10th Science -1.Laws of motion

 

1.

Inertia of a body depends on

Weight of the object

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acceleration due to gravity of the planet

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Mass of the object

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Both a&b

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2.

Impulse is equals to

Rate of change of momentum

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Rate of force and time

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Change of momentum

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Rate of change of mass

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3.

Newton's III law is applicable

For a body is at rest

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For a body in motion

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Both a&b

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Only for bodies with equal masses

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4.

In which of the following sport the turning of effect of force is used

Swimming

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Tennis

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Cycling

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Hockey

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5.

One kilogram force equals to

9.8 dyne

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9.8X10*4N

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98X10*4 dyne

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980 dyne

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6.

To protect the rockets which of the following principle/s is/(are) required?

Newton's third law of motion

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Newton's laws of gravitation

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Law of conservation of linear momentum

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Both a and c

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7.

The CGS unit of force is

Newton

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kilogram

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Dyne

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Kg f

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8.

The ability of a body to maintain it's state of rest or motion is called

Momumtum

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Velocity

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Impulse

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Inertia

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9.

A rollercoaster exhibits the phenomenon of

Gravity

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Apparent weight

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Weightlessness

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Impulse

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10.

Linear momentum is given by p=------

m x a

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m x v

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m x f

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f x m

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