Experiment 201 Work Energy And Power Essay

4.) Have one person reading the ammeter, one person timing the weights reaching the top of the motor, and the

Procedure: Using distilled water, premeasured containers and objects determine displacement of fluids and density of objects. Use ice and heat measure temperatures in Celsius, Fahrenheit and Kelvin.

The law, conservation of energy states that the total amount of energy within a system remains constant at all times, although energy within the system can be changed from one form to another. Energy cannot be created or destroyed, but it can be transformed. The law of conservation of energy states that when energy is being used, it’s not being used up instead it’s being transformed from

We can derive our equation from the equation of centripetal force by doing the following;

After collecting data and analyzing the results the group concluded that tension will always be greater than mass for uniform constant motion due to the presence of θ. As the length of the string for the flying toy increased, θ decreased in both trials for the cow and bat. For instance, when the bat had a length of 0.86m, the calculated θ was 34.4°, but when the length was shortened to 0.61m, the θ increased to 36.5°. The period was also shortened when the length decreased; therefore, velocity decreased as string length increased while acceleration increased with a

Students will carefully observe acts of aggression and prosocial behavior on television, report their observations, and analyze their data to draw conclusions.

The Law of Conservation of Energy, derived from centuries of observation and measurement, indicates that energy cannot be created or destroyed. But energy need not stay in one place. Energy can be converted from one form to another and can be created in one place and show up in another. Remember that energy, in an open system, can do work on the surroundings or supply heat to the surroundings.�

5. Tie one end of the 60-cm string to the mass. Place the mass on a table below

C. An unknown, rectangular substance measures 3.6 cm high, 4.21 cm long, and 1.17 cm wide.

When mass is added to the propeller car the average speed and acceleration(a vehicle's capacity to gain speed within a short time) begins to decrease because of the amount of gravity and friction acting upon the object. All the iterations done were within 500 centimeters of distance and different amounts of weight were added to the car each trial. The mass increased while the speed decreased. When we had 0 grams placed on our vehicle it traveled at an average of 4.56 seconds, when 50 grams were added to the vehicle it slowed down having a average of 5.57 seconds, on the last trial 100 grams were added on the vehicle it took 5.73 seconds to cross the finish line. The way I graphed those data points was by putting the average time to travel 5m(s)

0.001 m. Furthermore, L represents the distance to the center of mass of the pendulum. L was measured as the distance from the top of the string to the center of the pendulum mass. The string’s mass was considered negligible in calculations for L, but because it had a small mass, the center of mass was not exactly at the center of the pendulum weight. This added additional measurement errors and inaccuracies in the calculations for finding g. Air resistance, which is affected by surface area, drag, and velocity, was not accounted for in the calculations.

Step 9: Because we measured the lengths in centimeters rather than meters, we need to calculate are ‘g’ value into m/s2 so we can compare it to the SI unit for acceleration due to gravity. (Eg. 981.4/100 = 9.81 m/s2)

As a result of trail and error method we find the angle for the third pulley and the mass that should had be suspended from it. This will balance the forces deployed on the strings due to the other two masses. While the third force is defined as the equilibrant (������⃗������) Since it is the force that establishes the equilibrium. It is also the negative of the resultant -������⃗������ = ������⃗������ = ������⃗ ������ + ������⃗������. We gathered and recorded the mass and the angle required for the third pulley to enable to put the system into the equilibrium in table 1.

Table 1 & 2: First, find the mass of the wooden block and record the data. Then place the wooden block on the inclined plane (at 0o) with the wide side down. The height of the pulley should be the same height as the screw location on the wooden block. Then hang a weight on the opposite side of the hanger and add weights until block starts to move with a constant velocity (push block to overcome fs¬). Then record the resulted weight of the hanger in Table 1 (as F). Add 500 g to the wooden block and repeat the process. Replace 500 g with 1 kg on the wooden block. Repeat the process described above.

Gottfried Leibniz first coined the term energy from the concept vis viva to refer to the square totality of an object’s mass and its speed, where total vis viva is stored. Energy is