Air resistance ______ with an increase in the speed of the object moving through it. a) increases b)decreases c)remains same d)no change

Air resistance ______ with an increase in the speed of the object moving through it.
a) increases b)decreases c)remains same d)no change
by

1 Answer

Answer :

a) increases
by

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We often sprinkle talcum powder on the carom board . This is done to reduce ______ between the board and the striker. a) friction b)movement c)speed d)contact

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Last Answer : a) friction

A ball bearing is used in shafts of motors, dynamos to reduce ______. a) movement b)friction c)speed d)none

Description : A ball bearing is used in shafts of motors, dynamos to reduce ______. a) movement b)friction c)speed d)none

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Describe with neat diagram air friction damping.

Description : Describe with neat diagram air friction damping. 

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What is Friction?

Description : What is Friction? 

Last Answer : Friction is the force that opposes the relative motion or tendency to such motion of two bodies in contact. If we try to push a block of wood across a table, there are two opposing forces ... table) the object moves further and further before stopping. This demonstrates Galileo's law of inertia too.

________ is a substance that can reduce the force of friction between the two surface in contact. a) lubricant b)paste c)water d)push

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Description : Write two advantages and two disadvantages of friction.

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The friction losses in Real Transformers are :

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Last Answer : A

Kinetic friction is the?

Description : Kinetic friction is the?

Last Answer : Kinetic friction is the friction force acting when the body is in motion.

Tangent of angle of friction is equal to?

Description : Tangent of angle of friction is equal to?

Last Answer : Tangent of angle of friction is equal to coefficient of friction.

Dynamic friction as compared to static friction is?

Description : Dynamic friction as compared to static friction is?

Last Answer : Dynamic  friction  is   less  compared  to  static  friction.

Coulomb friction is the friction between?

Description : Coulomb friction is the friction between?

Last Answer : Coulomb friction is the friction between bodies having relative motion.

Limiting force of friction is the?

Description : Limiting force of friction is the?

Last Answer : Limiting force of friction is the friction force acting when the body is just about to move.

Coefficient of friction is the?

Description : Coefficient of friction is the?

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On the ladder resting on the ground and leaning against a smooth vertical wall, the force of friction will be?

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On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be?

Description : On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be?

Last Answer : On a ladder resting on smooth ground and leaning against vertical wall, the force of friction will be upwards at its upper end.

The ratio of limiting friction and normal reaction is known as?

Description : The ratio of limiting friction and normal reaction is known as?

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The coefficient of friction depends on?

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Last Answer : The coefficient of friction depends on nature of surface.

Angle of friction is the?

Description : Angle of friction is the?

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The normal value of adhesion friction is?

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The friction at the track is proportional to?

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Description : Work input to the air compressor with n as index of compression A. Increases with increase in value of n B. Decrease with increase in value of n C. remains same whatever the value of n D. first increase and then decreases with increase of value of n.

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Description : When light passes from air into water, the frequency of the light remains the same. What happens to the speed? And the wavelength of light as it crosses the boundary in going from air into ... same Decreases C. Remains the same remains the same D. Decreases Increases E. Decreases Decreases

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