3 years ago

According to Newton’s third law of motion, what happens whenever one object exerts a force on a second object?

Physics

1 answer:

mixas84 [53]3 years ago

6 0

Answer:

When one object exerts a force on another object, the second object exerts the same size force on the first object

Explanation:

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The answer to the question is

3340800 m far

Explanation:

To solve the question, we note that acceleration = 29 m/s²

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An object moving 20 m/s

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Answer:

We are given:

initial velocity (u) = 20m/s

acceleration (a) = 4 m/s²

time (t) = 8 seconds

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Solving for Displacement:

From the seconds equation of motion:

s = ut + 1/2 * at²

replacing the variables

s = 20(8) + 1/2 * (4)*(8)*(8)

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2 years ago

A 90 kg painter is standing on a horizontal wooden scaffolding of length 10 m, which is supported on each end by a rope. The pai

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Explanation:

For equilibrium, $\sum M = 0$ .

So, $8 m \times mg - (10 m) T_{1}$ = 0

$T_{1} = \frac{8 \times mg}{10}$

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Also, for equilibrium $\sum F_{y}$ = 0

$T_{1} + T_{2} - mg$ = 0

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