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Brums [2.3K]
3 years ago
13

You exert of force of 75 newtons on a rock. You push and you push, but you can't budge it. You are exhausted! How much work did

you perform?
Physics
1 answer:
sergiy2304 [10]3 years ago
7 0
You performed 0 work for the fact that work means the distance of movement made on an object not the amount of force it is exposed to. 0 work because it didn't move
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Reducing, reusing, and recycling in your office is likely to _______.
iris [78.8K]
Conserve natural resources, energy and landfill space.
4 0
3 years ago
A woman takes her dog rover for a walk on a leash. She pulls on the leash with a force of 30.0 N at an angle of 29° above the ho
IrinaK [193]

19.8 N force is tending to lift Rover vertically off the ground.

<h3>What is horizontal and vertical component?</h3>

The horizontal velocity component (v_{x}) describes the influence of the velocity in displacing the projectile horizontally. The vertical velocity component (v_{y}) describes the influence of the velocity in displacing the projectile vertically.

According to the question,

The women pulls the dog with a force of 30 N at an angle of  29° from the horizontal.

Horizontal component=  30cos(29°) = 22.2 N

Vertical component = 30sin(29°) = 19.8 N

Therefore,

The horizontal component would tend to make the dog move forward and the vertical component would tend lift it off the ground.

Hence,

19.8 N force is tending to lift Rover vertically off the ground.

Learn more about horizontal and vertical component here:

brainly.com/question/11776718

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4 0
1 year ago
A watering can is most likely measured in which metric unit
Iteru [2.4K]
A watering can is used to hold a water that we will use to water the plants. The water has both mass and volume. Two watering cans are most often different by the volume they contain. 

Many various units for volume are used but most often used unit is liter. In a metric system basic units are those such as meter, kilogram and liter while in imperial system units used are those such as foote, inch, pound and gallon.

Unit for volume in metric system is cubic meter. It is equal to a volume of a cube whose all sides measure 1m. This is equal to 1000L. For watering cans that contain several liters units used is decimeter cubed. 1dm^3 = 1L
3 0
3 years ago
To do the same amount of work in less time you need to
Dima020 [189]

Answer:

requires more power

Explanation:

5 0
3 years ago
Sharon throws a 0.20 Kg with an acceleration of 10 m/s/s.
OlgaM077 [116]
Force=A×M
10m/s×0.20kg
=2Newton
4 0
3 years ago
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