A shopper pushes a 7.32 kg grocery cartwith a 14.7 N force directed at
-32.7° below the horizontal.
What is the normal force on the cart?
Answers
Answer:
The "normal force" on the "cart" 63.893 N.
Explanation:
To find normal force on the cart, use the equation
Normal force = mg + F sinx,
“m” being the object's mass,
“g” being the acceleration of gravity,
“x” being the angle of the cart
Given values
M = 7.33 kg
F = 14.7 N
Substitute the values in above equation
Normal force = (7.33 × 9.8) + 14.7 sin(-32.7°)
Normal force = 71.834 + 14.7 × (-0.5402)
Normal force = 71.834 - 7.94094
Normal force = 63.893 N
The "normal force" on "the cart" 63.893 N.
The normal force on the cart is 79.7 N
Explanation:
In order to find the normal force, we have to analyze the forces acting on the cart on the vertical direction.
In the vertical direction, we have the following forces:
The weight of the cart, downward, of magnitude , where m is the mass of the cart and g is the acceleration of gravity
The normal force on the cart, upward, we indicate it with N
The component of the pushing force acting in the vertical direction, downward, of magnitude , where F is the magnitude of the force and is the angle of the force with the horizontal
Therefore, the equation of the forces on the cart in the vertical direction is:
where the net force is zero since the cart is balanced in the vertical direction. We have:
We take the angle as positive since we are already considering the downward direction in the equation.
Substituting and solving for N, we find the normal force:
Learn more about forces:
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Answers
Let's get started:
1. a rusting bicycle
This is NOT a physical change because a new substance is formed.
3Fe+ 2O2 -> Fe3O4
2. breaking glass
This is a physical change.
3. melting butter
This is a physical change.
You just change the phase of butter from solid to liquid, but still there is no new substance formed.
4. burning leaves
When you burn something organic, CO2 will be formed.
Therefore, this is NOT a physical change.
5. cutting your hair
This is a physical change.
6. frying an egg
When you fry an egg, iron (Fe) in the yolk reacts with hydrogen sulfide (H2S) in the white to form iron sulfide (FeS).
Therefore, this is NOT a physical change.
7. water evaporating
With the same reason as 3, this is a physical change.
8. mixing salt and water
This is a physical change (with the same reason as 3).
NaCl (s)+ H2O -> NaCl (aq)
Hope this helps~
Answer:-
- breaking glass
- melting butter
- cutting your hair
- water evaporating.
- mixing salt and water
Answers
-Brainly support team (Klara academic DEPT.)Spam words mean team is having trouble determining the question CONTACT For support.
Answer:
2000 Joules
Explanation:
Answers
Number of batteries on a scale of 1 to 10
1 very dim
2 1
3 1 and 1/2
4 6
5 10 for a second, then
the bulb burned out
and changed to zero.
Answers
Answers
Answer:
milk
Explanation:
it is not a pure substance
milk does is a colloid
oxygen is an element and H20 and CO2 are compounds so they are pure
1 Newton
. 10 Newtons
Answers
Answer:
30 newtons
Explanation: