If you push a shopping cart in a supermarket carpark, and then let go, why does it eventually stop?Report an ErrorBecause friction acts as an unbalanced force to slow it down.Because the forces on it are balanced.Because there are no forces acting on it.Because the pushing force acts as an unbalanced force on the shopping cart.
Question
If you push a shopping cart in a supermarket carpark, and then let go, why does it eventually stop?Report an ErrorBecause friction acts as an unbalanced force to slow it down.Because the forces on it are balanced.Because there are no forces acting on it.Because the pushing force acts as an unbalanced force on the shopping cart.
Solution
The shopping cart eventually stops because friction acts as an unbalanced force to slow it down. When you push the cart and let go, there is no longer a forward force being applied to the cart. However, the force of friction (between the cart's wheels and the ground) is still present and acts in the opposite direction of the cart's motion. This frictional force gradually slows down and eventually stops the cart.
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