Question

answer me plese it is important

Answer 1

a) Hand is exerting force. As you squeeze the lemon with your hands, the lemon juice comes out and the lemon gets crushed.

b) The person is exerting force. As the person jumps into the pool, the force will make the water move even if it has buoyancy because the force exerted is more than the buoyancy.

c) The labourer is exerting force. As the labourer exerts force, the loaded cart will start moving slowly.

I don't know about the d) and e). Sorry :(

Answer 2

a) the finger is exiting the force and the effect is the shape of lemon get changed

b) the hands of the person is exiting the force and effect is water being pushed behind

c) the body of labourer is pushing the cart and the effect is the cart is being moved

d) the engine being switched off does a negative work on the tyres of the car which results in stopping of the car

e) the legs of the athletes applies the force which results in making the athlete to complete his task

hope this answer will help you