Product Condition: No Defects; Kulshreshtha, D C (Author); English (Publication Language); 880 Pages - 07/01/2017 (Publication Date) - McGraw Hill Education (Publisher)
Work, Power and Energy » Exercise - 15. For certain values of F and d, work done is zero when the angle between the force and displacement is : (a) 0o (b) 30o (c) 90o (d) 180o