Mass

Q.

Which of the following is correct?

1. 100 kilograms = 10 grams

2. 100 kilograms (kg) = 1 quintal

3. 1000 kilograms (kg) = 100 quintals

4. 1000 kilograms (kg) = 10 metric ton

Q.

Define one kilogram

Q.

The amount of matter contained in a substance is called.

Q.

Define mass. Give its SI unit.

Q.

What is the force which produces an acceleration of $1m{s}^{-2}$in a body of mass of 1kg?

Q.

Why does the mass remain same everywhere?

Q.

Define the mass of a body.Give its SI unit.

Q.

The S.I. unit of weight is _______.

1. dyne

2. kilogram

3. newton

4. gram

Q.

Define mass? What is its SI unit?

Q. A physical balance is used to measure mass of an object. State true or false.

1. True
2. False

Q.

Define the following:

Mass

Q. ntIf length of a cylinder is l = (4.00 +- 0.01) cm, radius r = (0.250 +- 0.001) cm and mass m = (6.25 +- 0.01) g. Calculate the percentage error in determination of density.n

Q.

How can we measure mass of costly things like gold and silver accurately?

Q.

A physical balance is used to find the mass of vegetables

1. True
2. False

Q. Define mass. If mass and radius of the Earth are $6.0\times {10}^{24}$ kg and $6.4\times {10}^6$ m respectively, calculate the force exerted by the Earth on a body of mass 1 kg. Also, calculate acceleration produced in the body of mass 1 kg and acceleration produced in the Earth. [5 MARKS]

Q. SI unit of mass is

1. kg
2. Newton
3. g
4. All of these

Q. The total mass of two objects of mass $1050kg$ and $12tonnes$ is

1. $22.5quintals$
2. $130.5quintals$
3. $11.2tonnes$
4. $12\times {10}^{3}kg$

Q.

State whether the given statement is True or False: $1^0\times 0^1=1$.

1. True
2. False

Q. A beam balance is used to measure the ________ of a body.

1. weight
2. mass
3. force
4. shape

Q.

What is S.I. unit of mass?

Q.

What are the units of mass in SI system?

Q. Quantity of matter contained in a body is _____

Q. State how will you use physical balance to measure mass of an object. Mention three precautions that you should observe.

Q. The measure of amount of matter contained inside a body is called its ___________.

1. Weight
2. Mass
3. Area
4. None of the above

Q. The kilogram, originally defined as the mass of ___________________at the temperature of maximum density, was known as the Kilogram of the Archives.

1. one cubic decimeter of water
2. one cubic decameter of water
3. one square decameter of water
4. one cubic decimeter of gasoline

Q. A fruit vendor has weights of 500 grams, 200 grams, and 50 grams. Alex wants to buy 2950 grams of mangoes. While weighing the mangoes, how many weights of each type should the vendor use?​

1. 4, 2, and 1​
2. 4, 3, and 1​
3. 5, 2, and 1​
4. 5, 1, and 3​

Q. Identify the correct statement for measuring weight using a beam balance:

1. When near the actual weight, weights should be tried in decreasing order
2. Both A and B are true
3. The beam should be lowered before adding or removing weights from the pan
4. Neither A nor B is true

Q. The kilogram is the SI base unit of mass and is equal to the mass of the international prototype of the kilogram , a ___________standard that is kept at the International Bureau of Weights and Measures (BIPM) .

1. platinum-iridium
2. platinum
3. all of the above
4. iridium

Q.

The SI unit of Mass is __.

1. milligram

2. pound

3. gram

4. kilogram

Q.

Give one word of the following.

A mass of $1000kg$