Is mass a vector quantity?

Is mass a vector quantity?
by

1 Answer

Answer :

It isn't, because a mass can only be positive - there are no negative masses. Also mass is only referring to one thing and this doesn't give as much information as a vector quantity. Mass is scalar.
by
selected by

Related questions

Which of the following is a vector quantity? (A) Energy (B) Mass (C) Momentum (D) Angle

Description : Which of the following is a vector quantity? (A) Energy (B) Mass (C) Momentum (D) Angle

Last Answer : (C) Momentum

is upthrust a scalar or vector quantity?

Description : is upthrust a scalar or vector quantity?

Last Answer : You've already told us its direction. As soon asyou tell us its magnitude, we'll have a vector.

Which of the following is a vector quantity?

Description : Which of the following is a vector quantity?

Last Answer : Which of the following is a vector quantity? A. Current density B. Current C. Wattless current D. Power

Why vector quantity cannot be subtracted and added like scalar?

Description : Why vector quantity cannot be subtracted and added like scalar?

Last Answer : Mainly because they aren't scalar quantities.A vector in the plane has two components, an x-component and ay-component. If you have the x and y components for each vector,you can add ... istheir lengths.Similarly, a vector in space has three components; you can addeach of the components separately.

A vector is a quantity with magnitude and blank?

Description : A vector is a quantity with magnitude and blank?

Last Answer : Apex- direction

Acceleration is a vector quantity true or false?

Description : Acceleration is a vector quantity true or false?

Last Answer : TRUE

True or false acceleration is a vector quantity?

Description : True or false acceleration is a vector quantity?

Last Answer : TRUE

A vector is a quantity with magnitude and ___?

Description : A vector is a quantity with magnitude and ___?

Last Answer : A vector is described by magnitude and direction (a scalar has only magnitude).

Pick out the vector quantity (a) Energy (b) Angular momentum (c) Angle (d) None of these

Description : Pick out the vector quantity (a) Energy (b) Angular momentum (c) Angle (d) None of these

Last Answer : Ans:(b)

Choose the only vector quantity from the following: (a) Energy (b) Length (c) Density (d) Torque

Description : Choose the only vector quantity from the following: (a) Energy (b) Length (c) Density (d) Torque

Last Answer : Ans:(d)

Which among the following is false about work? (1) If displacement is zero, work is zero (2) Work done can be negative (3) It is a vector quantity (4) Its unit is Joule

Description : Which among the following is false about work? (1) If displacement is zero, work is zero (2) Work done can be negative (3) It is a vector quantity (4) Its unit is Joule

Last Answer : (3) It is a vector quantity Explanation: Vector, in physics, a quantity that has both magnitude and direction. For example, displacement, velocity, and acceleration are vector quantities, while speed (the magnitude of velocity), time, and mass are scalars.

Which among the following is a vector quantity? (1) Heat (2) Angular momentum (3) Work (4) Time

Description : Which among the following is a vector quantity? (1) Heat (2) Angular momentum (3) Work (4) Time

Last Answer : (2) Angular momentum Explanation: Angular momentum is a vector quantity that represents the product of a body's rotational inertia and rotational velocity about a particular axis.

Stress can be defined as ______ quantity. (1) Scalar (2) Vector (3) Phasor (4) Tensor

Description : Stress can be defined as ______ quantity. (1) Scalar (2) Vector (3) Phasor (4) Tensor

Last Answer : (4) Tensor Explanation: Stress is defined as Resisting force per unit area of an element, on which load is applied. Stress is always perpendicular to a cross-section in the element. ... vector addition). It is a tensor quantity because it describes things happening in two directions simultaneously.

Work done upon a body ______. (1) only a vector quantity (2) only a scalar quantity (3) both vector and scalar (4) neither vector nor scalar

Description : Work done upon a body ______. (1) only a vector quantity (2) only a scalar quantity (3) both vector and scalar (4) neither vector nor scalar

Last Answer : (2) only a scalar quantity

Which of the following is not a vector quantity? (1) Speed (2) Velocity (3) Torque (4) Displacement

Description : Which of the following is not a vector quantity? (1) Speed (2) Velocity (3) Torque (4) Displacement

Last Answer : (1) Speed Explanation: Speed is a scalar quantity that refers to "how fast an object is moving." Speed can be thought of as the rate at which an object covers distance. It does not keep track of direction. In contrast, velocity is a vector quantity as it is direction aware.

