1.It is the upward force exerted by the ground that pushes you up, but this force can never exceed your weight.
2) You are able to spring up because the earth exerts a force upward on you that is stronger than the downward force you exert on the earth.
3) When you push down on the earth with a force greater than your weight, the earth will push back with the same magnitude force and thus propel you into the air.
4) When you jump up the earth exerts a force F1 on you and you exert a force F2 on the earth. You go up because F1 > F2.
<span>5) Since the ground is stationary, it cannot exert the upward force necessary to propel you into the air. Instead, it is the internal forces of your muscles acting on your body itself that propels the body into the air.</span>
Answer:
La deformación unitaria lineal experimentada por la barra es 
.
Explanation:
De la Mecánica de Materiales sabemos que la deformación unitaria lineal es la razón de la variación de la longitud con respecto a su longitud inicial. Al asumirse que la variación longitudinal es muy pequeña con respecto a la longitud inicial, se puede utilizar la siguiente ecuación:
(Eq. 1)
Donde:
- Deformación unitaria, adimensional.
- Cambio longitudinal, medido en metros.
- Longitud inicial, medida en metros.
Si conocemos que 
y 
, entonces la deformación unitaria lineal es:
La deformación unitaria lineal experimentada por la barra es .
If this is an English Question list the terms so we can pick from those. Otherwise we dont have the correct terms to answer the question
Answer:
Look at the attachment to see the work. It should be attached right below this, but if it's not, please let me know.
Explanation:
(I've never attached anything before so I'd like to know if it worked)
200n because it's 2×5=10so maybe try solving the problem like that ok does that help
