# 9th Class Physics Chapter 2 Important Long Questions 2024

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## 9th Class Physics Chapter 2 Long Questions

• Explain translatory motion and give examples of various types of translatory motion.
• Differentiate between the following:
• (i) Rest and motion.
• (ii) Circular motion and
• rotatory motion.
• (iii) Distance and displacement
• (iv) Speed and velocity.
• (v) Linear and random motion.
• (vi) Scalars and vectors.
• Define the terms speed, velocity, and acceleration.
• Can a body moving at a constant speed have acceleration?
• How do riders in a Ferris wheel possess translatory motion but not rotatory motion?
• Sketch a distance-time graph for a body starting from rest. How will you determine the speed of a body from this graph?
• What would be the shape of a speed-time graph of a body moving with variable speed?
• Which of the following can be obtained from speed – time graph of a body?
• (i) Initial speed.
• (ii) Final speed.
• (iii) Distance covered in time t.
• (iv) Acceleration of motion.
• How can vector quantities be represented graphically?
• Why vector quantities cannot be added and subtracted like scalar quantities?
• Sketch a velocity-time graph for the motion of the body. From the graph explaining each step, calculate the total distance covered by the body.