Which one of the following is a vector quantity? (1) Momentum (2) Pressure (3) Energy (4) Work

Description : Which one of the following is a vector quantity? (1) Momentum (2) Pressure (3) Energy (4) Work

Last Answer : (1) Momentum Explanation: A vector quantity is a quantity that is fully described by both magnitude and direction.

Which of the following is not a vector quantity? (1) Acceleration (2) Electric current (3) Force (4) Velocity

Description : Which of the following is not a vector quantity? (1) Acceleration (2) Electric current (3) Force (4) Velocity

Last Answer : (2) Electric current Explanation: For a physical quantity to be termed a vector quantity, having magnitude and direction is not enough.

Magnetic dipole moment is a vector quantity directed from which direction?

Description : Magnetic dipole moment is a vector quantity directed from which direction?

Last Answer : South to north

Displacement is a A. scalar quantity B. vector quantity C. base quantity D. derived quantity

Description : Displacement is a A. scalar quantity B. vector quantity C. base quantity D. derived quantity

Last Answer : vector quantity

A vector quantity is one which has A. direction as well as magnitude B. magnitude only C. direction only D. no direction, no magnitude

Description : A vector quantity is one which has A. direction as well as magnitude B. magnitude only C. direction only D. no direction, no magnitude

Last Answer : direction as well as magnitude

What is vector quantity and what is scalar quantity?

Description : What is vector quantity and what is scalar quantity?

Last Answer : Vector quantity A quantity, which has both the direction and magnitude is said to be a vector quantity. Examples are force, emf, current etc. Scalar quantity A scalar quantity is that, which has only magnitude but no direction. Examples are temperature, mass, volume etc.

The magnetic vector potential is a scalar quantity. a) True b) False

Description : The magnetic vector potential is a scalar quantity. a) True b) False

Last Answer : b) False

Using volume integral, which quantity can be calculated? a) area of cube b) area of cuboid c) volume of cube d) distance of vector

Description : Using volume integral, which quantity can be calculated? a) area of cube b) area of cuboid c) volume of cube d) distance of vector

Last Answer : c) volume of cube

Which of the following is not a vector quantity? (A) Weight (B) Velocity (C) Acceleration (D) Force

Description : Which of the following is not a vector quantity? (A) Weight (B) Velocity (C) Acceleration (D) Force

Last Answer : (A) Weight

Quantities that describe both magnitude & direction  a. Physical Quantity  b. Scalar Quantity  c. Vector Quantity  d. None of the above

Description : Quantities that describe both magnitude & direction  a. Physical Quantity  b. Scalar Quantity  c. Vector Quantity  d. None of the above

Last Answer : Vector Quantity

Which is true:  a. Energy is a scalar quantity  b. Energy is a vector quantity  c. Energy is vector & scalar  d. None of the above

Description : Which is true:  a. Energy is a scalar quantity  b. Energy is a vector quantity  c. Energy is vector & scalar  d. None of the above

Last Answer : Energy is a scalar quantity

A vector quantity whose direction is the same as the direction of the velocity  a. Force  b. Momentum  c. Friction  d. Resultant

Description : A vector quantity whose direction is the same as the direction of the velocity  a. Force  b. Momentum  c. Friction  d. Resultant

Last Answer : Momentum

Which of the following is a vector quantity ? (a) Relative permeability (b) Magnetic field intensity (c) Flux density (d) Magnetic potential

Description : Which of the following is a vector quantity ? (a) Relative permeability (b) Magnetic field intensity (c) Flux density (d) Magnetic potential

Last Answer : (b) Magnetic field intensity

TSVQ stands for _________. A. tree structured vector quantizers B. tree structured valid quantizers C. tree unStructured vector quantizers D. tree structured vector quantity

Description : TSVQ stands for _________. A. tree structured vector quantizers B. tree structured valid quantizers C. tree unStructured vector quantizers D. tree structured vector quantity

Last Answer : A. tree structured vector quantizers

Vector A. It do not need the control of the human operator during their execution B. An arrow in a multi-dimensional space. It is a quantity usually characterized by an ordered set of scalars C. The validation of a theory on the basis of a finite number of examples D. None of these

