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3 years ago

A bulldozer pushes on a boulder with a force of 600 N. It accelerates at 3 m/s. Find mass.

Physics

1 answer:

MrRissso [65]3 years ago

5 0

Answer:

Formula for mass: m=f/a

m=600/3

The mass is 200.

Explanation:

Hope this helps!

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Explanation:

Let's count the forces acting on the bicylist:

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2) Normal reaction (N): this is the reaction force exerted by the road on the bicyclist. This force acts vertically upward, and it balances the weight, so its magnitude is equal to the weight of the bicyclist, and its direction is opposite

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$F_{net}$ is the net force

m is the mass of the body

a is its acceleration

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m = 60 kg is the mass of the bicyclist

$a=3.1 m/s^2$ is its acceleration

Substituting, we find the net force on the bicyclist:

$F_{net}=(60)(3.1)=186 N$

We can write the net force acting on the bicyclist in the horizontal direction as the resultant of the two forces acting along this direction, so:

$F_{net}=F_a-R$

where:

$F_{net}$ is the net force

$F_a$ is the applied force (forward)

$R$ is the air drag (backward)

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$F_{net}=186 N$ is the net force (found in part b)

$R=60 N$ is the magnitude of the air drag

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A bulldozer pushes on a boulder with a force of 600 N. It accelerates at 3 m/s. Find mass.​

A bulldozer pushes on a boulder with a force of 600 N. It accelerates at 3 m/s. Find mass.