Motion and measurement

Which of the following is not a distance of unit?

• Metre

• Feet

• Kilogram

• Kilometer

Motion of wheels of a car is an example of

• Translatory motion

• Rectilinear motion

• Curvilinear motion

• Circular motion

What is the correct measurement of the red thread on the scale as shown above:

• 1.5 cm

• 1.9 cm

• 3.4 cm

• 4.4 cm

The standard unit of time is______________

The distance between Delhi and Kanpur is usually expressed in

• Metre

• Kilometer

• Hectometer

• Centimeter

Change in position of a body with time is called_______

• Distance

• Displacement

When a screw is tightened it exhibits only rotatory motion.

• True

• False

The motion of the arms of soldiers in a march past is

• oscillatory

• circular

• periodic

• non-periodic

An example of periodic motion

• Clock

• Motion of a boat

• Motion of a bus

------- is the combination of circular motion and periodic motion.

• Swing

• Clock

• Motion of animals