calculate the force of gravity between two object of masses between 10kg and 20kg respectively kept at a distance of 10m from one another (G=6.7 × 10¹¹ Nm²/kg²)
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Trade is a basic economic concept involving the buying and selling of goods and services, with compensation paid by a buyer to a seller, or the exchange of goods or services between parties. Trade can take place within an economy between producers and consumers
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