In thefollowing situations identify the agent exerting the force and theobject on which it acts. State the effect of the force in each case.
(a) Squeezinga piece of lemon between the fingers to extract its juice.
(b) Takingout paste from a toothpaste tube.
(c) A load suspended from a spring while its other end is on a hookfixed to a wall.
(d) Anathlete making a high jump to clear the bar at a certain height.
In thefollowing situations identify the agent exerting the force and theobject on which it acts. State the effect of the force in each case.
(a) Squeezinga piece of lemon between the fingers to extract its juice.
(b) Takingout paste from a toothpaste tube.
(c) A load suspended from a spring while its other end is on a hookfixed to a wall.
(d) Anathlete making a high jump to clear the bar at a certain height.
(a) In squeezing a piece of lemon, we make use ofmuscular force to extract its juice. Thismuscular force acts on the lemon. As a result, the shape of the lemongets changed.
(b) We use our muscular force to take out pastefrom a toothpaste tube. The muscular forceacts on the toothpaste tube. As a result, the shape of the tube getschanged.
(c) Here, the suspended load exerts a force on thespring and pushes the spring downwards. Asa result, the spring gets stretched. Hence, its shape gets changed.
(d) An athlete pushes the ground with his feet.His feet exert a muscular force on the ground. This allows him tojump over the bar. As a result, his state of motion gets changed.
(a) In squeezing a piece of lemon, we make use ofmuscular force to extract its juice. Thismuscular force acts on the lemon. As a result, the shape of the lemongets changed.
(b) We use our muscular force to take out pastefrom a toothpaste tube. The muscular forceacts on the toothpaste tube. As a result, the shape of the tube getschanged.
(c) Here, the suspended load exerts a force on thespring and pushes the spring downwards. Asa result, the spring gets stretched. Hence, its shape gets changed.
(d) An athlete pushes the ground with his feet.His feet exert a muscular force on the ground. This allows him tojump over the bar. As a result, his state of motion gets changed.
