Motion and Time

Gap-fill exercise

  
Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!
The distance moved by an object in a unit time is called its .

If the speed of an object moving along a straight line keeps changing, its motion is said to be .

If the speed of an an object moving along a straight line with a constant speed is said to be in .

can be termed as the repeated motion in which an object repeats the same movement over and over.

The time taken by the pendulum to complete one oscillation is called its .

The basic unit of time is a .

The of an object is the distance travelled divided by the time taken to cover that distance.

A is a gauge that measures and displays the instantaneous speed of a vehicle.

The distance travelled by a vechile is measured by an instrument is called as .

The distance-time graph for the motion of an object moving with a constant speed is a .

Motion of objects can be presented in pictorial form by their graphs.

Periodic events are used for the measurement of .

motion of a pendulum has been used to make clocks and watches.

Basic unit of speed is .

is the total distance covered divided by the total time taken.

A motion which repeats itself at regular intervals of time is called a .

A motion which repeats itself, but not at regular intervals of time, is called a .

A simple pendulum consists of a small metallic ball or a piece of stone suspended from a rigid stand by a . The metallic ball is called the .

The smallest time interval that can be measured with commonly available clocks and watches is .

A is one billionth of a second.

One is one millionth of a second.