1:----Although theSundialis very simple to make and to use, it also has manydisadvantages. ASundialis no longer accurate after a month. This is because the obliquity of Earth causes the 'path' of the Sun to change over the months. The sameSundialcannot be used in two different places...

Sundialis no longer accurate after a month. This is because the obliquity of Earth causes the 'path' of the Sun to change over the months. The sameSundialcannot be used in two different places.

2)metal Bob, rigid support, string

PENDULUM BOBAsimple pendulumis defined to have an object that has a small mass, also known as thependulumbob, which is suspended from a light wire or string

Q. Name the part of a simple pendulam.

solution

Apendulumconsists of only a few components including a length of string or wire, a bob or some type of weight and a fixed point. They can be used to prove that the planet rotates on an axis. Thependulumis a popular device used in watches and clocks.

1.Sundialcan not be used after sunset or onacloudy day. They can also not be carried along to different places.Sundialcan not be used after sunset or onacloudy day.2.Apendulumconsists of only a fewcomponentsincluding a length of string or wire, a bob or some type of weight and a fixed point. They can be used to prove that the planet rotates on an axis. Thependulumis a popular device used in watches and clocks.3.Simple pendulum

1.Sundialcan not be used after sunset or onacloudy day. They can also not be carried along to different places.Sundialcan not be used after sunset or onacloudy day2.pendulumconsists of only a fewcomponentsincluding a length of string or wire, a bob or some type of weight and a fixed point. They can be used to prove that the planet rotates on an axis. Thependulumis a popular device used in watches and clocks.3.Movement of hands of clock

a simple pandulum is defined to have an object that has a small mass also known as the pendulum Bob which is suspended from a a light wire or string

uniformmotion is ex: moving the earth