In which position would an object have a greater amount of potential energy
2 answers:
Answer:
At the maximum height
Explanation:
The gravitational potential energy of an object is the energy possessed by the object due to its position in the gravitational field.
Mathematically, it is given by:
where
m is the mass of the object
g is the acceleration due to gravity
h is the height of the object relative to the ground
From the formula, we see that the potential energy is directly proportional to the height of the object above the ground: therefore, the larger the value of h, the larger the potential energy of the object.
Therefore, the object has the maximum potential energy when it is at the highest position above the ground.
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Answer:
The frictional force needed to overcome the cart is 4.83N
Explanation:
The frictional force can be obtained using the following formula:
where is the coefficient of friction = 0.02
R = Normal reaction of the load = =
=
Now that we have the necessary parameters that we can place into the equation, we can now go ahead and make our substitutions, to get the value of F.
F = 4.83 N
Hence, the frictional force needed to overcome the cart is 4.83N