Answer the following questions. Will give extra points.
1) What are balanced and unbalanced forces?
2) What is the difference between mass and weight.
3) How does mass and speed relate to kinetic energy of a moving object.
4) How does energy change its form when it is transferred from one object to another.
5)What is renewable and non-renewable energy.
Answers
Answer:
1 ) forces that are equal in size and opposite in direction. Balanced forces do not result in any change in motion. unbalanced. forces: forces applied to an object in opposite directions that are not equal in size. Unbalanced forces result in a change in motion.
2 ) The mass is essentially "how much stuff" is in an object. ... Weight: There is a gravitational interaction between objects that have mass. If you consider an object interacting with the Earth, this force is called the weight. The unit for weight is the Newton (same as for any other force).
3 ) In SI units, mass is measured in kilograms, speed in metres per second, and the resulting kinetic energy is in joules. Since the kinetic energy increases with the square of the speed, an object doubling its speed has four times as much kinetic energy.
4 ) Energy is present whenever there are moving objects, sound, light, or heat. When objects collide, energy can be transferred from one object to another, thereby changing their motion. ... For example, energy radiated from the sun is transferred to Earth by light.
5 ) Non-renewable energy includes coal, gas and oil. ... They are made by burning fossil fuels to create energy. Renewable energy includes solar, hydro and wind energy. Wind energy is made when the wind moves the blades on a wind turbine. This movement creates wind energy which is converted into electrical energy.
Explanation:
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