Work is done on the surroundings w work and power worksheet answer each question by calculating for the missing variable. A teacher pushed a 98 newton desk across a floor for a distance of 5 meters. For a small displacement dx, the work done by the gas is dw by f dx padx p adx p dv this is just the area under the pv curve. This worksheet has been created with higher abilities in mind, so gets progressively more difficult and wordy down the worksheet. This section covers work, energy and power using maths. After a rainstorm, the force needed to push the car doubled because the ground. Energy transformed work done applied force x distance. When a bowling ball rolls down a level alley, does earths gravity do any work on the ball. Work, energy and power tuesday february 10th reading. Because we should supply everything required in one genuine in addition to dependable origin, we all provide handy information on different topics along with topics. Lin 1 show all work for the following questions, including the equation and substitution with units. Work done by a gas when a gas expands, it does work on its environment. Lecture 3 examples and problems university of illinois. Work done force x distance and weight scaffolded worksheet with.
Be sure to show all calculation work in the space provided. This worksheet is aimed at gcse students studying work done part of the energy topic. Assuming the baseball landed 100 meters away from home plate, how much force did the player use to hit the ball. How much work is done when a 5 n force moves a block 4 m. How much work is done when a 1 kilogram mass is raised a vertical distance of 1 meter. The most popular pdf reading application is the free adobe acrobat reader. We use the same formula for work that you already know work force. Work word problems one step equations multi step equations exponents. Work, energy and power the following pdf files represent a collection of classroomready think sheets pertaining to the topic of motion in one dimension. If the answer is negative, then give the right answer.
What will be the particles velocity once it reaches very large values of x. Calculate the work done on the car by the friction forces. The baseball player does 1234 joules of work when hitting a baseball into left field. When you decrease the force acting on an object, the power increases. Determining the velocity of a steel ball using a b.
Work energy power packet key mayfield city schools. If the system as a whole is at rest, so that the bulk mechanical energy due to translational or rotational motion is zero, then the. Amy uses 20n of force to push a lawn mower 10 meters. A coaster designer is considering three different angles at which to drag the 2000kg car train to the top of the 60meter high hill. You can increase power by doing a given amount of work in a shorter period of time. This is a worksheet i have used with year 9s, 10s and 11s when teaching work done force x distance, then linking it to the weight mass x gravity equation. Calculate the work done by a 47 n force pushing a pencil 0. Work done force x distance and weight scaffolded worksheet. In each case, does the gas do work or is work done on the.
The think sheets are synchronized to readings from the physics classroom tutorial and to missions of the minds on physics program. Type of energy associated with the motion of an object. Handouts, printable exercises pdf, videos, songs, resources. Work, energy, conservation of energy 2011, richard white. When you are done, just click back on your browser. Work done questions and answers worksheet with formula. Work done is measured in joules which has symbol j. Then the work done by the force is the component of f in the direction of motion. What software do i need to install to view pdf documents. This free worksheet contains 10 assignments each with 24 questions with answers. Includes problems to identify whether or not work was done and solving for work and power. Study guide is 2 pages, each quiz is one page plus a one page answer. A 1165 kg car traveling at 55 kmh is brought to a stop while skidding 38 m. For each problem, draw a diagram to make sure the force and displacement are in the same direction.
Which sets of units represent legitimate units for the quantity work. Positive work is done by a force parallel to an objects displacement. Refer to the diagram to answer the questions below. In each case, does the gas do work or is work done on the gas. Work force x distance work 20n x 10m work 200 j 2 how much work does an elephant do while moving a circus wagon 20 meters with a pulling force of 200n. Apr 05, 2020 calculating work worksheet answer key corporal works of mercy worksheet answers elements of physics energy work and power worksheet answers energy work and simple machines worksheet answers gramsmoles calculations worksheet answer key with work gramsmoles calculations worksheet answers with work mechanics work energy and power worksheet answer key mla works cited practice worksheet answers.
A closedcycle device is one that periodically returns to its initial conditions, repeating the same process over. Suppose a force f acts on a body, causing it to move in a particular direction. Work done worksheet with answers teaching resources. A laborer working on the top of a building uses a manual hoist to lift 20. Note that the mass of the crate is not required to answer the question.
The final two questions are more challenging as students need to convert from kilonewtons to newtons. Physics 0205 nonequilibrium and fundamental forces. Force is written in the form mg, where m is mass and g is the acceleration due to gravity, 9. Calculate the work done by a 47 n force pushing a 0.
For exercises, you can reveal the answers first submit worksheet and print the page to have the exercise and the answers. With your parents permission and your counselors approval, visit a film set or a television production studio and watch how production work is done. When 142 j of work is done in pushing a box horizontally. On a graph where force is on the y axis, and distance is on the x axis, a curve is applied to show the force and distance of a moved object. So if we have a constant force of magnitude f newtons, which moves a. A block of mass m rests on a rough surface, and has a light spring of spring constant k and unstretched length d attached to one side as shown, with the other end of the spring attached to an anchor. The state of the system at a time signify for the fact that the variable factors, e. Physics 0206 angular velocity and centripetal acceleration. The first law of thermodynamics work and heat are two ways of transfering energy between a system and the environment, causing the systems energy to change. Type of stored energy associated with the position of an object in a gravitational field. Jan 16, 2018 this is a worksheet i have used with year 9s, 10s and 11s when teaching work done force x distance, then linking it to the weight mass x gravity equation. In both a and b, the gas expands against the surroundings.
The thermodynamics properties of a system are divided as. He usually goes to work by train but today he is driving to work. Kinetic energy, gravitational potential energy, work done and. Should be a breeze, but if you have trouble check the bottom of this page. Heat engines a heat engine is any closedcycle device that extracts heat from a hot reservoir, does useful work, and exhausts heat to a cold reservoir.
A force of 825 n is needed to push a car across a lot. Matrices worksheet with answers pdf by using practical matters. Work, energy, and power this worksheet and all related files are. The amount of work done by a steady force is the amount of force multiplied by the distance an object moves parallel to that force. Kinetic energy, gravitational potential energy, work done and power worksheets and answers. It uses formula triangles to make the content accessible for lower ability students. An 80 n force has been applied to a block and move it 20 m along the direction of the force. The force on the ant was upward, but the distance was horizontal. He exerted a horizontal force of 20 newtons for four seconds. The amount of work performed while going from one state to another is not unique. This is a worksheet on applying the work done formula work done force x distance with questions and answers.
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