A force of 10N is applied at right angles to the handle of a spanner, 0.5 m from the centre of a nut. the moment on the nut is:

a. 5 Nm

b. 2 Nm

c. 0.5 Nm

d. 15 Nm

e. None of a, b, c and d


QUESTION 22

A piece of copper with a mass of 0.178 g is totally immersed in ethabnol. if densities of copper and ethanol are respectively 8950 kg/m3 and 789 kg/m3. The weight of ethanol displaced is:

a. 15.8 g

b. 2.0 kg

c. 0.02 kg

d. 50 g

e. None of a, b, c and d