b) Identify the agent exerting the force and the object on which it acts. State the effect of the
force in each case.
i) Taking out paste from a toothpaste tube.
ii) An athelete making a high jump to clear the bar at a certain height.
iii) Squeezing a piece of lemon between the fingers to extract its juice.
iv) A load suspended from a spring while its other end is on a hook fixed to a wall.
Answers
i)=The effect of force is the lemon juice being expelled by squeezing, (b) The hand is the agent, toothpaste tube is object and the coming out of the paste from toothpaste tube is the effect of force. agent, toothpaste tube is object and the coming out of the paste from toothpaste tube is the effect of force...
ii)= An athlete making a high jump to clear the bar at a certain height. Answer: An athlete pushes the ground with his feet. His feet exert a muscular force on the ground..
iii)=The fingers are the agents, lemon is the object. The effect of force is the lemon juice being expelled by squeezing, (b) The hand is the agent, toothpaste tube is object and the coming out of the paste from toothpaste tube is the effect of force....
iv)=A load suspended from a spring while its other end is on a hook fixed to a wall. (d) An athlete making a high jump to clear the bar at a certain height. Answer: Squeezing a piece of lemon between the fingers to extract its juice....