Question

Emmett is lifting a box vertically. Which forces are necessary for calculating the total force?

Fp, Ff, and Fg


Fp and FN
Fp, Fg, and Ff
Fp and Fg

Answer 1

Answer:

D.) Fp and Fg

Explanation:

Answer 2

Answer:

The correct answer is D) $F_{P}$ and $F_{g}$

Explanation:

From the above question,

They have given :

Emmett is lifting a box vertically. Which forces are necessary for calculating the total force?

A) $F_{P}$ , $F_{f}$ , and  $F_{g}$

B) $F_{P}$ and  $F_{n}$

C)  $F_{P}$ , $F_{g}$ and $F_{f}$

D)  $F_{P}$ and $F_{g}$

When Emmett is lifting a box vertically, the forces that must be added to calculate the total force are: the gravitational force, tension force(the force exerted by Emmett to the box and the force exerted by the box to Emmett), and air resistance force.

To calculate the total force required to lift a box vertically, we need to consider two types of forces:

The gravitational force pulling the box down towards the Earth, which is also known as the weight of the box.

The force that Emmett exerts on the box to lift it, which is known as the lifting force or the applied force.

The total force required to lift the box is the sum of these two forces, and it must be greater than the weight of the box to lift it off the ground.

The correct answer is D) $F_{P}$ and $F_{g}$

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