SPEED & VELOCITY 08 MOTION Class 9th Science (Physics) (Practice Sheet) 1 What is the SI unit of speed? A. Kilometer B. Meter per second (m/s) C. Kilometer per hour (km/h) D. Second 2 A car travels a distance of 300 meters in 20 seconds. What is its speed? A. 15 m/s B. 60 m/s C. 10 m/s D. 25 m/s 3 Which of the following quantities has both magnitude and direction? A. Distance B. Speed C. Velocity D. Time 4 If an object is moving in a straight line and its velocity is constant, what can you say about its acceleration? A. The object is accelerating B. The object has zero acceleration C. The object is at rest D. The object's acceleration is changing 5 What is the difference between speed and velocity? A. Speed is a scalar quantity, while velocity is a vector quantity B. Speed is a vector quantity, while velocity is a scalar quantity C. Speed and velocity are the same D. Speed and velocity have different SI units 6 What is the difference between Speed and Velocity? 7 Give the SI Unit and dimension of Velocity. 8 Define Average Velocity. 9 What is Angular Velocity? 10 A car moves 50km in 2 hours. What is the Velocity of the car? Page 1 Email: Phone No: Website:
[email protected] +91 93299 65211 www.brisklearning.com Address: Office No. 605, CTS No. 658, Gayatri Bhuvan, A & B, Kandivali, Dattani Park, Thakur Village, Kandivali East, Mumbai, Maharashtra 400101
Tiếng Việt