Tamara exerts a force downward on a chair by sitting on it. Which of the following statements best explains why the chair does not move downward?
A The chair exerts an upward force that is greater than the force exerted by Tamara
B
The floor exerts an upward force that is greater than the force exerted by Tamara
The chair exerts an upward force that balances the downward force exerted by Tamara
D
The floor exerts an upward force on the chair that balances the downward force exerted by Tamara
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