Work Energy And Power Worksheet Answer Key Pdf
Starting from rest a 4 kg block slides 10 m down a frictionless 30º incline.
Work energy and power worksheet answer key pdf. Calculate the work done by a 2 4 n force pushing a 400. Please circle your final answer and be sure it has the proper label. Do you need a bigger engine to go further. 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.
Which sets of units represent legitimate units for the quantity work. A go cart engine applies a force of 888n and moves the cart forward 22m. 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. M s however instead of this long unit we use joule.
You must exert a force of 4 5 n on a book to slide it across a table. Calculate the work done by a 47 n force pushing a 0 025 kg pencil 0 25 m against a force of 23 n. How much work is done. If the driver wants to go further will the amount of work increase or decrease.
B the displacement is in the same direction as the force of friction. Work power energy worksheet. The think sheets are synchronized to readings from the physics classroom tutorial and to missions of the minds on physics program. What is doing the work.
G sandwich across a table 0 75 m wide. The direction of the work vector c. Circle all correct answers. Be sure to show all calculation work in the space provided.
Whether the work adds or removes energy from the object 4. Calculate the work done by a 47 n force pushing a pencil 0 26 m. F find the change in the kinetic energy of the crate. Be careful direction of applied net force and direction of motion must be same.
When forces do work on an object they tend to accelerate the object. C negative work on the top block d flrst positive then negative work on the top block. A no work on the top block b positive work on the top block. We put on a bigger engine 1111n but the cart still moves forward 22m.
The direction of the work vector b. Work power and energy worksheet. If you do 2 7 j. This oer repository is a collection of free resources provided by equella.
1m power power is the rate of work done in a. D find the kinetic energy of the block at the end of the 10m slide. 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. Whether the work adds or removes energy from the object d.
Work and power worksheet answer each question by calculating for the missing variable. 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. The si unit of work is the unit of energy 1j joule.