Work Energy And Power Worksheet Answer Key Pdf

When forces do work on an object they tend to accelerate the object.

Work energy and power worksheet answer key pdf.

Do you need a bigger engine to go further. You must exert a force of 4 5 n on a book to slide it across a table. If the driver wants to go further will the amount of work increase or decrease. M s however instead of this long unit we use joule.

How much work is done. F find the change in the kinetic energy of the crate. D find the kinetic energy of the block at the end of the 10m slide. Work power and energy worksheet.

Download work energy power problems with solutions pdf 497 kb equella is a shared content repository that organizations can use to easily track and reuse content. This oer repository is a collection of free resources provided by equella. 1m power power is the rate of work done in a. Calculate the work done by a 47 n force pushing a 0 025 kg pencil 0 25 m against a force of 23 n.

A force of 10 n is applied to a 2 0 kg mass at rest on which the force of friction is 4 0 n. From our formula we found unit of work kg. The direction of the work vector b. 2 3 work energy and power work and kinetic energy 2 3 work as energy transfer work as energy transfer work w is a quantity that gives the amount of energy transferred between a system and its surroundings by mechanical means.

If you do 2 7 j. Which sets of units represent legitimate units for the quantity work. C negative work on the top block d flrst positive then negative work on the top block. The si unit of work is the unit of energy 1j joule.

Starting from rest a 4 kg block slides 10 m down a frictionless 30º incline. Please circle your final answer and be sure it has the proper label. Whether the work adds or removes energy from the object 4. Whether the work adds or removes energy from the object d.

Work power energy cheat sheet work a force is applied an object and object moves in the direction of applied force then we said work has done. Be sure to show all calculation work in the space provided. A no work on the top block b positive work on the top block. Work energy and power the following pdf files represent a collection of classroom ready think sheets pertaining to the topic of motion in one dimension.

Work power energy worksheet. Kdetermine the work done on the block by a the force of gravity b the normal force c all of the forces the net force on the block. The direction of the work vector c. Work and power worksheet answer each question by calculating for the missing variable.

A go cart engine applies a force of 888n and moves the cart forward 22m. Be careful direction of applied net force and direction of motion must be same. The think sheets are synchronized to readings from the physics classroom tutorial and to missions of the minds on physics program. Calculate the work done by a 2 4 n force pushing a 400.

Calculate the work done by a 47 n force pushing a pencil 0 26 m. Circle all correct answers. B the displacement is in the same direction as the force of friction.