1.

Take an object that weighs maximum 2 kg and place it on the ground. Move the object in the following two ways: Move the object to 1meter distance by pulling or pushing the object.Move the object to 1 meter distance by lifting the object with your hands.        What are the forces applied on the object in the two situations and categorize the forces  as contact or non-contact.        Compare the force exerted by you in the two situations.​

Answer»

muscular FRICTIONAL and GRAVITATIONAL gravitational FORCE is NON contact forcemuscar and frictional forces are contact forces



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