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Force Essays

The Breaking Force of Hair Lab

Data Processing and Presentation Table #1: Mean and Standard Deviation of Blow Dried Hair and Non-Blow Dried Hair Data Type of Hair Mean (N � 0.01 N) Standard Deviation (N) Non-Blow Dried Hair Force 2.08 � 0.68 Blow Dried Hair Force 1.70  0.83 Note: Microsoft Excel 2007 was used to …

Force of Friction

1. Objective 1. To study the effects of the normal reaction and surface area on the force of friction using a block. 2. To estimate and compare the coefficients of static and kinetic friction of different materials. 2. Apparatus * Wooden block (190.0 g) 3 * Elastic strings * Wooden …

Solenoid Investigation

“The moment of a (turning) force about a given pivot is defined as follows. Moment of a force = force x perpendicular distance from the pivot to the line of action of the force. The unit of moment is the Newton metre (Nm).”1 Also, “The principle of moments states that …

Centripetal Force of a Rubber Bung

Aim : To get any object to move in a circle you have to apply a force to it. Methods : With your experiment you don’t mention anything about controlling or measuring the force. All you have measured is the (average) period of the object moving in a circle. From …

Sample Question Papers

The question paper comprises of two sections, A and B. You are to attempt both the sections. i) All questions are compulsory. ii) There is no overall choice. However, internal choice has been provided in all the five questions of five marks category. Only one option in such questions is …

The Different Rides in an Amusement Park by John Joseph B. Reyes

Imagine spinning a ball on a string around you. The ball is traveling in a circular path. But Newton’s first law states that an object in motion stays in motion and that motion is in a straight path, not a circular path. Since the ball is traveling in a circular …

Teenagers and Unpaid Work

Should teenagers be required to do unpaid work Many young people work on a volunteer basis, and this can only be beneficial for both the individual and society as a whole. However, I do not agree that we should therefore force all teenagers to do unpaid work. Most young people …

Shaolin Soccer Physics Analysis

In this scene, the soccer ball was kicked by a player with a tremendous force. The Lightning hand Goalie (Forth Brother) stops the ball, but fly back because of the reaction force.This scene is an example of bad physics because it is unrealistic that a human can actually take off/fly …

Force and Initial Velocity

1. A car speeds up from 40 km/h to 55 km/h to overtake a truck. If this requires 15 s, what is the (a) acceleration and (b) distance traveled by the car? 2. Albert is riding his scooter at a velocity of 80 km/h when he sees an old woman …

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