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2 years ago

What is the force applied to an object that has a mass of 200 kg and is accelerated to 40 m/s^2?

Physics

2 answers:

grandymaker [24]2 years ago

8 0

Answer:

Formulae of force

Force=mass×acceleration

F=200kg×40m/s^2

F=8,000N

N means Newton

tresset_1 [31]2 years ago

8 0

Answer:

8000 N

Explanation:

Force = mass × acceleration

→ F = m a

<u>Given :-</u>

Mass, m = 200 kg

acceleration, a = 40m/s²

F = 200 × 40

F = 8000 N

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3 years ago

A dock worker loading crates on a ship finds that a 27 kg crate, initially at rest on a horizontal surface, requires a 80 N hori

Aleksandr-060686 [28]

Answer:0.302

Explanation:

Given

mass of crate m=27 kg

Force required to set crate in motion is 80 N

Once the crate is set in motion 56 N is require to move it with constant velocity

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thus

$f_s(static\ friction)=\mu \cdot N$

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3 years ago

A child is riding a bike at a speed of 6m/s with a total kinetic energy of 1224J. If the mass of the child is 30kg, what is the

UkoKoshka [18]

Answer:

Mass of bike = 38 kg.

Explanation:

Kinetic energy is given by the expression, $KE = \frac{1}{2} mv^2$ , where m is the mass and v is the velocity.

Here speed of child riding bike = 6 m/s

Mass of child = 30 kg

Total kinetic energy = 1224 J

Let the mass of bike be, m kg

So, total mass of child and bike = (m + 30) kg

Substituting,

$1224 = \frac{1}{2}* (m+30)*6^2\\ \\ m+30=68\\ \\ m=38kg$

So, mass of bike = 38 kg.

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3 years ago