Class 3 Exam > Class 3 Videos > Mathematics for Class 3 > Measurement of Mass (Weight)
Measurement of Mass (Weight) Video Lecture | Mathematics for Class 3
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FAQs on Measurement of Mass (Weight) Video Lecture - Mathematics for Class 3
| 1. What is the difference between mass and weight? |  |
Ans. Mass refers to the amount of matter in an object and is measured in units such as grams or kilograms. Weight, on the other hand, is the force exerted on an object due to gravity and is measured in units such as newtons or pounds. While mass remains constant regardless of the gravitational pull, weight can vary depending on the strength of gravity.
| 2. How is mass measured? | |
Ans. Mass can be measured using various instruments such as a balance or a scale. A balance compares the mass of an object with known mass standards, while a scale measures the force exerted by an object due to its mass. The most common unit of mass is the kilogram, which is defined as the mass of the International Prototype of the Kilogram.
| 3. How is weight measured? | |
Ans. Weight is measured using a device called a weighing scale or a spring balance. These instruments measure the force exerted by an object due to gravity. The weight of an object can vary depending on the gravitational pull at a specific location. The most commonly used unit of weight is the newton, which is equivalent to the force required to accelerate a mass of one kilogram at a rate of one meter per second squared.
| 4. Can mass and weight be the same? | |
Ans. No, mass and weight are not the same. Mass is a measure of the amount of matter in an object, while weight is the force exerted on an object due to gravity. Mass remains constant regardless of the gravitational pull, whereas weight can change depending on the strength of gravity. For example, an object will have the same mass on Earth and in space, but its weight will be different due to the difference in gravitational forces.
| 5. How does the measurement of mass or weight affect daily life? | |
Ans. The measurement of mass or weight is essential in various aspects of daily life. For example, in cooking and baking, precise measurements of ingredients are necessary to ensure the desired taste and texture of the final product. In industries, accurate measurements of mass or weight are crucial for quality control, packaging, and transportation of goods. Moreover, understanding the concept of mass and weight helps in various fields such as engineering, physics, and sports, where knowledge of forces and motion is required.
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Dec 23, 2024 Last updated |
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