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sattari [20]
2 years ago
13

What is pressure and force​

Physics
1 answer:
NNADVOKAT [17]2 years ago
3 0
Pressure is the amount of force exerted on an object and force is strength or energy of an action
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Calculate the potential energy of 5.0g (0.005 kg) paper airplane 5.0 meters above the ground
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PE = (mass) (gravity) (height)

PE = (0.005 kg) (9.8 m/s²) (5 m)

<em>PE = 0.245 Joule</em>

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Which of the following statements is true of a gas?
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A box is being pulled by two ropes. Eduardo pulls to the left with a force of 500 N, and Clara pulls to the right with a force o
sergejj [24]

Answer:

kinetic friction or something else

Explanation:

Draw a diagram to illustrate the problem, as shown below.

m = mass of the box, kg

mg =  weight of the box, N, acting downward

Because of Newton's 3rd law, a normal force of N = mg acts upward on the box.

C = 200 N, the force applied by Clara, horizontally to the right

E = 500 N, the force applied by Eduardo, horizontally to the left.

Because E is greater than C, the box will move left.

The frictional force, F, will resist the initial motion. Its magnitude is

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F acts horizontally to the right.

From the given table, we can conclude that

Normal force acting upward is correct

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Tension by Clara acting right is correct.

Kinetic friction acting left is Incorrect.

Gravity acting downward is correct.correct

Answer:

The direction of the kinetic friction force is incorrect

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3 years ago
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