QUESTION 4 3-a: assume a wooden ruler is balanced and that it has uniform densit

Question

QUESTION 4

3-a:

assume a wooden ruler is balanced and that it has uniform density. If the wood is replaced by metal, increasing the mass and density of the ruler without changing its dimensions (and remaining uniform), the ruler will

tip toward m2

still be balanced

be unbalanced, but the direction depends on the hanging masses, the mass of the ruler, and distances

tip toward m1

QUESTION 5

3-b:

assume a wooden ruler is balanced and that it has uniform density. If the wood is replaced by metal, increasing the mass and density of the ruler without changing its dimensions (and remaining uniform), the ruler will

still be balanced

be unbalanced, but the direction depends on the hanging mass, the mass of the ruler, and distances

tip away from m

tip toward m

QUESTION 6

suppose that, instead of plotting force vs. time, we plotted force vs. displacement. What quantity would now be represented by the area under this curve ?

tip toward m2

still be balanced

be unbalanced, but the direction depends on the hanging masses, the mass of the ruler, and distances

tip toward m1

Explanation / Answer

Q5)
still be balanced

Q6)

still be balanced (there is diffrence between Q5 and Q6)

Q6)

Area under F-t curve = Impulse

and

Area under F-x curve = Workdone

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