Question

do all short answer questions in very shortly and simple language please do all questions its my humble request to u please help me



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Answer 1

Answer:

And 1)Non contact force=magnetic force, gravitational force and electrostatic force. Contac force= Frictional Force ,Gravitational, Electrical Force

And 2) Examples of pushing:

i) Pushing an important block to displace it from its original position.

ii) Pushing a trolley.

Examples of pulling:

i) Drawing a bucket of water from a well.

ii) Opening a drawer of a table.

And 3) force can produce the following effects:

1) A force can move a stationary object. 2) A force can stop a moving object. 3) A force can change the speed of a moving object. 4) A force can change the direction of a moving object. 5) A force can change the shape and size of an object

Ans 4) When two forces act on an object in the same direction the forces add up to produce a large force. The magnitude of the two forces in the same direction is added to get the resultant force. For example, if f1 and f2 are the two forces acting on an object, the resultant force f= f1 + f2.

Ans 5)When the inflated balloon is rubbed with a piece of synthetic cloth, it gets charged due to friction. When the balloon is pressed against a wall, the electrostatic force between the balloon and the wall is responsible for the attraction between the balloon and the wall.

Ans 6)The consequences are:- 1. Air Movements 2. Fogs and Clouds 3. Rainfalls

HOPE IT'S HELPS YOU