A stone is weighed using a newtonmeter (spring balance) and a pair of scales (pan balance). This experiment is repeated on the Moon. Are the readings for each balance the same or different when taken on Earth and on the Moon? [Require a response in each row]*2 pointsdifferent samereading on newtonmeter reading on scales reading on newtonmeter reading on scales
Question
A stone is weighed using a newtonmeter (spring balance) and a pair of scales (pan balance). This experiment is repeated on the Moon. Are the readings for each balance the same or different when taken on Earth and on the Moon? [Require a response in each row]*2 pointsdifferent samereading on newtonmeter reading on scales reading on newtonmeter reading on scales
Solution
The readings on the newtonmeter (spring balance) and the scales (pan balance) will be different when taken on Earth and on the Moon.
The newtonmeter measures force (in this case, weight), which is dependent on gravity. Since the gravity on the Moon is about 1/6th of that on Earth, the reading on the newtonmeter will be less on the Moon than on Earth.
On the other hand, the scales (pan balance) measures mass, which is a fundamental property of matter and does not change with location. Therefore, the reading on the scales will be the same on both Earth and the Moon.
So, the readings would be:
- Reading on newtonmeter: Different
- Reading on scales: Same
- Reading on newtonmeter: Different
- Reading on scales: Same
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