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A blacksmith hammers a hot piece of iron while making a tool. How does the force due to hammering affect the piece of iron?
Hammering the iron requires a force and this force causes the hot iron to change the shape of iron. Thus, hot iron can be moulded in the shape as required.
The north pole of a magnet ____________ the north pole of another magnet.
An archer stretches her bow while taking aim at the target. She then releases the arrow, which begins to move towards the target. Based on this information fill up the gaps in the following statements using the following terms :
Muscular, contact, non-contact, gravity, friction, shape, attraction
i) To stretch the bow, the archer applies a force that causes a change in its ____________ .
An archer stretches her bow while taking aim at the target. She then releases the arrow, which begins to move towards the target. Based on this information fill up the gaps in the following statements using the following terms :
Muscular, contact, non-contact, gravity, friction, shape, attraction
ii) The force applied by the archer to stretch the bow is an example of ____________ force.
An archer stretches her bow while taking aim at the target. She then releases the arrow, which begins to move towards the target. Based on this information fill up the gaps in the following statements using the following terms :
Muscular, contact, non-contact, gravity, friction, shape, attraction
iii) The type of force responsible for a change in the state of motion of the arrow is an example of a ____________ force.
An archer stretches her bow while taking aim at the target. She then releases the arrow, which begins to move towards the target. Based on this information fill up the gaps in the following statements using the following terms :
Muscular, contact, non-contact, gravity, friction, shape, attraction
(iv) While the arrow moves towards its target, the forces acting on it are due to ____________ and that due to ____________ of air.
In the following situation identify the agent exerting a force and the object on which it acts. State the effect of the force in such case.
Squeezing a piece of lemon between the fingers to extract its juice.
In the following situation identify the agent exerting a force and the object on which it acts. State the effect of the force in such case.
Taking out paste from a toothpaste tube.
In the following situation identify the agent exerting a force and the object on which it acts. State the effect of the force in such case.
A load suspended from a spring while its other end is on a hook fixed to a wall.
A blacksmith hammers a hot piece of iron while making a tool. How does the force due to hammering affect the piece of iron?
An inflated balloon was pressed against a wall after it has been rubbed with a piece of synthetic cloth. It was found that the balloon sticks to the wall. What force might be responsible for the attraction between the balloon and the wall?
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