0 votes
26.1k views
by (20 points)
A force F 5i+6j-4k acting on body produces displacement S= 6i+5k .workdone by force is

Please log in or register to answer this question.

1 Answer

0 votes
by (7.1k points)

Solution:

As we know that the work done by a body is dot product of force and displacement.

Thus, W = F.S

F = 5i+6j-4k

S = 6i+5k

W = (5i+6j-4k).(6i+0j+5k)

By dot product we have,

W=30+0-20

W= 10 j

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...