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.
Agent exerting the force is Fingers
Object on which the force acts is Lemon
Effect of force is Lemon juice is extracted by squeezing.
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.
Agent - Suspended Load
Object - The spring
Effect - Elongation of the spring upon suspension of load.
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.
Agent - Hand of the person squeezing the tube.
Object - Toothpaste tube
Effect - The paste comes out of the tube on squeezing.
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.
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?
Electrostatic force is responsible for the attraction between the balloon and the wall.