The beam and pans of a balance have negligible mass. An object weight `W_1`. When placed in one pan and `W_2` when placed in the other pan. The weights `W` of the object is.

A false balance has equal arms. An object weights W_1 when placed in one pan and W_2 when placed in the other pan. The true weight W of the object is.

A false balance has equal arms. An object weigh X when placed in one pan and Y when placed in other pan, then the weight W of the object is equal to

A physical balance has its arms of unequal length. A body weight 18 kg if kept in one pan and weight 8 kg. If kept in the other pan. The true weight of the body is

A physical balance has its arms of unequal length. A body weight 18 kg if kept in one pan and weight 8 kg. If kept in the other pan. The true weight of the body is

The two arms of a balanced are of unequal length. An object when placed in the left pan of the balance weighs 4 kg. The same object when placed in the right pan of the balance weighs 9 kg. The actual (or) true mass of the object is

At wood machine is attached below the left hand pan of a physical balance while equal weight (M+m) g is placed in the right hand pan. The beam is horizontal when the masses M and m on the left hand side are braked What will happen if the masses M and m are unbraked on the left hand side?

A beam balance of unequal arm length is used by an unscruplus trader. When an object is weighed on left pan. The weight i found to be W_(1) . When the object is weighed on the right plane, the weight is found to be W_(2) . If W_(1) ne W_(2) , the correct weight of the object is

A beam balance of unequal arm length is used by an unscruplus trader. When an object is weighed on left pan. The weight i found to be W_(1) . When the object is weighed on the right plane, the weight is found to be W_(2) . If W_(1) ne W_(2) , the correct weight of the object is