Well it depends, I mean cats come in different size and shapes, so you have to have a specific sort of cat.
If eight cats weigh forty pounds, then each cat weighs 5 pounds. Therefore, 16 cats would weigh 16 * 5 = 80 pounds.
You weigh 1/6 what you do on earth when youre on the moon.
Equatorial surface gravity on Jupiter is 2.528 time that of earth, so a 50lb person on earth would weigh 126.4 lbs
If you were already 100 pounds on Earth, you would still weigh 100 pounds on Earth. Your weight does not change regardless of where you are on Earth.
20
On the Moon, you'd weigh 12.24 pounds.
A man on Mars would weigh 38% of his weight on the Earth. This means that to find out a man's weight on Mars, you have to multiply their weight by 0.38. example: 100 pound man on the Earth weighs 100 X 0.38 = 38 pounds on Mars
It would weight 1/6 of what it weighs on Earth. The weight, of course, would depend on the exact bottle. For example, a 2-liter bottle has a mass of about 2 kg, and would weigh 20 Newtons on Earth. On the Moon, it would weigh a little over 3 Newtons.
the same
34 pounds.
1000000
600 million cats there are