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What form of energy is being used when a heavy box is pushed across the floor?
The energy being used to push a heavy box across the floor is mechanical energy. The person pushing the box is converting their own muscular energy into kinetic energy to move the box.
Is true when a box is too heavy to lift?
It is true that a box is too heavy to lift when the weight exceeds your lifting capacity, potentially resulting in injury. It is important to avoid attempting to lift heavy objects alone and to seek help or use equipment like a dolly for heavy lifting tasks.
What would be easier to move a large empty box or a small heavy box?
It would be easier to move a small heavy box because the size of the box does not affect its weight, which is the primary factor in determining how difficult it will be to move.
Why does it take more force to move a heavy box than a light box?
It takes more force to move a heavy box because it has more inertia, meaning it resists changes in its state of motion. The heavier box requires more force to overcome this inertia and set it in motion compared to a lighter box.
Is there more friction between a heavy wooden box on the floor or a light wooden box on the floor?
There would be more friction between the heavy wooden box and the floor than the light wooden box. This is because the friction force is directly proportional to the weight of the object pressing down on the surface, which in this case is the weight of the box. The heavier box would exert more pressure on the floor, resulting in greater friction.
