Motion and Time

If the body moves along a straight line, its motion is called .....

• rectilinear

• curvilinear

• both

• none of these

The motion which repeats at regular intervals of time is called .......... motion.

• periodic

• non-periodic

• circular

• random

The time intervals between one sunrise and the next was considered as ..........

• one day

• one month

• one year

• one hour

Tags

NGSS.MS-ESS1-1

The movement of see-saw shows ......motion

• rotatory

• vibrotory

• random

• periodic

The SI unit of speed is .....

• metre

• metre per second

• second

• metre per minute

......... cannot be used after sunset.

• Sand clock

• Hour glass

• Sundial

• Pendulum

.......... can be started and stopped at will.

• Sundials

• Stopwatches

• Pendulums

• Wrist watches

Which type of motion is in haphazard manner ?

• Random

• Linear

• Periodic

• Circular

Heartbeat is a example of ...

• random motion

• periodic motion

• non-periodic motion

• none of these

If distance is in km and time is in hr, the speed is in

• m/s

• km/hr

• km/s

• m/hr

Tags

NGSS.MS-PS3-1