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Everyday Science Mcqs

The turning effect of force is called_________?

The turning effect of force is called_________?A. Moment
B. Momentum
C. Torque
D. None of these

The turning effect of a force is known as the moment of Force or Torque . It is the product of the force multiplied by the perpendicular distance from the line of action of the force to the pivot or point where the object will turn.
Torque (also known as moment, or moment of force) is the tendency of a force to cause or change the rotational motion of a body. It is a twist or turning force on an object. Torque is calculated by multiplying force and distance. It is a vector quantity, meaning it has both a direction and a magnitude.

 

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Everyday Science Mcqs, Physics Mcqs

Which law states that the rate of the effusion of a gas is inversely proportional to the square root of its density?

Which law states that the rate of the effusion of a gas is inversely proportional to the square root of its density?A. Graham’s Law
B. Gay-Lussac’s law
C. Boyle’s law
D. None of these

 

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Chemistry Mcqs, Everyday Science Mcqs

Which law states that the volume of a given amount of gas held at constant pressure is directly proportional to the Kelvin temperature?

Which law states that the volume of a given amount of gas held at constant pressure is directly proportional to the Kelvin temperature?A. Charles’ Law
B. Avogadro’s Law
C. Graham’s Law
D. Boyle’s law

 

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Chemistry Mcqs, Everyday Science Mcqs

By which process does the smell of cooking spread to all the rooms in a house?

By which process does the smell of cooking spread to all the rooms in a house?A. Distillation
B. Diffusion
C. Decomposition
D. Displacement

If someone is cooking in the kitchen, the smell travels around the house to other rooms. This is because of diffusion , the movement of particles from an area of high concentration to an area of low concentration.

 

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Everyday Science Mcqs