Which surface has the most amount of friction? Rougher surfaces have more friction between them than smoother surfaces. That’s why we put sand on icy sidewalks and roads. You can’t slide as far across ice with shoes as you can on the blades of skates (see Figure below). The rougher surface of the soles of […]
Why magnetic field is created around a current carrying conductor?
Why magnetic field is created around a current carrying conductor? Current is generally defined as the rate of flow of charge. The same principle can be applied here, moving charges produce magnetic fields which are proportional to the current and hence a current carrying conductor produces magnetic effect around it. … Does a current carrying […]
What is meant by inertia?
What is meant by inertia? Inertia is the resistance of any physical object to any change in its velocity. This includes changes to the object’s speed, or direction of motion. Inertia comes from the Latin word, iners, meaning idle, sluggish. What are three types of inertia? Types of Inertia Inertia of rest – An object […]
How do you tell if rotors need replacing?
How do you tell if rotors need replacing? Additionally, brake rotors may also need replacement when any of the following signs appear: After pressing the brake pedal, the driver feels a vibration in the steering wheel and/or the brake pedal. Cause: Pad Deposits. The brakes produce very loud noises when braking. The brake rotor has […]
How dangerous is 200 Roentgen?
How dangerous is 200 Roentgen? Radiation Effects on Humans Dose (rem) Effects 100-200 Mild radiation sickness within a few hours: vomiting, diarrhea, fatigue; reduction in resistance to infection. 200-300 Serious radiation sickness effects as in 100-200 rem and hemorrhage; exposure is a Lethal Dose to 10-35% of the population after 30 days (LD 10-35/30). How […]
What is the use of velocity?
What are the negative effects of gamma rays?
What are the negative effects of gamma rays? The extremely high energy of gamma rays allows them to penetrate just about anything. They can even pass through bones and teeth. This makes gamma rays very dangerous. They can destroy living cells, produce gene mutations, and cause cancer. How can we reduce exposure to gamma rays? […]
How the mind and body are connected?
How the mind and body are connected? The brain and body are connected through neural pathways made up of neurotransmitters, hormones and chemicals. These pathways transmit signals between the body and the brain to control our everyday functions, from breathing, digestion and pain sensations to movement, thinking and feeling. What three levels did Plato say […]
What is the percentage of having a carrier female offspring?
What are the 6 organs of UNO?
What are the 6 organs of UNO? The main bodies of the United Nations are the General Assembly, the Security Council, the Economic and Social Council, the Trusteeship Council, the International Court of Justice, and the UN Secretariat. How many countries are members of the United Nations? 193 Member States Which country is the latest […]