Explore Westonci.ca, the premier Q&A site that helps you find precise answers to your questions, no matter the topic. Ask your questions and receive detailed answers from professionals with extensive experience in various fields. Discover in-depth answers to your questions from a wide network of professionals on our user-friendly Q&A platform.

Roger pushes a box on a 30° incline. If he applies a force of 60 newtons parallel to the incline and displaces the box 10 meters along the incline, how much work will he do on the box?

Sagot :

Work done= Force * Distance

1) We need to workout the components of the box
:. 30degress. so 1 component going perpendicular (Up) is 60sin30
2nd component going parallel (straight) is 60cos30

2) We need to use 60cos30 because roger is pusing the box parallel

3) 60cos30=51.965...... N      This is the FORCE

4) workdone = 51.965... * 10 = 519.615..... Joules

5) Answer is 520 Joules (to 3 significant figures)