(a)[2]
Finish the statements about mass by inserting the missing words. The mass of a body measures the amount of [BLANK] in the body. It resists a change in the state of [BLANK] of the body.
(b(i))[1]
Explain what is meant by a gravitational field.
(b(ii))[3]
Determine the combined weight of the bucket and the water.
(c(i))[2]
Calculate this moment.
(c(ii))[1]
Calculate the minimum force on the handle that will balance this moment.
(d(i))[2]
Suggest two reasons why the exerted force is larger than the calculated value.
(d(ii))[3]
State the energy changes that occur as the bucket is lifted at constant speed.
(e)[1]
State what can be concluded about the forces acting on the bucket while it rises at constant speed.