Give one word each of the following: [05]
1. An instrument used in measuring volume of an irregular solid.
2. A completely irregular and unpredictable motion of a particle.
3. The total space occupied by an object.
4. The pull exerted by the earth on a given object.
5. The type of motion for the needle of swing machine.
Answers
Answer:
4.gravitational force
Explanation:
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Answer:
1)Measuring jar, scale, vernier calipers are used to measure the volume of an object. If the object is irregular, measuring jar is used and volume is measured by displacement method. If the object is regular its dimensions are measured using either scale or vernier calipers and volume is calculated.
2)Brownian movement or motion, zigzag, irregular motion exhibited by minute particles of matter when suspended in a fluid. The effect has been observed in all types of colloidal suspensions (see colloid)—solid-in-liquid, liquid-in-liquid, gas-in-liquid, solid-in-gas, and liquid-in-gas. It is named for the botanist Robert Brown who observed (1827) the movement of plant spores floating in water. The effect, being independent of all external factors, is ascribed to the thermal motion of the molecules of the fluid. These molecules are in constant irregular motion with a velocity proportional to the square root of the temperature.
3)The space occupied by an object is called its volume.
4)gravity, also called gravitation, in mechanics, the universal force of attraction acting between all matter. ... On Earth all bodies have a weight, or downward force of gravity, proportional to their mass, which Earth's mass exerts on them. Gravity is measured by the acceleration that it gives to freely falling objects.
5)The motion described by the needle of sewing machine is oscillatory motion.
Explanation:
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