• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

physics lab report. Aim To determine the coefficient of static friction (μs) between a wooden block and a granite plane

Extracts from this document...

Introduction

Aim

To determine the coefficient of static friction (μs) between a wooden block and a granite plane.

Data Collection

Table (1): hanging mass needed to move the (wooden block + masses).

Trial

Mass of wooden block + masses (M1) (g)

(±0.05g)

Mass of hanging masses (M2) (g)

(±0.05g)

1

357.60

152.60

2

560.00

202.90

3

761.80

304.40

4

964.20

385.80

Data Processing and Presentation

  1.        Coefficient of static friction (μs)

...read more.

Middle

image06.pngimage06.pngimage06.png

image07.png

image09.png                        Weight                                Tension (T)

image10.png

image11.pngimage12.png                        Hanging masses

                                                Weight (W2)

Figure (1): the setup of the experiment and the free body diagrams of the hanging masses and the (wooden block + masses)

Variables

M1: mass of wooden block + masses                                

M2: mass of hanging masses

N: normal force

fr: frictional force

W1: weight of wooden block + masses

W2: weight of hanging masses

Constants

g: acceleration due to gravity

μs: coefficient of static friction

At the instant of motion:

                                            Frictional force (fr) = Weight(W2)

                                                                       fr  =  W2(substitute fr = μs* N)

                                                               (μs) (N) = (M2) (g)         (substitute N=W1)

                                                            (μs) (W1)

...read more.

Conclusion

  1. Placing a photogate connected to a lamp or bell exactly in front of the (block + masses). When the block moves, however slightly, the lamp would light up or the bell would start ringing to indicate the motion of the (block + masses).
  1. Making sure the scale of the balance is always viewed at a right angle to avoid parallax error.
  1. Conducting more trials and taking the average result in order to minimize the affects of random error.

...read more.

This student written piece of work is one of many that can be found in our International Baccalaureate Physics section.

Found what you're looking for?

  • Start learning 29% faster today
  • 150,000+ documents available
  • Just £6.99 a month

Not the one? Search for your essay title...
  • Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

See related essaysSee related essays

Related International Baccalaureate Physics essays

  1. Motion of the trolley on the inclined plane

    ?t[s] v [cms-1] a[cms-2]= ?v/ ?t ?a [cms-2] 1 0.62�0.05 24.19 39.02 1.00 2 0.34�0.05 44.12 58.60 0.60 3 0.30�0.05 50.00 19.61 0.30 4 0.27�0.05 55.56 20.58 0.30 5 0.25�0.05 60.00 17.78 0.30 6 0.24�0.05 62.50 10.42 0.20 Rounded to 2 decimal place ?a=(amax-amin)/2 ?v =(Vmax-Vmin)/2 ?a=(58.60-10.24)/2 ?v=(62.50-24.19)/2 ?a=24.18 ?v=19.55 Graph 1: s(t).

  2. Simple Harmonic Motion Physics HL Lab Report

    of a protractor as 4 degrees * Markings were made on the string with the help of a metre rule and a pen and 50cm, 40cm, 30cm, 20cm and 10cm were marked with the bob attached to it. * After taking several readings for each string length marked for increased

  1. Centripetal Force

    From the table and graph I can state that as frequency increases, centripetal force will also increase. The relationship between the frequencies squared is linear with the centripetal force (direct variation). From the theory that stated The centripetal force of an object of mass (m)

  2. Physics lab - Cantilever Beam

    0.0210526315789474 Relative error of b: 0.02 � 0.28 = 0.0714285714285714 Sum of Relative errors: 0.0210526315789474 + 0.0714285714285714 = 0.0924812030075188 Absolute Uncertainty: 0.0924812030075188 � 3.392857 = � 0.313 � � 0.3 Final Answer: 3.4 � 0.3 (gradient) Hence, is equal to 3.4 � 0.3 Y-intercept will be equal to ln()

  1. Determination of Coefficient of Friction

    x weight of one weight -> Normal force = 0.60 + 1n, where n is the number of weights added. When I added 0 weights, normal force = 0.60 N; When I added 1 weight, normal force = 1.60 N; When I added 2 weights, normal force = 2.60 N;

  2. HL Physics Revision Notes

    to support distance between particles and is overcome by the attraction force between them. Kinetic energy changes form from vibrational, rotational and part translational to merely vibrational. Potential energy decreases. ? While evaporating, certain particles in the liquid gain enough potential energy to escape the intermolecular bonds as a gas.

  1. Physics Lab: Images formed by a plane mirror

    Physics Lab: Images formed by a Converging Lens Cherno Okafor Mr. Ebrahimi SPH4U7 December 28th, 2012 Data Collection and Processing Initially, I held a converging lens in a dark part of the room allowing light from a distant object to pass through it and onto the screen.

  2. Volume and Mass. Hypothesis: Two unidentified wooden blocks of approximately the same ...

    Ruler that measures to the nearest 0.05 cm ? Scale that measures to the nearest 0.01 g (Dial-o-gram) Method: 1. Obtain two sample wooden blocks of approximately the same size. 2. Measure the length, width and height of each block using a ruler that measures to the nearest 0.05 cm. Record results. 3. Repeat step four, two times. 4.

  • Over 160,000 pieces
    of student written work
  • Annotated by
    experienced teachers
  • Ideas and feedback to
    improve your own work