WebDec 28, 2024 · Difference between zero ,negative and positive work done with example and diagram physics class 9 Get the answers you need, now! chitrapal967 chitrapal967 … WebExamples of Negative Work: (i) The work done against friction is negative as the frictional force is always in direction opposite to displacement. (ii) Work done in lifting a body is negative as gravitational force and displacement are in the opposite direction. Case III:. When force and displacement are at right angle to each other.
Give one example where work done on an object is negative
WebMar 30, 2024 · The string held in child’s hand makes an angle of 60° with the horizontal surface. If the force applied by the child be 5N, Calculate the work done by the child in pulling the toy car. Force = F = 5 N Distance = … WebOct 5, 2024 · NEGATIVE WORK: The work done is said to be negative work when force and displacement are in opposite direction. Example: When an object is thrown upwards,the force of gravity is in downward direction whereas displacement acts in upward direction. What are some examples of positive work environments? Comfortable Work Space. people from great britain
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WebPositive, Negative and Zero Work Done Work done by Body moving in Circular Direction What is Energy? Different Types of Energy What is Kinetic Energy Derivation of Formula of Kinetic Energy What is Potential Energy What is Power? Transformation of Energy Examples of Energy Transformation in our everyday life (like Cells, Solar Heaters, Iron etc.) WebA work done is positive when the energy leaves the system. Here, the system is making an effort on the surroundings. Work done is said to be negative when the energy is added to the system. Here, work is being done on the system. Work done is zero when there is no displacement. Examples for Positive and Negative Work Done Positive Work Done WebWork, Power And Energy Class 9 Extra Questions Short Answer Questions-I. Question 1. Give two examples from everyday life where work is done. Answer: We apply a force to … people from grown ups