Answer :
The magnitude of the friction force exerted by the horizontal surface on the 118-kg block is 624 N. The direction of the friction force is opposite to the direction of the applied force.
When a force is applied to an object on a horizontal surface, the friction force comes into play. The friction force acts in the opposite direction to the applied force, according to Newton's third law of motion.
In this scenario, a 624-N force is applied to a stationary 118-kg block. Since the block is initially at rest, the static friction force comes into action to prevent the block from moving. The magnitude of the static friction force is equal to the applied force to maintain equilibrium.
Therefore, the magnitude of the friction force exerted by the horizontal surface on the block is 624 N. The direction of the friction force is opposite to the applied force. This ensures that the net force on the block is zero, keeping it stationary.
Understanding the role of friction is essential in analyzing the dynamics of objects on different surfaces. Friction plays a crucial role in determining the stability, motion, and equilibrium of objects in various situations.
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