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ivolga24 [154]
1 year ago
12

a 150 N force is used to pull a wooden box across a wooden surface at a constant velocity. what is the mass of the box?

Physics
1 answer:
IRINA_888 [86]1 year ago
7 0

Answer:

The mass of the box:

m =  60 kg

Explanation:

Given:

F = 150 N

g = 10 m/s²

_________

m - ?

Coefficient of friction wood on wood:

μ = 0.25

Friction force:

F₁ = μ*m*g

Newton's Third Law:

F = F₁

F = μ*m*g

The mass of the box:

m = F / ( μ*g) = 150 / (0.25*10) =  60 kg

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