MCQ Practice Physics 📖 একটি কণার উপর F↔=(10i∧+10j∧+10k∧)N বল প্রয়োগ করলে কণাটির সরণ হয় , r↔=(2i∧+2j∧-2k∧)m । বল কৃর্তক সম্পাদিত কাজ কত হবে? ক 10 jখ 20 jগ 30 jঘ Favorite Practice Add to Book Explanation & Answer Detailed explanations and answers are restricted. Unlock full access by logging in to your account. 🔒 Unlock the detailed explanation and answers Log In / Sign Up This question appeared in DU KA Unit Question Bank Physics 2017-18 Question 8 DU KA Unit Question Bank Physics 2017-18 Question 8 DU KA Unit Question Bank Physics 2017-18 Question 8 DU KA Unit Question Bank Physics 2017-18 Question 8