Answer:
F = 33.12 N
Explanation:
given,
first force = 15 N is oriented at 58.0° counterclockwise
second force = (−19.0 N,18.5 N)
x-component of first force = 15 cos 58.0° = 7.95 N
y-component of second force = 15 sin 58.0° = 12.72 N
second component
now,
F netx = 7.95 - 19 = -11.05 N
F nety = 12.72 + 18.5 = 31.22 N
F = 33.12 N
θ = -70.51°
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An equation showing the relationship between the THREE forces is R -W +F= 0
<h3>What is moment of force?</h3>
The equal and opposite force acting at a point from the axis of rotation is called the moment of force.
M = F x r
Given is a wheelbarrow and stones with a total mass of 43 kg. The wheelbarrow is in equilibrium with two of the three forces acting on it
Taking moment about the wheel, we get
-43x 9.81 x 0.6 + F x 1.5 =0
F = 43 x 0.6/1.5
F = 168.732 N (upward force)
Summation of forces in y direction is zero.
R -W +F= 0
Where, R is the normal force, W is the Weight force and F is the applied force.
Thus, this is the equation representing all the three forces acting on wheelbarrow.
Learn more about moment of force.
brainly.com/question/6278006
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Answer:
time required to mow lawn is 1274.06 minutes
Explanation:
given data
average mow = 1400 square meters each hour
area = 320000 square feet
to find out
How many minutes will take to mow lawn
solution
we know that here 1 square feet is equal to 0.092903 square meter
so 320000 square feet will be = 0.09203 × 320000 = 29728.9728 square meter
so time required is express as
time required = 
time required = 
time required = 21.23 hours
so time required = 21.23 × 60 min = 1274.06
time required to mow lawn is 1274.06 minutes
Answer:
I don't know the exact answer but I think this is it.
The independent variable is the variable the experimenter changes or controls and is assumed to have a direct effect on the dependent variable. The dependent variable is the variable being tested and measured in an experiment, and is 'dependent' on the independent variable.
