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3 years ago

According to the Hooke’s law formula, the force is proportional to what measurement?

Physics

2 answers:

vesna_86 [32]3 years ago

8 0

According to Hooke's Law formula. The force is proportional to the displacement of the spring. I believe

Advocard [28]3 years ago

3 0

Answer: The correct answer is the displacement of the spring.

Explanation:

Hooke's Law is used to determine the force applied when a spring is compressed or extended. The formula for Hooke's Law is given by the equation:

$F\propto x$

Removing proportionality sign,

$F=kx$

where,

F = force applied on the spring

k = Spring constant

x = Compression or extension of the spring. In other words it is the displacement of the spring.

Hence, from above relation, it is visible that force is directly proportional to the displacement of the spring.

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Tristan is an engineer working on a design for a new roller coaster. He wants the car to shoot out of the station very fast but

uysha [10]

Answer:

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3 years ago

The propeller of a World War II fighter plane is 2.30 m in diameter. (a) What is its angular velocity in radians per second if i

Sergio [31]

Answer with Explanation:

We are given that

Diameter of fighter plane=2.3 m

Radius= $r=\frac{d}{2}=\frac{2.3}{2}=1.15 m$

a.We have to find the angular velocity in radians per second if it spins=1200 rev/min

Frequency= $\frac{1200}{60}=20 Hz$

1 minute=60 seconds

Angular velocity= $\omega=2\pi f$

Angular velocity= $2\times \frac{22}{7}\times 20=125.7 rad/s$

b.We have to find the linear speed of its tip at this angular velocity if the plane is stationary on the tarmac.

$v=r\omega=1.15\times 125.7=144.56 m/s$

c.Centripetal acceleration= $\omega^2 r=(125.7)^2(1.15)=18170.56 m/s^2$

Centripetal acceleration== $\frac{18170.56\times g}{9.81}=1852.25 g m/s^2$

7 0

3 years ago

He formula p=m x v to answer th<br>2,000 kg car moving at 30 m/s

aivan3 [116]

The momentum of the car is 60,000 kg m/s

Explanation:

The momentum of an object is a vector quantity, whose magnitude is given by

$p=mv$

where

m is the mass of the object

v is its velocity

For the car in this problem, we have

m = 2,000 kg

v = 30 m/s

Therefore, the magnitude of its momentum is

$p=(2000)(30)=60,000 kg m/s$

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7 0

3 years ago

Forces normal to a particle's displacement do no work.

snow_tiger [21]

Answer:

Explanation:

The work done is defined as the product of force applied in the direction of displacement and the displacement.

W = F x d x Cosθ

where, F is the force applied, d be the displacement and θ be the angle between the displacement and force.

For the normal forces, the angle between the displacement and the force applied is 90 degree, and the value of Cos 90 is zero, so the work done is zero.

3 0

3 years ago

Scientific way of thinking

noname [10]

Answer:

huh,? can you explain the question more please

7 0

3 years ago

Read 2 more answers