Description : Vector A. It do not need the control of the human operator during their execution B. An arrow in a multi-dimensional space. It is a quantity usually characterized by an ordered set of scalars C. The validation of a theory on the basis of a finite number of examples D. None of these

Last Answer : B. An arrow in a multi-dimensional space. It is a quantity usually characterized by an ordered set of scalars

The electric intensity is a: (a) Scalar quantity (b) Vector quantity (c) Physical quantity (d) None of above

Description : The electric intensity is a: (a) Scalar quantity (b) Vector quantity (c) Physical quantity (d) None of above

Last Answer : (b) Vector quantity

As defined in physics, work is: w) a scalar quantity x) always a positive quantity y) a vector quantity z) always zero

Description : As defined in physics, work is: w) a scalar quantity x) always a positive quantity y) a vector quantity z) always zero

Last Answer : ANSWER: W -- A SCALAR QUANTITY

1. Who was the first General-Secretary of the Indian National Congress? 2. Which first Bank was established in India? 3. Magnetic dipole moment is a vector quantity directed from which direction? 4. How much distance does the earth’s annual circuit round the sun cover? 5. Which animal had the Stone Age people first?

Description : 1. Who was the first General-Secretary of the Indian National Congress? 2. Which first Bank was established in India? 3. Magnetic dipole moment is a vector quantity directed from which direction? 4. How much ... 19. Which is the largest river in the world? 20. Who was known as 'Andhra Bhoja'?

Last Answer : Answer : 1. Dadabhai Naoroji 2. Bank of Hindustan 3. South to north 4. 966 million kms 5. Sheep 6. Nitrogen 7. Constitution of Canada 8. Dr. Neelam Sanjiva Reddy 9. The horse latitude 10. ... . Kharoshti 16. 69th Amendment 17. Preparation of the plan 18. September 19 19. Amazon 20. Krishnadeva Raya

Stress can be defined as _____ quantity. (1) Scalar (2) Vector (3) Phasor (4) Tensor

Description : Stress can be defined as _____ quantity. (1) Scalar (2) Vector (3) Phasor (4) Tensor

Last Answer : Tensor

Which of the following is not a vector quantity ? (1) Speed (2) Velocity (3) Torque (4) Displacement

Description : Which of the following is not a vector quantity ? (1) Speed (2) Velocity (3) Torque (4) Displacement

Last Answer : Speed

Define Scalar and Vector quantity.

Description : Define Scalar and Vector quantity. 

Last Answer : Scalar Quantity: A physical quantity having only magnitude but no direction is called as scalar quantity Vector Quantity: A physical quantity having both magnitude as well as direction is called as vector quantity. 

Which one is a vector quantity out of the followings? A. Energy B. Volume C. Area D. Force

Description : Which one is a vector quantity out of the followings?  A. Energy B. Volume C. Area D. Force

Last Answer : Which one is a vector quantity out of the followings?  Force

Which of the following is a vector quantity:

Description : Which of the following is a vector quantity: (1) Volume (2) Speed (3) Density (4) Acceleration

Last Answer : Density is a vector quantity.

Which one of the following is a case of wrong matching? (a) Somatic – Fusion of two hybridization diverse cells (b) Vector DNA – Site for tRNA synthesis (c) Micropropagation – In vitro production of plants in large numbers (d) Callus – Unorganised mass of cells produced in tissue culture

Description : Which one of the following is a case of wrong matching? (a) Somatic – Fusion of two hybridization diverse cells (b) Vector DNA – Site for tRNA synthesis (c) Micropropagation – In vitro production of plants in large numbers (d) Callus – Unorganised mass of cells produced in tissue culture

Last Answer : (b) Vector DNA – Site for tRNA synthesis

9. Which one of the following is a case of wrong matching ? (1) Callus - Unorganised mass of cells produced in tissue culture (2) Somatic hybridization - Fusion of two diverse cells (3) Vector DNA - Site for t-RNA synthesis (4) Micropropagation - In vitro production of plants in large number

Description : 9. Which one of the following is a case of wrong matching ? (1) Callus - Unorganised mass of cells produced in tissue culture (2) Somatic hybridization - Fusion of two diverse cells (3) Vector DNA - Site for t-RNA synthesis (4) Micropropagation - In vitro production of plants in large number

