1. What are the readings of the scales on the two spring balances? How will you n compare them?
2. Where does the reading on the scale of spring balance B come from? 3. Where does the reading on the scale of spring balance A come from?
4. In what direction is spring balance A being pulled by B?
5. In what direction is spring balance B being pulled by A?
6. How will you compare these directions?
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2. Where does the reading on the scale of spring balance B come from? 3. Where does the reading on the scale of spring balance A come from?
4. In what direction is spring balance A being pulled by B?
5. In what direction is spring balance B being pulled by A?
6. How will you compare these directions?
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Answer:
1.Expected reading in two spring balance are equal.
2 The scale on top would read slightly heavier due to also supporting the weight of the lower scale itself. Spring balances come in different sizes.
3.The balance contains a spring which provides a measure of the force applied to the balance. The larger the force, the more the spring extends, with the force level indicated by the scale on the balance.
4.To stretch the spring, the hook must be pulled away from the balance. So balance B is exerting a force on balance A towards the right, and balance A is exerting a force on balance B towards the left.
5.To stretch the spring, the hook must be pulled away from the balance. So balance B is exerting a force on balance A towards the right, and balance A is exerting a force on balance B towards the left.
6.
Explanation: