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9th Class Physics Chapter 2 Test9th Class · Physics · Punjab (PTB)
Q1. Multiple choice questions (Attempt all · 10 × 1 = 10)
A girl walks 3 km towards west and 4 km towards south. What is the magnitude of her total distance and displacement respectively?
If an object is moving with constant speed than its distance time graph will be a straight line:
By dividing displacement of a moving body with time, we obtain:
A body has translatory motion if it moves along a:
Which of the following is example of vibratory motion?
When an object is thrown vertically upward, the value of gravitational acceleration is:
How many types of translatory motion?
Mechanies is divided into ...... branches:
Which is not example of scalar quantity?
Change in position of a body from initial to final point is called:
Q2. Short questions (Attempt any 6 of 8 · 6 × 2 = 12)
What does the gradient of a distance-time graph represent?
Define kinematics.
Speed of a car is 72kmh-1 Convert this speed in ms-1.
Is it possible for a body to have acceleration? When moving with: (i) Constant velocity (ii) Constant speed.
Write symbolical representation methods of vectors.
Is it possible for a body to have acceleration? when moving with (i) Constant velocity (ii) Constant speed.
Write down the equations of motion for freely falling bodies.
Define origin.
Q3. Long questions (Attempt any 2 of 3 · 2 × 4 = 8)
(i)Define acceleration. Write its formula and Sl unit.(ii) Explain average acceleration.(iii) Define uniform and non-uniform acceleration.
Define graph. Explain graphical analysis of motion.
Differentiate between distance and displacement.