**Mass**is the amount of matter in an object. Move to a different planet and an object's weight will change, but its

**mass**will be the same. There are a couple of ways to

**measure mass**. The most common method is to use a balance.

Also know, what is the unit of mass?

The standard International System of

**Units**(SI)**unit of mass**is the kilogram (kg). The kilogram is 1000 grams (g), first defined in 1795 as one cubic decimeter of water at the melting point of ice.Why is weight not measured in Newtons?

When

**weight**is used to refer to**mass**, then use units of**mass**(kilograms), and when**weight**is used to refer to force, then use units of force (**newtons**). A body of**mass**1 kg will have**weight**9.8N. 1 kgf = 9.8N. Therefore we see a body of**mass**1 kg has**weight**1 kgf.What is the unit of force?

Newton

1

## What type of tool do you use to measure length?

**Length**is the

**measurement**of distance.There are many

**tools**such as vernier calliper,gauge,tapes,metric rulers which are used to

**measure length**. Depending upon what we tend to

**measure**,

**tool**varies. Vernier calliper is used to

**measure**the

**length**of rod,

**length**& diameter of a wire.

2

## What are the units for measuring the mass of an object?

unit of mass is kg(

**kilogram**) in si system and g(**gram**) in cgs system.. The unit of mass is the**kilogram**(kg), but commonly, when we measure something in kilograms, we are measuring the**force**of gravity on that mass, which should be measured in newtons (N), (a measure of**force**).3

## How do you measure mass?

**Measure**gravitational

**mass**. You can

**measure mass**using a balance. A balance is different from a scale because it uses a known

**mass**to

**measure**the unknown

**mass**where as a scale actually

**measures**weight. Finding

**mass**with a triple-beam balance or a double-pan balance is a form of

**measuring**gravitational

**mass**.

4

## What is the metric unit of mass?

**gram**( ) The basic unit of mass in the metric system, equal to 1,000 grams (2.2 pounds). See Table at measurement. See Note at weight. metric system A decimal system of weights and measures based on the meter as a unit of length, the

**kilogram**as a unit of mass, and the

**liter**as a unit of volume.

5

## How do you measure mass in space?

To

**measure**the**mass**of a person in**space**, the**mass**must be derived from something other than the force of gravity. On the International**Space**Station, the**mass**of an astronaut is**measured**by applying a force to them using a spring.6

## What equipment is used to measure mass?

Name | Use |
---|---|

Triple Beam Balance | Used to measure mass in grams. |

Thermometer | Used to measure temperature in degrees Celsius or Fahrenheit. |

Safety Goggles | To be worn when told to do so to protect your eyes. |

Ring Clamp | Used to clamp onto a ring stand to sit a beaker or flask. |

7

## How is mass measured in chemistry?

The

**mass**of water is expressed in grams (g) or kilograms (kg), and the volume is**measured**in liters (L), cubic centimeters (cm^{3}), or milliliters (mL). Density is calculated by the dividing the**mass**by the volume, so that density is**measured**as units of**mass**/volume, often g/mL.8

## How is velocity measured?

**Velocity**is a physical vector quantity; both magnitude and direction are needed to define it. The scalar absolute value (magnitude) of

**velocity**is called "speed", being a coherent derived unit whose quantity is

**measured**in the SI (metric system) as metres per second (m/s) or as the SI base unit of (m⋅s

^{−}

^{1}).

9

## What are the instruments used to measure mass?

Measuring Mass with a

**Balance**. Mass is the amount of matter in an object. Scientists often measure mass with a**balance**. A type of**balance**called a triple**beam balance**is pictured in Figure below.10

## What is a force and how is it measured?

Forces can be measured using a device called force meter. The unit of force is called the

**Newton**. It is represented by the symbol N. A force of 2N is smaller than 7N.11

## How do you measure a force?

**Method 1**

**Measure Force**

- Understand the relationship between force, mass, and acceleration. The force of an object is simply the product of its mass and acceleration.
- Measure the mass of a given object.
- Measure the object's acceleration.
- Multiply the object's mass by its acceleration.

12

## What is the measurement of density?

**Density**is a

**measure**of the “compactness” of matter within a substance and is defined by the equation:

**Density**= mass/volume eq 1. The standard metric units in use for mass and volume respectively are grams and milliters or cubic centimeters.

13

## What is the instrument used to measure capacity?

The jug's scale is in

**metric**units (litres and millilitres) and imperial units (pints and fluid ounces). You can use the scale on this kettle to measure amount of water you want to boil. It has a capacity of 1.7 litres. You can use a bucket to measure large amounts of liquid.14

## Which units represent density?

**Gram**(g) is the

**CGS**unit for

**mass**, and centimeter (cm) is the

**CGS**unit for length (or distance). Since we have already discussed that

**volume**is length x length x length, the appropriate units for

**volume**are cm x cm x cm or cm3. Therefore, the appropriate

**CGS**unit for density is g/cm3.

15

## Is mass measured in grams?

This lesson focuses on using the metric units of

**grams**and kilograms to**measure mass**. Students learn benchmarks for these units and recognize that a kilogram is a lot heavier than a**gram**. They learn that 1 kilogram is equal to 1,000**grams**.**Mass**and**weight**are often used interchangeably.16

## How do you measure the mass and volume of a liquid?

**Procedure**

- Find the mass of an empty graduated cylinder.
- Pour 100 mL of water into the graduated cylinder.
- Weigh the graduated cylinder with the water in it.
- Find the mass of only the water by subtracting the mass of the empty graduated cylinder.
- Use the mass and volume of the water to calculate density.

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## What is used to measure weight?

Spring balances or

**spring scales**calculate weight that is the product of mass into gravity (9.807 m/s^{2}) on the force on a spring, whereas a**balance**or pair of**scales**using a**balance**beam compares masses by balancing the weight due to the mass of an object against the weight of one or more known masses.