Question

Out of the following sets of forces, the resultant of which cannot be zero?(a) 10, 10, 10 (b) 10, 10, 20(c) 10, 20, 20 (d) 10, 20, 40

Answer 1

Answer: d

Explanation:we can find this in following simple step:

1.from every option take any two no. then add them and seperately subtract them now if third number is either their addition or subtraction then net resultant will be zero otherwise not.