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1 year ago

When the formula m*g=F-Fg is used?

Physics

1 answer:

valina [46]1 year ago

3 0

The formula (ma = F - Fg) is used to determine the net upward force acting on a body.

<h3>What is net upward force acting on a body?</h3>

The net upward force acting on a body is the resultant or sum of all the upward forces acting on a body at a given time.

ma = F - Fg

where;

F is the applied force
Fg is the force of gravity
ma is the resultant force

Thus, the formula (ma = F - Fg) is used to determine the net upward force acting on a body.

Learn more about force here: brainly.com/question/12970081

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1 year ago

Cole is riding a sled with initial speed of 5 m/s from west to east. the frictional force of 50 n exists due west. the mass of t

stepan [7]

We can calculate the acceleration of Cole due to friction using Newton's second law of motion:
$F=ma$
where $F=-50 N$ is the frictional force (with a negative sign, since the force acts against the direction of motion) and m=100 kg is the mass of Cole and the sled. By rearranging the equation, we find
$a= \frac{F}{m}= \frac{-50 N}{100 kg}=-0.5 m/s^2$

Now we can use the following formula to calculate the distance covered by Cole and the sled before stopping:
$a= \frac{v_f^2-v_i^2}{2d}$
where
$v_f=0$ is the final speed of the sled
$v_i=5 m/s$ is the initial speed
$d$ is the distance covered

By rearranging the equation, we find d:
$d= \frac{v_f^2-v_i^2}{2a}= \frac{-(5 m/s)^2}{2 \cdot (-0.5 m/s^2)}=25 m$

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3 years ago

When the formula m*g=F-Fg is used?​

When the formula m*g=F-Fg is used?