In the following situations, identify the agent exerting the force and the object on which it acts. State the effect of the force in each case.<br />1.a person diving into the swimming pool.<br />2.a labourer moving a loaded cart.<br />3.a car coming to rest once it's engine is switched off.<br />4.an athlete making a high jump to clear a bar kept at a certain height.
Answers
1. Exerted by-person's hand
Object-water in pool
2.exerted by-labourer
object-cart
3.exerted by-friction
object-car's tyres
4.exerted by-man's legs
object-ground
Answer:
1. The agent exerting the force is water.In this case the object is the person.When the person diving into a swimming pool,the person fills difficulty in swimming.
2. vThe agent exerting the force is labourer.In this case the object is cart. When the labourercpull the cart, thecart starts moving.
3. The agent exerting the force is ground.In this case the object is car. When the engine is switched off, the car stops.
4. The agent exerting the force is the muscles of athelete and ground. In this case the object is athelete. When a bar kept at a certain height, the athelete will move upwards.