If you were in the middle of a frozen pond explain how will you get off the pond without making the use of any exernal help
I'd walk to shore on the ice.
Walking is an external force though.
If you were on a chunk of ice in the middle there are two ways
1) blowing
2) throwing an object to a direction which is not perpendicular to the plane of the lake
1)by blowing you makes the velocity of a mass of air increase
if there's change of velocity that means there is an acceleration .
for there to be an acceleration you need to exert a force.
so what you do by blowing is to exert a force on air.
so according to Newton 's 3rd law a reaction force with the same magnitude and opposite direction is exerted on you this force makes you accelerate to specific velocity.
but this velocity would very tiny because the force that's need to make a small acceleration on a small mass of air is tiny.you would have to wait a long time for to get out of the lake.
2) more sensible way to throw your both shoes or some other object you have. For highest velocity you have to throw them parallel to the lake's plane and if you throw them perpendicularly nothing would happen. And this could be explained as I explained the 1st.
I only used accelerations and F=ma for this explanation
To get off a frozen pond without external help, follow these steps:
1. Stay Calm: It's important to remain calm and avoid panicking. Panicking can lead to rash decisions or actions that could compromise your safety.
2. Assess the Ice: Carefully evaluate the ice's thickness and stability before attempting to move. Look for any visible cracks or areas where the ice appears thin or discolored. If the ice doesn't seem solid, it may be safer to wait for help.
3. Distribute Your Weight: Lie down on the ice and spread your arms and legs wide to distribute your weight. This will help prevent the ice from cracking under your weight, as a concentrated force can weaken it.
4. Slowly Crawl Towards the Shore: Begin crawling toward the shoreline using small, deliberate movements. It's essential to crawl rather than standing up, as this further distributes your weight and reduces the pressure on the ice.
5. Avoid Jerky Movements: Make slow and deliberate movements to reduce the risk of sudden cracks or breakages in the ice. Avoid jumping or putting too much pressure on a single spot.
6. Use Tools If Available: If you have any items with you, such as a rope, stick, or ice claws, use them to aid in pulling yourself forward and to grip the ice if necessary.
7. Don't Remove Clothes: As counterintuitive as it may seem, it's advisable not to remove your clothes if they get wet. Wet clothes can provide a layer of insulation and help retain body heat.
8. Keep Low: Stay as low as possible and close to the ice to distribute your weight even more. This strategy can help minimize the risk of further cracks or breaking.
9. Reach Safety: Continue crawling towards the edge of the pond until you reach the safety of solid ground. Once on land, move away from the pond and seek immediate warmth to prevent hypothermia.
Remember, this explanation assumes you're asking from a theoretical perspective and not in an actual emergency situation. In case of a real emergency, always call for help from professionals or individuals with the necessary training and equipment to ensure your safety.