# Identifying types of motion in Motion and Time – Class 7 Science Experiment

## Activity Name: Identifying types of motionin Motion and Time

### Activity Description:

In this activity, we will observe various motions and categorize them as rectilinear, curvilinear, or both (rectilinear and curvilinear).

### Required Items:

1. Seconds hand of a watch
2. Model train on tracks
3. Tape recorder with a tape
4. Car with a speedometer
5. Bus on a hill station road
6. Carrom board with coins
7. Pin board with a ball
8. A mango

### Step by Step Procedure:

1. Examine each of the given items separately.
2. Observe their motion carefully.

### Experiment Observations:

• Now, let’s label the motions as rectilinear (R), curvilinear (C), or rectilinear and curvilinear (RC) based on our observations:
• Seconds hand of a watch. ( C )
• Movement of a train on tracks. ( R )
• Movement of a tape in a tape recorder. ( R )
• Movement of a needle in a speedometer of a car. ( C )
• Movement of a bus on a hill station road. ( C )
• Motion of coins on a carrom board. ( R )
• Motion of the ball in a pin board. ( C )
• Motion of a mango falling from a tree. ( C )

### Precautions:

1. Handle the items with care, especially the fragile ones like the tape recorder and the mango.
2. Ensure a safe environment for conducting the activity.

### Lesson Learnt from Experiment:

Through this experiment, we learned about different types of motion – rectilinear motion, which follows a straight path, and curvilinear motion, which follows a curved path. Some objects, like the seconds hand of a watch, can exhibit curvilinear motion as well as some rectilinear components. It’s important to keenly observe and understand the nature of motion for various objects in our daily lives.

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