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The upward force is the reaction force of gravity; it is weight, which is mass x acceleration of gravity

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A box is sitting on a table. The upward force exerted on the box that stops it from falling through the table is known as the force.?

A box is sitting on a table. The upward force exerted on the box that stops it from falling through the table is known as the force.


Why won't a book resting on a table fall to the ground?

The book remains on the table due to gravity and the normal force exerted by the table upward, balancing the downward force of gravity acting on the book. As long as these forces are balanced, the book will remain at rest on the table.


Why a book lying on the table remains stationary?

The book remains stationary on the table due to the force of gravity pulling it downwards, which is balanced by the normal force exerted by the table in the upward direction. As long as these two forces are balanced, the book will stay in place.


What force stops a box from falling through a table if it sits on top of it?

The force that stops a box from falling through a table is the normal force. This force is exerted by the table in the upward direction and counteracts the downward force (weight) of the box, preventing it from falling through the table.


What is the reaction to the partner of an object sitting on a table Is the reaction force the normal force of the table acting upward to hold the object up If not then what is the correct reaction?

Yes, the reaction force to the partner of an object sitting on a table is the normal force acting upward to hold the object up. It is a result of Newton's third law of motion, where the table exerts an equal and opposite force on the object to support it against gravity.

Related Questions

A box is sitting on a table. The upward force exerted on the box that stops it from falling through the table is known as the force.?

A box is sitting on a table. The upward force exerted on the box that stops it from falling through the table is known as the force.


Why won't a book resting on a table fall to the ground?

The book remains on the table due to gravity and the normal force exerted by the table upward, balancing the downward force of gravity acting on the book. As long as these forces are balanced, the book will remain at rest on the table.


Why a book lying on the table remains stationary?

The book remains stationary on the table due to the force of gravity pulling it downwards, which is balanced by the normal force exerted by the table in the upward direction. As long as these two forces are balanced, the book will stay in place.


Is a textbook on a table a balanced force or an unbalanced force?

A textbook on a table is an example of balanced forces. The force of gravity pulling the book downward is balanced by the normal force exerted by the table in the upward direction, resulting in the book remaining stationary on the table.


What force stops a box from falling through a table if it sits on top of it?

The force that stops a box from falling through a table is the normal force. This force is exerted by the table in the upward direction and counteracts the downward force (weight) of the box, preventing it from falling through the table.


Why won't a book resting on the table fall to the ground?

Because the table is exerting an upward force on the book exactly equal and opposite to the force of gravity.


What is the reaction to the partner of an object sitting on a table Is the reaction force the normal force of the table acting upward to hold the object up If not then what is the correct reaction?

Yes, the reaction force to the partner of an object sitting on a table is the normal force acting upward to hold the object up. It is a result of Newton's third law of motion, where the table exerts an equal and opposite force on the object to support it against gravity.


What is the reaction force when you place a cup on a table?

The reaction force when you place a cup on a table is the force exerted by the table on the cup in the opposite direction to the force applied by the cup on the table. This force prevents the cup from falling through the table and keeps it in place.


When you put a book on a table the table pushes on the book?

When you place a book on a table, the table exerts an upward force on the book known as the normal force. This force is a reaction force to the downward force exerted by the book's weight due to gravity. According to Newton's third law of motion, for every action, there is an equal and opposite reaction. Therefore, the table pushes on the book with a force equal in magnitude and opposite in direction to the force the book exerts on the table.


What describes unequal forces acting on a object-results in a change in the objects motion in the direction of the larger force?

Picking up a glass of beer from the table. Force of gravity . . . down. Force of arm muscle . . . upward. Forces are unequal. Upward force is greater than downward force. Glass accelerates upward, toward mouth.


What kind of force will a stack of magazines exert on a table?

The stack of magazines will exert a downward force on the table, known as the force of gravity. Additionally, there will be a force perpendicular to the table's surface, known as the normal force, which will counteract the force of gravity and prevent the magazines from falling through the table.


What is the law of Newton that explains why when you put a book on a table, the table exerts an equal and opposite force on the book?

The law of Newton that explains why when you put a book on a table, the table exerts an equal and opposite force on the book is the third law of motion, also known as Newton's third law. This law states that for every action, there is an equal and opposite reaction. So, when the book exerts a downward force on the table due to gravity, the table exerts an upward force on the book to support its weight.