Last Answer : Vector DNA - Site for t-RNA synthesis

Which of the following pair are vector quantities? w) time and space x) force and momentum y) energy and time z) momentum and mass e) mass

Description : Which of the following pair are vector quantities? w) time and space x) force and momentum y) energy and time z) momentum and mass e) mass

Last Answer : ANSWER: X -- FORCE and MOMENTUM 

Has the quantity of stellar mass of the Milky Way changed much since its formation? -Space

Description : Has the quantity of stellar mass of the Milky Way changed much since its formation? -Space

Last Answer : In March 2019, astronomers reported that the mass of the Milky Way galaxy is 1.5 trillion solar masses within a radius of about 129,000 light-years, over twice as much as was determined in earlier studies, and suggesting that about 90% of the mass of the galaxy is dark matter.

The _____________ sensor, monitors mass or volume of air flowing into the intake manifold for adjusting the quantity of fuel. a) engine temperature b) exhaust gas c) air flow d) air inlet temperature

Description : The _____________ sensor, monitors mass or volume of air flowing into the intake manifold for adjusting the quantity of fuel. a) engine temperature b) exhaust gas c) air flow d) air inlet temperature

Last Answer : Answer: c Explanation: The air flow sensor, monitors mass or volume of air flowing into the intake manifold for adjusting the quantity of fuel while exhaust gas senor senses the amount of oxygen in the engine exhaust and calculates air-fuel ratio.

The mass of a body is different from its weight because 1. mass is a variable quantity whereas weight is constant 2. mass varies very little at different places whereas weight varies a lot 3. mass is constant but weight decreases as the body moves from the poles to the equator 4. mass is a measure of the quantity of matter whereas weight is a force Which of the above statements is/are correct? (a) 1 only (b) 2 and 4 (c) 3 only (d) 3 and 4

Description : The mass of a body is different from its weight because 1. mass is a variable quantity whereas weight is constant 2. mass varies very little at different places whereas weight varies a lot 3. mass is constant but weight decreases as ... is/are correct? (a) 1 only (b) 2 and 4 (c) 3 only (d) 3 and 4

Last Answer : Ans:(d)

Which of the following statements is incorrect? (a) The mass of a body is not the same as its weight (b) Mass is a measure of quantity of matter whereas weight is a force (c) Mass of a body varies from place to place but its weight remains constant (d) In the MKS system, mass is expressed in kilogram and weight in newton

Description : Which of the following statements is incorrect? (a) The mass of a body is not the same as its weight (b) Mass is a measure of quantity of matter whereas weight is a force (c) Mass of a ... but its weight remains constant (d) In the MKS system, mass is expressed in kilogram and weight in newton

Last Answer : Ans:(c)

Which of the following is not a scalar quantity? (A) Time (B) Mass (C) Volume (D) Acceleration

Description : Which of the following is not a scalar quantity?  (A) Time  (B) Mass  (C) Volume  (D) Acceleration 

Last Answer : (D) Acceleration 

______ of a Body is the absolute quantity of a matter in it.  a. Mass  b. Weight  c. Density  d. Volume

Description : ______ of a Body is the absolute quantity of a matter in it.  a. Mass  b. Weight  c. Density  d. Volume

Last Answer : Mass

The physical quantity, which oscillates in most waves, is (i) mass (ii) energy (iii) Amplitude* (iv) wavelength

Description : The physical quantity, which oscillates in most waves, is (i) mass (ii) energy (iii) Amplitude* (iv) wavelength

Last Answer : iii) Amplitude*

In the equation of a nuclear reaction, all but one of the following quantities are equal to each other on both sides of the equation. Which quantity is NOT conserved: w) the net electric charge x) the total mass-energy y) the number of protons z) the number of nucleons

Description : In the equation of a nuclear reaction, all but one of the following quantities are equal to each other on both sides of the equation. Which quantity is NOT conserved: w) the net electric charge x) the total mass-energy y) the number of protons z) the number of nucleons

Last Answer : ANSWER: Y -- THE NUMBER OF PROTONS

When the velocity of an object is tripled, another quantity which is tripled at the same time is the object's: w) momentum x) potential energy y) kinetic energy z) mass

Description : When the velocity of an object is tripled, another quantity which is tripled at the same time is the object's: w) momentum x) potential energy y) kinetic energy z) mass

Last Answer : ANSWER: W -- MOMENTUM