A tailor's feet sew a cloth , on a sewing machine.Which type of motion they perform ?

An archer stretches her bow while taking aim at the target. She then releases the arrow, which begins to move towards the target .Based on this informaion, fill up the gaps in the following statements using the following terms. Muscular,contact,non -contact,gravity, friction,shape, attraction The type of force responsible for a change in the state of motion of the arrow is an example of a............. force .

An archer stretches her bow while taking aim at the target. She then releases the arrow , which begins to move towards the target. Based on this information fill up the gaps in the following statements using the following terms. Muscular, contact, non-contact, gravity, friction, shape, attraction. The type of force responsible for a change in the state of motion of the arrow is an example of a ....... force.

A dealer in rural area wishes to purchase a number of sewing machines. He has only Rs 5670 to invest and has a space for at most 20 items. An electronic sewing machine costs him Rs 360 and manually operated sewing machine Rs 240. He can sell electronic sewing machine at a profit of Rs 22 and a manually operated sewing machine at a profit of Rs 18. Assumning that he can sell all the items that he can buy, how should he invest his money in order to maximize his profit. Make it a linear programming problem and solve it graphically. Keeping the rural background in mind justify the values to be promoted for the selection of the manually operated machine.

Which type of force is required to change the direction of motion of the body - a balanced or unbalanced force ?

Different type of tissues are present in different parts of human body. Each of these is specialized to perform a specific function for which its has certain adaptations.