Question

When you slide a box across the floor what force must your push be stronger than? 1. Normal force 2. Friction force 3. Gravity 4. Air resistance

Answer 1

Answer:

your push must be stronger than the frictional force because normal will be balanced by mg and air resistance is neglected in these cases

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Answer 2

When you slide a box across the floor your push must be stronger than 2. Friction force.  

What happens when a box slides?

• When a box slides, there is a externally applied push force acting on the object and there is also a frictional force acting on the object.
• The frictional force is due to the contact sliding motion between the ground and the object.
• The frictional force acts opposite to the direction of externally applied force.

Normal Force:

• It acts vertically on the object and is opposite to the force of weight due to gravity