Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
76 views
in Physics by (76.6k points)
closed by
Two constant horizontal force `F_1` and `F_2` are acting on blocks A and B. At an instant acceleration of block B is `4m//s^2` in direction of `F_1` and acceleration of block A w.r.t block B at this moment is:
image
A. `1 m//s^(2)`
B. `2 m//s^(2)`
C. `7 m//s^(2)`
D. `9 m//s^(2)`

1 Answer

0 votes
by (76.3k points)
selected by
 
Best answer
Correct Answer - A
`F_("net")=m_(1)a_(1)+m_(2)a_(2)rArr 100-70=5xx4+2xxarArr a=5m//s^(2)`
So, `a_("rel")=5-4 =1 m//s^(2)`

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

...