5. There are 15 chairs inside Room 6M. These chairs are exerting force of gravity towards each other but they are not moving even a single inch towards one
another. They remain in place, not moving. Why is this so?*

There are weak or strong attractive forces between atoms of liquids with a high viscosity

Question 7 [2 marks] in the circuit below, the electromotive force generated by the battery is e = 6.0 v, and the resistances are r1 = r4 = 1.0 q, r2 = r3 =2.0 q. r. the power delivered by the battery to the circuit is closest to a. 6 w в. 12 w с. 15 w d. 18 w e. 20 w final exam autumn 2014 page 5 of 9 68037 physical modelling faculty of science [2 mark] question 8 with reference to question 7, the current through resistor r2 is closest to a. 1 a в. 2 а c. 3 a d. 4 a e. 6 a

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?