3. A hunter shoots a 2 kg arrow accelerating it at 15m/s2 . How much force does this require?

30 Newton

Explanation:

Force can be obtained from the product of Mass M and acceleration A. The SI unit of force is Newton.

Thus, Force = MA

Mass of the arrow = 2kg

Acceleration of the arrow = 15m/s2

Force = 2kg x 15m/s2

Force = 30 Newton

Thus, the hunter require a force of 30 newton

as a general rule, scissors have blades less than 6 in (15 cm) long and usually have handles with finger holes of the same size. shears have blades scissors used to cut hair or fabric must be much sharper

in simple terms, the principle states that the buoyancy force on an object is equal to the weight of the fluid displaced by the object, or the density of the fluid multiplied by the submerged volume times the gravitational acceleration, g. this is also known as upthrust.