Earth days) 243 1.0 1.03 0.41 0.44 0.67
Mass (compared to Earth) 0.80 1.0 0.1 318 95 17
Surface Gravity (compared to Earth) 0.90 1.0 0.38 2.53 1.06 1.14
Size (compared to Earth) 0.94 1.0 0.53 11.0 9.1 3.9
Average Surface Temperature (ºC) 462 14 –62 –145 –140 –214
Number of Moons 0 1 2 79 82 14
The weight of an object depends on the force of gravity acting on it. On which planet would a given object weigh the most?
(1 point)
Responses
Saturn
Saturn
Jupiter
Jupiter
Earth
Earth
Mars
Mars
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Jupiter
On which planet would a given object weigh the most?
The planet where a given object would weigh the most is Jupiter.
To determine on which planet a given object would weigh the most, you need to compare the surface gravity of each planet. The surface gravity is a measure of the force of gravity at the surface of the planet, and it determines the weight of objects on that planet.
Looking at the table, the surface gravity values for each planet compared to Earth are as follows:
Venus: 0.90
Earth: 1.0
Mars: 0.38
Jupiter: 2.53
Saturn: 1.06
Neptune: 1.14
Since the surface gravity of Jupiter is the highest at 2.53 times that of Earth, a given object would weigh the most on Jupiter compared to all the other planets listed in the table. Therefore, the correct answer is Jupiter.