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Temka [501]
3 years ago
8

If the net force on an object is zero then the object has

Physics
1 answer:
Pavlova-9 [17]3 years ago
6 0

Answer:

<em>If the net force is zero, then the body has an acceleration = 0 m/s²</em>

Explanation:

<em>Force: </em>This is defined as the product of mass of a body and its acceleration. Force is a vector quantity because it can be represented both in magnitude and in direction. The S.I unit of force is<em> Newton (N).</em>

<em>Net Force: </em><em>This is the vector sum of all the the forces acting on a body.</em>

<em>Forces acting in the same direction are added while those acting in opposite directions are subtracted.</em>

<em>Example, if two forces F₁ and F₂ act on a body, in opposite direction, The net force F₃ is express below</em>

<em>F₃ = ma = F₁ - F₂ in the direction of F₁</em>

<em>From the example above, If the net force is zero, then the body has an acceleration = 0 m/s²</em>

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2. A 50 kg diver is standing on the edge of a 15 m high cliff. What is his potential energy?
Lera25 [3.4K]

Answer:

3675 J

Explanation:

Gravitational Potential Energy = \frac{1}{2} × mass × g × height

( g is the gravitation field strength )

Mass = 50 kg

G = 9.8 N/kg ( this is always the same )

Height = 15 m

Gravitational Potential Energy = \frac{1}{2} × 50 ×9.8 × 15

= 3675 J

3 0
3 years ago
The weight of a person is 500N and his foot imprint area is 0.5m^2.Calculate the total pressure exerted by person when he stands
Ghella [55]

Answer:

Pressure on both feet will be 500N/m^2  

Explanation:

Weight of the person F = 500 N

Area of foot print A=0.5m^2

Area of both the foot A=2\times 0.5=1m^2

We have to find pressure on both the feet

Pressure is equal to ratio of force and area

So pressure P=\frac{F}{A}

P=\frac{500}{1}=500N/m^2

So the pressure on both feet will be 500N/m^2 when person stands on both feet.

7 0
3 years ago
What type of image results when the object is located between 2f (2 focal lengths) and f (the focal point) of a convex lens?
VikaD [51]

Answer:

C

Explanation:

the image formed is real but inverted and magnified

you can remember it by R I M

hope this helps

4 0
3 years ago
;-; please help me....​
sineoko [7]
The answer is 24N. Since the body is moving with constant velocity all the forces must balance (equal & opposite)
5 0
3 years ago
Which of the following is a theory stating that one plate is forced beneath another plate?
morpeh [17]

Answer:

theroy of plate tectonics

7 0
3 years ago
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