What is the weight of a 24.52kg Television dropped on pluto(acceleration of 0.59m/s/s)?
2 answers:
Answer:
14.47 Newtons
Explanation:
Hello
The weight of an object is the force of gravity on the object and can be defined as the product of mass by the acceleration of gravity, w = mg
for example
a person with mass of 80 kilograms on earth where the acceleration of gravity is 9.8 m/s2 weigh.
w=mg
W=80kg*9.8 m/s2
W=784 Newtons
Now, let see the data we have about the question
the weight is 14.47 N
Have a great day
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The magnitude of the force of friction is 40 N
Explanation:
To solve the problem, we just have to analyze the forces acting on the student and the scooter along the horizontal direction. We have:
- The constant pushing force forward, of magnitude F = 40 N
- The frictional force, acting backward,
Since the two forces are in opposite direction, the equation of motion is
where
m is the mass of the student+scooter
a is the acceleration
However, here the scooter is moving at constant speed: this means that its acceleration is zero, so
a = 0
And therefore,
which means that the magnitude of the force of friction is also equal to 40 N.
Learn more about force of friction here:
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