time and motion

A water clock and a sand clock are two examples of ___________ clocks

• modern

• ancient

A sundial works only in the _______________.

• day

• night

In a pendulum, the greater the length of the string, the ___________ is the time period.

• lesser

• greater

The speed of an object is defied as the distance travelled by it in ______________

• one hour

• unit speed

average speed is measured in __________

• metre per second

• minutes per hour

which of these dose not measure time?

• timer

• stopwatch

• measuring tape

• wrist watch

what does one hour equals to?

• 60 minutes

• 3600 minutes

• 60 seconds

• 3600 seconds

which of these is not related to a pendulum?

• sundial

• time period

• bob

• string

In which unit is the time period of a pendulum measured?

• days

• seconds

• metres per second

• years

what is a sundial used for?

• steering a car

• measuring time

• dialling a telephone number

• measuring speed