While chatting with a friend you place your book bag on a nearby slide in the pl

Question

While chatting with a friend you place your book bag on a nearby slide in the playground at school. The bag remains stationary. Which of the following statements is correct regarding the magnitude of the frictional force

between the bag and slide? (Select all that apply. Here m is the mass of the bag, N is the normal force, is the coefficient of friction, and is the angle the slide makes with the horizontal.) Select all that apply

a) fs = N

b) fs < mg

c) fs = mg cos

d) fs = N

e) fs = mg

f) fs = mg sin

Explanation / Answer

fs = mg sin

fs < mg

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