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5-question demo · Mizoram High Court Assistant - General Science

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Question 1 of 5
An object takes 5 seconds to increase its velocity from 6 ms⁻¹ to 16 ms⁻¹. What is the acceleration?
A 2 ms⁻²
B 2 ms⁻¹
C 6 ms⁻¹
D 30 ms⁻¹
Why: To find acceleration, we use the formula: \( a = \frac{v - u}{t} \)

Where:
• u (initial velocity) = 6 ms⁻¹
• v (final velocity) = 16 ms⁻¹
• t (time) = 5 seconds

Substituting values:
\( a = \frac{16 - 6}{5} = \frac{10}{5} = 2 \text{ ms}^{-2} \)

The acceleration is 2 ms⁻². This represents a constant increase in velocity over the 5-second period, with the object gaining 2 meters per second in velocity every second.
Question 2 of 5
Define force and explain how it relates to motion using Newton's second law.
Why: This question requires explaining both the definition of force and its relationship to motion through Newton's second law with examples and applications.
Question 3 of 5
What is the SI unit of velocity?
A m/s
B ms⁻¹
C Both A and B are correct
D kg/s
Why: The SI unit of velocity is meters per second, which can be written in two equivalent forms: m/s or ms⁻¹. Both notations represent the same unit. The unit indicates distance traveled (meters) per unit time (seconds). Option C correctly identifies that both A and B are valid representations of the SI unit of velocity.
Question 4 of 5
Explain the concept of resultant force and provide an example of how to calculate it when multiple forces act on an object.
Why: This question requires a comprehensive explanation of resultant force with calculations and practical examples.
Question 5 of 5
Define uniform motion and provide two real-world examples where objects undergo uniform motion.
Why: This question requires defining uniform motion and providing detailed real-world examples with explanations.