# An object, initially at rest, is pushed across a friction-less floor with a constant force for a...

## Question:

An object, initially at rest, is pushed across a friction-less floor with a constant force for a time interval {eq}\Delta {/eq}t, resulting in a final speed of v for the object.

The experiment is repeated but with a force that is five times the original force.

What is the required time interval now to reach the same final speed v?

## Force:

An object in rest is acted upon a uniform, which results in the motion of the object and finally reaches velocity within a time interval. If the amount of force exerted is increased, keeping all constant time required will decrease.

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The expression of the force applied on the object

{eq}\begin{align*} F &= m \times a\\ & = m \times \frac{{v - u}}{t} \end{align*}{/eq}

But u=0

...

Force: Definition and Types

from

Chapter 5 / Lesson 5
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Force is everywhere and it comes in a variety of sizes, directions, and types. In this video lesson, you'll identify force as well the different types of force that objects may experience.