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Mindmap: Motion | Science Class 9

The document Mindmap: Motion | Science Class 9 is a part of the Class 9 Course Science Class 9.
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FAQs on Mindmap: Motion - Science Class 9

1. What is the definition of motion in physics?
Ans.Motion is defined as the change in position of an object with respect to time. It can be described in terms of displacement, distance, velocity, acceleration, and time.
2. What are the different types of motion?
Ans.The different types of motion include translational motion, rotational motion, periodic motion, linear motion, and random motion. Each type describes how an object moves in space and time.
3. How is speed different from velocity?
Ans.Speed is a scalar quantity that refers to how fast an object is moving, whereas velocity is a vector quantity that includes both the speed of the object and the direction of its motion.
4. What is the role of forces in motion?
Ans.Forces are interactions that can change the state of motion of an object. According to Newton's second law, the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass.
5. How can we calculate the acceleration of an object?
Ans.Acceleration can be calculated using the formula: acceleration (a) = (final velocity - initial velocity) / time taken. It measures how quickly the velocity of an object changes over a specific time period.
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