Exam 12: Solids

A weightless spring is stretched 10 cm by a suspended 1-kg block.If two such springs are used to suspend the block,one spring above the other,to effectively provide one double-length spring,then the total stretch of the double-length spring will be

Which has more skin compared to its body weight,an elephant or a mouse?

A strong spring is stretched 10 cm by a suspended weight.If the weight is doubled,the spring will stretch

When a chocolate bar is cut in half,its density is

In cooking a turkey in a conventional oven at a given temperature,compared to a medium-sized turkey,a large turkey takes

If a pencil's length and diameter are both multiplied by 10,then its volume is multiplied by

Tripling the linear size of an object multiplies its area by

Use the following figure to answer the question: -When a load is placed on the middle of a horizontal beam supported at each end,the bottom part of the beam undergoes

Consider the fictional case of the incredible shrinking man.If he shrinks proportionately to 1/10 his original height,his weight will be multiplied by

If you make cupcakes and bake them as directed for a cake,you will find the cupcakes

Eight little spheres of mercury coalesce to form a single sphere.Compared to the combined surface areas of the eight little spheres,the surface area of the big sphere is

If a loaf of bread is compressed,its

The effects of scaling are beneficial to swimmers who are relatively

Suppose all sized potatoes are selling at the same price per kilogram.If you peel them for mashing,you will get more potato for your money if you buy

A metal block has a density of 5000 kg per cubic meter and a mass of 15,000 kg.What is its volume?

Which will bounce higher off a hard surface?

A solid glass ball weighs 1 newton.One with twice the diameter weighs

You wish to bolt a sign to a horizontal I-beam supporting a bridge.You will weaken the beam least if you drill the bolt-holes through the

Consider the fictional case of the incredible shrinking woman.If her height shrinks to 0.1 times her original height,then her total skin area shrinks to

If each dimension of a steel bridge is scaled up ten times,its strength will be multiplied by about