... the plastic bag 3) Punch four holes with the pair of scissors through around the rim of one of the Styrofoam cup, vaguely in four "corners" 4) With scissors, cut four pieces of white string from the roll in the same length ...

... ?=v/r. -Radius of torque application. The radius from the centre of rotation to the rim which the force was applied to was varied between three values, 0.0153m, 0.0252m, and 0.0352m. These values are used calculate torque ?=Fr -Force The force applied was varied by ...

... seated securely and safely, they are lifted slowly to the top of the tower and then held there whilst a countdown begins. Their legs are dangling freely and they have no sense of control. The reason they are held at ...

... terminal velocity, and would only accelerate over a short distance before air resistance equals its weight. A denser object like a steel ball bearing, would have a high terminal velocity and would fall a considerable distance with a constant velocity ...

... surface, the angle of the surface and the speed at which you will pull it. Air friction is another possible variable that could be considered but air friction at this sort of speed is not important. The surface area ...

... except for when the angle was zero and then this was quite obviously the easiest position to hold the dumbbell. Then I began to think about what the muscles are doing when my arm is at the different positions decided ...

... we are trying to measure. The experiment will be repeated a further 5 times with different weights placed on the block of wood. (200g, 400g, 600g, 800g and 1000g.) F ...

... decrease and stop as it reaches the top of the swing, before then returning to the bottom of the period and continuing in its swing. The unbalanced forces acting on the pendulum cause the movement and consequent oscillation in ...

... the cake cup falling, this is because different people have different reactions. We will keep the same sized cake cups, as a different surface areas would lead to wrong results ( I will presume that the cake cups I use ...

... keep the same sized cake cups, as a different surface areas would lead to wrong results (I will presume that the cake cups I use will weigh the same). When doing the experiment I will make sure there is nothing ...

... to do the experiment but we made sure that we did the experiment in the same place throughout. We recorded our results on a book and put it on to a table. Fair test The variables we didn't change in order to ...

... which can be expressed as the weight of the object. In an equation for weight the weight can be defined as (W) which can be equal to the mass (m) of the object times the gravitational acceleration (g), (which is ...

... off, breaking my concentration. What if...? It was racing with thoughts of uncertainties, fear and doubt. Winning was not a problem, it was making a mark in today's event that was the challenge. If I were to just simply run ...

... in common. They are stiff bodies with concentrations of mass up their length. ie.at the floor levels where beams are attached to the columns. They columns in buildings can be looked at as being very stiff pendulums. This idea is ...

... us to the equation for acceleration of a simple pendulum bob a = -g/L x. These two formulae then give us the formula for a period, this is Where L = length of string from pivot to bob g = ...

... a certain type of energy being converted into another type. When the trolley is raised to the top of the ramp, it gains a certain amount of potential energy - this is converted into kinetic (movement) energy as the trolley ...

... saying GPE lost causes a gain in KE. Ultimately, the greater the height dropped the greater the velocity it has when leaving the ramp and consequently greater the range. With this theory, we can confidently say that changing the gradient ...

... going down (every five dots is 1/10 of a second.) Method using an airtrack * Collect all the apparatus and set it up * Check the distance between light gate A and B * Then weight the vehicle in mass * Then measure the longest ...

... weight an object has, it falls at the same acceleration, and lands on the ground at the same time. On the moon a feather and a golf ball were dropped at the same time, they both hit the surface of ...

... out, giving no overall force. In the last case it could be said that the forces are 'balanced'. If there is no force acting, or if all the forces acting on an object are balanced, then there will be no ...

... motion. The centripetal force is the force needed to move an object in a circle at constant speed. * The smaller the mass, the bigger the centripetal force. The smaller the velocity of the object, the less centripetal force you will ...

... Celsius) height of ball after one bounce (cm) height the ball is dropped from (cm) 0 10.0 100 10 37.5 100 20 54.3 100 30 64.5 100 40 70.5 100 50 74.3 100 60 76.5 100 70 78.0 100 80 78.8 100 90 79.3 100 100 79.5 100 From this we can clearly see that when the ball is dropped from 100cm, the ball that had the highest temperature (100 degrees Celsius) bounced highest (79.5cm). dropping ball ...

... at the top of its swing as it is here that the body on the end of the string has the potential to fall. It increases momentum all the time that it is moving. The force gravity pulls the body ...

... attach the effort to the other. The effort force could be measured with a Newton metre so we are going to use a counter balance masses instead. 5. Record the force needed to lift the load by 0.1m. Repeat the above experiment ...

... cool the water to zero degrees. The range in which the measurements will be taking will be measured every 10 degrees. This is a good range and will allow 11 measurements to be taken (100°C - 0°C). The temperature will be measured ...