On the pan of a spring balance , is placed a beaker containing water . How will the reading of spring balance change if we dip our finger in this water ?

The reading in the spring balance is

The reading in the spring balance is

The reading in the spring balance is:

The reading in the spring balance is:

What is the reading shown in spring balance

The readings of the spring balance will be :

A 20 N metal block is suspended by a spring balance. A beaker containing some water is placed on a weighing machine which reads 40 N . The spring balance is now lowered so that the block gets immersed in the water. The spring balance now reads 16 N . The reading of the weighing machine will be.

A 20 N metal block is suspended by a spring balance. A beaker containing some water is placed on a weighing machine which reads 40 N . The spring balance is now lowered so that the block gets immersed in the water. The spring balance now reads 16 N . The reading of the weighing machine will be.