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The hedgehog was engaged in a fight with

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Q&A

What are the action and reaction forces when a hammer hits a nail?

What are the action and reaction forces when a hammer hits a nail? A hammer hits a nail, driving the nail downwards into a piece of wood. The “reaction” is the force of the nail pushing upwards on the hammer, which stops the hammer. What is the force of reaction when hammering a nail? The reaction force will be equal to the force exerted by the hammer on the nail. This is because of the newton's third law of motion which says that for every action there is equal and opposite reaction. Where is the force when you hit a...
Popular

When is thermal energy lost to the environment?

When is thermal energy lost to the environment? No further useful work is possible; the energy is now 'lost to the environment'. If the temperature a system attains is high relative to the environment, then it might be viable to recover some energy using a secondary heat engine. The recovery of waste heat from the exhausts of vehicle engines for example is an active research topic. Can a thermal system be converted to useful work? Thermal energy cannot be converted to useful work as easily as the energy of systems that are not in states of thermodynamic equilibrium. How is...
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Should marble tile have grout lines?

Should marble tile have grout lines? tile, marble, granite.... EVERYTHING moves incrementally. Material without a grout "buffer" will rub together with temperature and humidity, creating what is referred to as "spalling" or chipping of the edges as it crashes together. Always use a grout joint. Is there a special grout for marble? unsanded grout is the tile material that you're working with. Unsanded grout is often the best choice for smooth, polished tiles like marble, even if the joint width is 1/8 or larger. Usually, most contractors use an epoxy-based unsanded grout in these situations – not traditional sanded or...
Guidelines

How do you change a PB pipe in a toilet?

How do you change a PB pipe in a toilet? With new flex line water-supply tubes and push-on valves, you can change the water-supply lines to a toilet or faucet in minutes. Simply shut off water to the house, remove the old flex line from the fixture, cut back the PB pipe, push on a new shut-off valve, and connect a new flex line. How to get a QEST fitting for a mobile home? Qest Fittings Qest fittings 1-248-887-3187 Weekdays 9AM - 5PM EST Mobile Home - Manufactured Housing Sign In About Us Resources Products What to do if you...
Tips

What is best to put around an inground pool?

What is best to put around an inground pool? Evergreen plants are typically the most recommended for pool landscaping before they stay green year round and don't shed a lot of leaves that could get into your pool and pool filter. If you go for evergreen trees, they're also great for privacy. What do you put around an outdoor pool? Landscaping Around Your Above Ground PoolConcrete or Pavers. Concrete patios are a dependable and easy to care for option for your poolside. Gravel or Rock. Using gravel or rock is one of the most popular ways when landscaping around your...
Miscellaneous

Is it possible to safely move a forklift?

Is it possible to safely move a forklift? How to move a forklift isn’t rocket science. All you need is some common sense, proper safety precautions, and the equipment to make it happen. Without the proper planning and foresight, it’s nearly impossible to safely move a forklift. Now, let’s look at seven forklift towing tips you can do to safely move your forklift to your worksite. 1. How do you operate a stand up forklift? Stand up on the forklift and get a feel for the controls and the steering knob. The steering is done with the knob steering plate...
Tips

What is considered a permanent pool?

What is considered a permanent pool? A permanent pool will stay in your backyard year-round. Closing procedures are done to prepare the pool for a winter of non-use), followed by opening procedures the spring. Temporary pools are made of less sturdy materials (sometimes they're even just inflatable) and can be disassembled and stored inside for winter. What materials do you need to build a swimming pool? Raw materials for manufacturing swimming pools consist of polyvinyl chloride (PVC) plastic, galvanized steel or metal, fiberglass, concrete, and polyurethane foam. Is a swimming pool considered a permanent structure? Above-ground Pools and Home Insurance...
Lifehacks

What do I need to start finishing my basement?

What do I need to start finishing my basement? 10 Things You Must Know: Finishing a BasementKnow the Code. Consider the Fasteners. Add a Vapor Barrier. Create an Offset Space. Keep Out the Cold and the Warmth In. Drop Ceilings Provide Easy Access. Give Your Lighting a Recess. Add Some Warmth at the Baseboards. How long does it take to finish a basement? The standard time it takes to finish a basement is 4-8 weeks. Keep in mind that this can vary by the project size, so give yourself as much time as you need. This is a big investment...
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Can you mix radiant heat with baseboard heat?

Can you mix radiant heat with baseboard heat? Can I use my existing boiler for both radiant heating and baseboard radiators? Yes you can. All you need to do is provide a Radiantec mixing valve to step down the temperature of the water to the radiant circuits. Is radiant baseboard heat good? Radiant heating has a number of advantages. It is more efficient than baseboard heating and usually more efficient than forced-air heating because it eliminates duct losses. People with allergies often prefer radiant heat because it doesn't distribute allergens like forced air systems can. How do I convert baseboard...
Tips

When to use ” moving house ” and ” changing places “?

When to use " moving house " and " changing places "? If you have two people who are taking each other's places, that's changing places. If you have only one person who is moving from one place to another, you don't use the expression. So if you had two people who were moving into each other's houses, that might be moving houses. – Peter Shor Mar 18 '14 at 15:20. When do you Say I plan to move house next month? However, the traditional way people express about service sometimes says "I plan to move house next month" and...