If you are holding a 10 N book, you are providing a 10 N force directed upwards to oppose the book's weight. Or if it's sitting on a table, the table is providing a 10 N force directed upwards. Some might call that force a support force.
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Support force refers to the upward force exerted by a surface to counteract the downward force of an object resting on it. It prevents the object from falling through the surface due to gravity. Support force can also be known as normal force.