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Motion 
U N D E R S T A N D I N G S P E E D A N D M O T I O N C O N C E P T S
UNIFORM MOTION
In uniform motion, an object travels
equal distances over equal time
intervals.
Example: A car moving at 40 km/h
consistently.
NON-UNIFORM
Non-uniform motion involves varying
speed and changing distances over time
periods.
Example: A car moving in traffic with
varying speed.
TIME MEASUREMENT
Time is measured in seconds, minutes,
and hours for consistency.
 SI Unit of Time: Second (s)
DISTANCE-TIME GRAPH
Straight Line: Uniform Motion (Constant
Speed)
 Curved Line: Non-Uniform Motion
(Changing Speed)
 Horizontal Line: At Rest (No Motion)
UNDERSTANDING SPEED
Definition: Distance traveled per unit
time.
 Formula: Speed = Distance/ Time
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FAQs on Infographics: Motion and Time - Science Olympiad Class 7

1. What is motion in physics?
Ans. Motion in physics refers to the change in position of an object with respect to time. It can be described in terms of speed, velocity, and acceleration, which help to understand how fast and in what direction an object is moving.
2. What are the different types of motion?
Ans. There are several types of motion, including linear motion (motion in a straight line), rotational motion (motion around a central point), periodic motion (motion that repeats at regular intervals), and random motion (motion that does not follow a predictable pattern).
3. How do we measure time in daily life?
Ans. Time is commonly measured using clocks and watches. We divide time into seconds, minutes, and hours, which helps us organize our daily activities, schedule events, and keep track of duration.
4. What is the difference between distance and displacement?
Ans. Distance refers to the total length of the path traveled by an object, regardless of direction. Displacement, on the other hand, is the shortest distance from the starting point to the endpoint in a specific direction. Displacement can be zero even if distance is not.
5. How does speed differ from velocity?
Ans. Speed is a scalar quantity that measures how fast an object is moving, while velocity is a vector quantity that includes both speed and direction. For example, saying a car is moving at 60 km/h is speed, whereas saying it is moving at 60 km/h to the north is velocity.
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