If by compare you mean find the ratio of their weights, then if the spring balance were specially designed for the purpose they could do it. First, you have to be talking about a place in space where they actually have some weight (like in orbit around a planet) and you have to believe in the idea that weight is proportional to mass. You could do a measurement to find the ratio of the masses, and from that the ratio of their weights. It would involve conservation of momentum. The spring balance could be something like a slinky spring, with flexible vanes attached to each loop (imagine a small sticky note paper stuck to each coil of the spring).Fusilli_Jerry89 said:Using a spring balance in space to measure the weight of anything is useless. Is there any way to use a spring balance to compare the weight of two people in space?
A spring balance works in space the same way it does on Earth. It measures the weight of an object by the amount of force required to stretch a spring. This force is then converted into weight using the equation F=ma, where F is force, m is mass, and a is acceleration. In space, the force of gravity may be different, but the spring balance is still able to accurately measure the weight of an object.
Yes, a spring balance can be used in zero gravity. In fact, it is often used by astronauts to measure the mass of objects in space. The spring balance may need to be calibrated for the specific conditions of zero gravity, but it will still function in the same way as it does on Earth.
The lack of gravity does not affect the readings on a spring balance in space. The spring balance measures weight, which is the force of gravity acting on an object. In space, the force of gravity may be different, but the spring balance is still able to accurately measure this force and thus the weight of the object.
No, a spring balance is not affected by the movement of objects in space. The spring balance measures the weight of an object, which is a measure of the force of gravity acting on the object. The movement of objects in space does not affect the force of gravity, and therefore does not affect the readings on a spring balance.
Yes, a spring balance can be used to measure weight in all types of environments in space. As long as the spring balance is calibrated for the specific conditions, such as zero gravity, it will be able to accurately measure the weight of an object in any environment in space.