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2 years ago

What are two ways that machines can change the way that work is done?

2 answers:

5 0

Machines makes work easier by increasing the amount of force that is applied, and changing the direction in which the force is applied !! Hope it helped (p.s. I had this same question)

rosijanka [135]2 years ago

3 0

Answer:

1. Low numbers in labor work. 2. products can be easily distributed.

Explanation:

Many places that produce products still relying on human labor. So using machine will help lower the amount of people in dangerous labor.

Using machines can also make a product be produced a lot faster.

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What is the spring potential energy of a spring that is stretched 15 cm if its spring constant is 350 n/m?

VladimirAG [237]

Answer:

Spring potential energy = 7.875Nm

Explanation:

Given the following data;

Extension, e = 15cm to meters = 15/100 = 0.15m

Spring constant, k = 350n/m

To find the force;

Force = spring constant * extension

Force = 350 * 0.15

Force = 52.5 Newton.

Now to find the spring potential energy we would use the formula below;

Spring potential energy = force * extension

Substituting into the equation, we have;

Spring potential energy = 52.5 * 0.15

Spring potential energy = 7.875Nm

6 0

3 years ago

(10 points) A spring with a 7-kg mass and a damping constant 12 can be held stretched 1 meters beyond its natural length by a fo

Ierofanga [76]

Answer:

......................

8 0

2 years ago

I am going to build a boat. My partner says I cannot put a refrigerator and a television in my boat because that would make it t

krok68 [10]

Answer:

In mine I said to build the boat accordingly based on what is going to be in it

Explanation:

just remember the density of the boat cannot change but the volume and the mass can

3 0

2 years ago

Cart 1 has a mass of 1 kg. Cart 2 has a mass of 2 kg. They are pushed apart by a spring. The spring exerts 2N of force into cart

almond37 [142]

The force exerted on the cart 2 during the collision is 2 N.

The given parameters:

Mass of cart 1 = m1 = 1 kg
Mass of cart 2 = m2 = 2kg
Force applied on cart 1 = 2 N

According to Newton's third law of motion, action and reaction are equal and opposite. The force exerted on cart 1 is equal in magnitude to the force exerted on cart 2 but in opposite direction.

$F_1 = -F_2$

$F_2 = -F_1\\\\F_2 = -2 \ N\\\\|F_2| = 2 \ N$

Thus, the force exerted on the cart 2 during the collision is 2 N.

Learn more about Newton's third law of motion here: brainly.com/question/13874955

5 0

2 years ago

A race car accelerates uniformly from 18.5 m/s in 2.47 seconds m. Determine the acceleration of the car in m/sec^2 and the dista

Diano4ka-milaya [45]

The change of velocity is from 18.5 to 46.1 m/s or 46.1 - 18.5 = 27.6 m/s. The time of change is 2.47 s. So the acceleration is 27.6 m/s / 2.47 s = 11.17 m/s^2. The distance traveled is average velocity times time of travel.

6 0

2 years ago