The adult members of your family take turns in going out of your residence to buy essential supplies. For this week, your father is scheduled for the task. Once in the supermarket, he immediately gets a pushcart and checks the shopping list. Headed to the Bread Section, he pushed the empty cart (m = 3 kg) causing it to yield an acceleration of 4.5 m/s2.
a. How much force was applied to the cart?
b. Assume that the force applied remains constant. What would be the acceleration of the cart once it is loaded with 7 kg of grocery items?
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physical substance in general, as distinct from mind and spirit; (in physics) that which occupies space and possesses rest mass, especially as distinct from energy.
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