Question Paper
Class / Subject: Class 9 (CBSE) · Science
Chapter: Chapter 7 — Chapter 7: Motion
Time Allowed: 15 minutes
Max Marks: 6
1. Displacement is measured as: [1]
(A) the shortest straight-line distance with direction
(B) the total path length
(C) always equal to distance
(D) always positive only
2. A car travels 100km in 2 hours. Its average speed is: [1]
(A) 50 km/h
(B) 100 km/h
(C) 200 km/h
(D) 25 km/h
3. Velocity differs from speed in that velocity: [1]
(A) includes direction
(B) is always larger
(C) has no units
(D) cannot be calculated
4. Acceleration is calculated as: [1]
(A) change in velocity ÷ time
(B) distance ÷ time
(C) velocity × time
(D) displacement ÷ velocity
5. A car accelerates from 0 to 20 m/s in 5 seconds. Its acceleration is: [1]
(A) 4 m/s²
(B) 20 m/s²
(C) 100 m/s²
(D) 5 m/s²
6. The equations of motion assume: [1]
(A) constant (uniform) acceleration
(B) constantly changing acceleration
(C) zero velocity always
(D) zero displacement always