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PHYSICS

Physics
A disk and a sphere of same radius but different masses roll on two inclined planes of the same altitude and length. Which one of the two objects gets to the bottom of the plane first ?

Depends on their masses
Both reach at the same time
Disk
Sphere

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Physics
The washing machine works on the principle of

Reverse osmosis
Dialysis
Centrifugation
Diffusion

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Physics
When an unbalanced force acts on an object

Causes change in motion of the object
The speed & direction of the object will change
All of these
Causes the object to move

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Physics
What type of force acts on a car moving around a curve?

Centripetal force
Centrifugal force
Gravitational force
Cohesive force

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Physics
Damp clothes are dried in spin dryers by the action of

Central forces
Centrifugal forces
Centripetal forces
Non central forces

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