Introduction to Motion

Motion of a cycle along a straight line is rectilinear motion.

Identify the type of motion for the movement of a bus on hill station road.

The motion of the string of a guitar when plucked is translational.

Name the type the motion of a train on a straight long railway track.

Motion of the needle of a sewing machine is _____ motion.

Motion of a child on a swing is _____ (periodic/rotational) motion.

What type of motions are exhibited by a vehicle and its wheels?

The clocks or watches used to measure time are based on _____.

Give one word for the following:

The type of motion executed by a body when it is moved along a circular path.

Give one word for the following:

The phenomenon in which an object changes its position with respect to the stationary objects in its surroundings and time.

Name the type of motion in which all parts of a moving body move in the direction of motion.

An object is said to be in motion if it changes its position with respect to its surroundings in a given _____.

Which instrument is used to measure the time taken to read a lesson? 

(Thermometer, Watch, beaker, measuring tape, Weighing scale)

The motion of a train along a straight long track is _____ motion(rectilinear/curvilinear).

What is the state of the body when its position does not changes with time?

The motion of a car turning a curve is circular motion.

Name the motion of a point marked on the blade of an electric fan. (Circular motion/curvilinear motion)

Motion is some kind of a change in the position of an object with time.

Shown below is the picture of a bicycle moving on a straight road.

Which of these types of motion does the cycle wheel undergo?

Shown below is a working clock.
 
Which of these needles of the clock is/are in a state of motion?
(i) hour hand  needle (ii) minute hand needle  (iii) second hand needle