百度试题 结果1 题目The formula for calculating work done in physics is: A. Work = Force × Distance B. Work = Force × Time C. Work = Mass × Acceleration D. Work = Force × Velocity 相关知识点: 试题来源: 解析 A 反馈 收藏
Work is defined as the integral of the force over a distance of displacement. Work refers to an activity in which one exerts strength or power to do or perform something. In science, work is said to be done on an object when you transfer energy to that object. Work formula physics Wor...
1. Use the formula: work done = change of kiic energy i.e. force x distance = change of kiic energy F x (1.8/100) = (1/2) x 930 x (47x1000/3600)^2 solve for F 2. Net force on the passenger = 1.45mg - mg = 0.45 mg where m is the mass of the passe...
Distance Speed Time Formula Orbital Velocity Formula Resistance Formula Reynold's Number Formula Angular Momentum Formula Initial Velocity Formula Inverse Square Law Formula Unit Vector Formula Work Formula Air Resistance Formula Angular Momentum Formula(Moment of Inertia and Angular Velocity) ...
Work, Potential and Kinetic EnergiesFormulaDefinition and explanations W=Fdcos(θ)W=Fdcos(θ) W is the work done by the force F F is the applied force (constant) d is the distance θ is the angle between F and the direction of motion Ek=12mv2Ek=12mv2 Ek is the kinetic ...
b. To find the force of friction, we need to use the formula Ffriction=coefficient of kinetic friction * normal force. The normal force is the force exerted by the floor on the crate, which is equal to the weight of the crate (mg). We do not know the mass of the crate, but we...
I knew that studying physics is not easy, but I have some ideas that may help for you. You first questions understood by the way, with the formula brought into question, and put in the unit conversion is correct. Then you would have done on this question. ...
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The extremely professional terms, special signals, figures, tables, chemical structural formula, and equations should be avoided here, and citation of references is not allowed. Keywords: A list of three to eight keywords should follow the abstract. The chosen keywords are required to reflect the ...