9th Science July Month Assignment
Question Paper, Answer key
Physics Unit-2-Motion
2021-2022
9th Science July Month Assignment Answer key Physics Unit-2-Motion, 9th Science Unit 2, July month assignment TN 9th Standard July Month Assignment Assignment Question Paper and Answer Key TN SCERT, Download Assignment 1 Question & Answer Key, 1st to 12th Assignment 2 Question & Answer key.
Assignment
Class : 9 Subject: Science(Physics)
Unit-2-Motion
Part - A
I. One Mark Questions.
1. If an object crosses equal distances in equal intervals of time, it is called as
A) Acceleration
B) Uniform motion
C) Displacement
D) Non – Uniform motion
2. -------- is used to measure the total distance covered by the vehicle
A) Speedometer
B) Anemometer
B) Odometer
C)Tachometer
3. When an object is thrown vertically upwards, at the highest point, the body acceleration is equal to -----------
A) Centripetal force
B) Centrifugal force
C) Acceleration due to gravity
D) Centripetal acceleration
4. A cyclist turns around a curve at 15 km/hr. If he turns at double the speed the tendency to overturn is ------------------
A) Doubled
B) Quadruped
C) Halved
D ) Unchanged
5. ---------- force is caused to deposit butter at the edge of vessels while curd churning
A) Magnetic force
B)Centripetal force
C) Centrifugal force
D) Frictional force
Part-B
Short answer:
1. Distinguish Distance and Displacement
2. An object travels 16 m in 4 s and then another 16m in 2s. What is the average speed of the object?
3. Differentiate speed and velocity
Part – C
III.Write in detail.
1. Explain different types of motion.
2. Derive the Equations of motion by graphical method.
