Answer :
The coefficient of kinetic friction among the floor and the field is 0.092.
Friction is a form of touch force. It exists among the surfaces which might be in touch. The frictional pressure depends at the person of the surface in touch. The rougher the ground, the greater the friction is worried. The frictional force is proportional to the pressing pressure, it's the load of the frame. it is independent of the region of the contact.
Calculation:-
mass = 5 kg
distance travelled = 5 m
initial speed = 3 m/s
v² = u² -2as
a = u²/2s
= 3²/2 × 5
= 0.9 m/s²
F = μkN
ma = μkmg
5×0.9 = μk 5 ×9.8
μk = 4.5/49
= 0.092
Friction is the force resisting the relative movement of strong surfaces, fluid layers, and material factors sliding in opposition to every different. There are numerous forms of friction: Dry friction is a strain that opposes the relative lateral motion of two strong surfaces in touch.
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