What is the gravitational force acting on a 70.0 kg object standing on the earth's surface ?

Answers

Answer 1
Answer: g( gravitational acceleration)=-9.81 m/s^2
m(mass) = 70.0 kg

According to Newton's second law of motion:

"F=ma"

Force is equal mass per acceleration therefore

W=mg
This is because weigth is the force of gravity acting in a body and "a" is replaced by "g" because "g"
is gravitational acceleration

Therefore:

W= mg
W= (70.0 kg) (-9.81m/s^2)
W= -686.7 N

* The "N" means newton which is (kg* m/s^2)
Answer 2
Answer:

Final answer:

The gravitational force acting on a 70.0 kg object on Earth is calculated using the formula w=mg and is equal to 686 N.

Explanation:

The gravitational force acting on a 70.0 kg object standing on the earth's surface can be calculated using the formula for weight (which is essentially the gravitational force on the object): w = mg, where m is the mass of the object and g is the acceleration due to gravity. On Earth, g is approximately 9.8 m/s².

Therefore, the gravitational force (weight) acting on this object can be calculated as follows: w = mg = (70.0 kg)(9.8 m/s²) = 686 N. Thus, the gravitational force on this 70.0 kg object standing on the earth's surface is 686 Newtons. It's important to understand that this force will vary if the object is moved to a location where g is different, like on the moon.

Learn more about Gravitational Force here:

brainly.com/question/32609171

#SPJ11


Related Questions

A long jumper leaves the ground at a 30 degree angle and travels 8.50 m. What is his take off speed?
Brownian motion cannot be detected in colloids. True or false?
A 700-watt gasoline engine and a 300-watt electric motor both do 3 J of work. Which machine can do the work faster? Explain your answer.
Bumper of a stationary bumper car. The momentum of the stationary car increases. Which happens to the momentum of the moving bumper car? It decreases. It stays the same. It is converted to inertia.
Fluid pressure ____________ as depth ____________.a. decreases, increasesc. increases, increasesb. decreases, decreasesd. both b and c are correct

You drive your car for 2.0 h at 40.0 km/h then for 2.0 h at 60.0 km/h what is your average velocity?

Answers

In order to calculate velocity, we'd need to know the straight-line distance between the start and the finish, and we'd also need the direction of that line.  The best we can do with the information given in the question is calculate the average SPEED.

Average speed = (total distance covered) / (time to cover the distance).

Distance covered in the first 2 hours = (2 hr) x (40 km/hr) = 80 km.
Distance covered in the second 2 hours = (2 hr) x (60 km/hr) = 120 km.

Total distance covered = (80 + 120) = 200 km
Time to cover the distance = (2 + 2) = 4 hours

Average speed = (200 km) / (4 hours)  =  50 km/hour

How much force is needed to stop a 90-kg soccer player if he decelerates at 15 m/s^2?A. 15 N
B. 6 N
C. 135 N
D. 1,350 N

Answers

We have: F = m×a
Here, m = 90 Kg
a = 15 m/s²

Substitute their values into the expression:
F = 90 × 15
F = 1350 N

In short, Your Answer would be Option D

Hope this helps!

All life that we know of is based on carbon. Carbon's ability to form many chemical bonds is an important characteristic that allows it to form the basis of life. Identify two other elements that can probably also form a large number of bonds and that probably have similar properties to carbon.

Answers

Starch and cellulose have the same substance but different structures. They are both polysaccharides. The basic unit of a polysaccharide is the glucose. Glucose, which contains carbon, hydrogen, and oxygen, have two forms. The alpha-glucose with an alcohol group attached to carbon 1 is down and the beta-glucose with the alcohol group attached to carbon 1 is up. Starch is the alpha-glucose while cellulose is the beta-glucose. Starches are linked into a straight chain whereas the cellulose are connected like a pile of stack paper. When the human body eats starch, it can digest the starch but not the cellulose because it has no enzyme that can break it down. 

13. Sound waves can't travel through A. a solid.
B. a liquid.
C. an elastic material.
D. a vacuum.

Answers

They cannot travel through D a vacuum. They need a solid, liquid or gas to travel
D. a vacuum is the correct answer.

Because there are no particles in vacuum to transfer sound waves.

If you observed that an em wave had a wavelength of 10-12m, what sort of wave is it?

Answers

That's a radio wave at a frequency somewhere between 25 MHz and 30 MHz.

What happens to a mirror when a ray is directed at it

Answers


Nothing happens to the mirror. 

However, if the ray is within some suitable range of
wavelengths, the ray is reflected from the mirror's surface.