Science M.C.Q. [I MARKS]

Assertion (A): The force due to air in a column of the height of the atmosphere and area 15 cm × 15 cm (nearly equal to the area of your head) is nearly equal to the force of gravity on an object of mass 225 kg, then it is also bearable.
Reason (R): The atmospheric pressure is neutralised by the force of gravity experienced by us.

Assertion (A): In the game of tug of war, sometimes the rope doesn’t seem to move to any side even if strong forces are applied from both sides.
Reason (R): Equal force applied from opposite sides on any object makes the net applied force zero.

The force is always attractive in nature and extends to infinity

A spring balance is used for measuring

One kilogram is

The force exerted by an animal’s body is called

The standard unit of force is

Force exerted during the digestion of food

Which is not a non-contact force?

Force acting on a surface in a direction perpendicular to it is known as

Force is

Force can affect the state of motion of a body by changing

Force can be measured by

Which one of the following forces is a contact force?

Two objects repel each other. This repulsion could be due to the

During dry weather, while combing hair, sometimes we experience hair flying apart. The force responsible for this is

The force exerted by our muscles is called

Force changes the

The force exerted by a charged body on another charged body

Muscular force is also called _______________ force.

The force exerted by the Earth to pull the object towards itself is called

A _______________ exerted by an object on another is a force.