MEDIUM
8th CBSE
IMPORTANT
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A container is filled with water as shown in the figure below.

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Which of the following statement is correct about the pressure of water in this container?

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Important Questions on Force and Pressure

MEDIUM
8th CBSE
IMPORTANT

An empty metal bottle has to be placed on a table so that it exerts the maximum pressure on the surface of the table?

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For this, the bottle need to be placed in the position(s) labelled as-

MEDIUM
8th CBSE
IMPORTANT
When we press the bulb of a dropper, with its nozzle kept under water, air in the dropper is seen to escape in the form of bubbles. If we then release the pressure on the bulb, water gets filled in the dropper. The rise of water in the dropper is due to-
MEDIUM
8th CBSE
IMPORTANT
The length, breadth and height, of a given rectangular box, are 100 cm, 50 cm and 20 cm, respectively. This box is kept on ground in three different ways, one by one. Which of the following statements is the correct statement about the pressure exerted, by this box, on the ground?
MEDIUM
8th CBSE
IMPORTANT

In the following situation, identify the agent exerting the force. Also, state the effect of the force.

Squeezing a piece of lemon between the fingers to extract its juice.

MEDIUM
8th CBSE
IMPORTANT

In the following situation, identify the agent exerting the force. Also, state the effect of the force.

A person diving into a swimming pool.

MEDIUM
8th CBSE
IMPORTANT
In the following situation, identify the agent exerting the force. Also, state the effect of the force.
A labourer moving a loaded cart.
HARD
8th CBSE
IMPORTANT

In the following situation, identify the agent exerting the force. Also, state the effect of the force.

A car comes to rest once its engine is switched off.

EASY
8th CBSE
IMPORTANT

In the following situation identify the agent exerting the force and the object on which it acts. State the effect of the force in the case. 

An athlete making a high jump to clear the bar at a certain height.