Physics, 18.11.2020 23:40 TTHOR1935

A sled is pulled at a constant velocity across a horizontal snow surface. If a force of 8.0 times 10^1 N is being applied to the sled rope at an angle of 53 degrees to the grind, what is the force of friction between the sled and the snow?

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Answer from: Chatoloko231

The force of friction between the sled and the snow is 48 newtons.

Given that,

The force is $8.0 \times 10^{1}$ .N is being applied to the sled rope at an angle of 53 degrees to the grind.

Based on the above information, the calculation is as follows:

$= 8\times 10x^{-1}N cos(53)$

= 48 newtons

Therefore we can conclude that the force of friction between the sled and the snow is 48 newtons.

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Answer from: HotWheels162000

48 Newtons

Explanation:

There is no acceleration and net forces. $8*10x^{-1} N cos(53) = friction$ 48.15 Newtons

Answer from: Quest

force is based upon mass and acceleration.the statement is not always true.

it can be explained from newton's second law of motion.

as per newton's second law of motion the rate of change of momentum is directly proportional to the applied force and takes place along the direction of force.

mathematically it can be written as -

$f\alpha \frac{dp}{dt}$

⇒ $f= k \frac{dp}{dt}$

here k is the proportionality constant whose value is 1.

$f=\frac{dp}{dt}$

$f= \frac{d[mv]}{dt}$

$f= m\frac{dv}{dt} +v\frac{dm}{dt}$

$f=ma+v\frac{dm}{dt}$ [a is the acceleration=dv/dt]

hence we see that force not only depends on mass and acceleration but also on velocity and rate of change of mass. force f will depend on mass and acceleration only when mass is constant.

hence the statement that force is based upon mass and acceleration is false.

Answer from: Quest

according to jean piaget, in what stage of cognitive development are children able to understand conservation task?

b. preoperational

just took it

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A sled is pulled at a constant velocity across a horizontal snow surface. If a force of 8.0 times 10...

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