The value of the force constant for the spring is most nearly (A) 0.33 N/m (B) 0.66 N/m (C) 6.6 N/m (D) 33 N/m (E) 66 N/m 4. A block of weight W is pulled along a horizontal surface at constant speed v by a force F, which acts at an angle of with the horizontal, as shown above. The normal force exerted on the block by the surface has magnitude (A) W F cos (B) WFsin (C) W (D) W + Fsin (E) W + Fcos 5. When the frictionless system shown above is accelerated by an applied force of magnitude the tension in the string between the blocks is (A) 2F (B) F (C) F (D) F (E) F 6. A push broom of mass m is pushed across a rough horizontal floor by a force of magnitude T directed at angle as shown above.
What happens? _____Mass B moves down as Mass A moves up. _______________ 3. What is the force that pulls mass B downward? ______Force of gravity ________ |Activity A: |Get the Gizmo ready: |[pic] | |
Graded Assignment Lab Report Answer the questions. When you are finished, submit this assignment to your teacher by the due date for full credit. (3 points) Write the goal of the lab or the question you tried to answer. Answer: How does viscosity change with temperature (3 points) Which observations, experiences, or lesson materials helped you form your hypothesis? Answer: The materials.
If you're going in a specific direction, you will always go in that direction unless something happens to you. 2. “The relationship between an object's mass m, its acceleration a, and the applied force F is F = ma. Acceleration and force are vectors (as indicated by their symbols being displayed in slant bold font); in this law the direction of the force vector is the same as the direction of the acceleration vector.” The second law shows that if you apply the same amount of force on two objects which have different masses, you will get different accelerations. The bigger the mass of an object, the less effect the force applied has on it.
e always obtainedan unreasonable value of height that's why we keep on repeating the trial. -o minimie sucherror, the experimenter pulling the spring balance must ensure that the force exerted is horiontalto ensure low percentage error. Conclusion: ork is defined mathematically by the dot product of the vector 5orce F anddisplacement. &lso, /ower is defined as the ratio of work and time. In part 1 of the experiment,the data obtained can show that ork is somehow related to /ower.
Oscillations of a Mass - Spring System Determination of “K” by the use of a Spring Oscillations System Experiment #3 for AMS320 involves a spring oscillating system to determine the value of “K”, the force value of an oscillating spring system. The spring is secured to a solid point and allowed to hang vertically below the solid stand. On the bottom of the spring is attached a steel ring with in which to attach a known amount of weight in (kg). The weights are added to the ring and the spring is pulled into a small amount of tension and released. The spring will then oscillate up and down and a stopwatch will be used to measure the amount of time it takes the weight and spring system to stretch and recoil ten times.
Usually the experimenter adjusts the direction of the three forces, makes measurements of the amount of force in each direction, and determines the vector sum of three forces. Forces perpendicular to the plane of the force board are typically ignored in the analysis. In order to complete this lab we used a force table, accessories, level,standard weights. And weight hangers. In order to complete the first lab we had to level the table and connect the rings to the pulleys.
Newton’s Second Law Lab Purpose: The purpose of this experiment was to determine the relationships between mass, force and acceleration as well as to prove Newton’s second law Hypothesis: It was hypothesized that there would be an inverse relationship between acceleration and mass; as the value of the mass increased the acceleration decreased. As well it is hypothesized that there would be a direct relationship between the net force and acceleration; as the net force increases the acceleration increases as well. Materials & Method: The materials that were required to do the experiment were a metre stick; its purpose was to measure the amount of string that is going to be used to drag the cart. Next equipment needed for the lab was a dynamic cart; it was going to be dragged by the string with a mass on the other end and will find relationships between these two. Also string (about 75cm) was needed in this experiment which would help pull the cart with the help of the masses that were used.
The more mass taken away, the quicker it will vibrate. Theory: Oscillation is a way of returning a system to its equilibrium position, the stable position where there is no net force acting on it. Once a system is thrown off balance, it does not return to is original state; it oscillates back and forth about the equilibrium position. The movement of an oscillating body is called harmonic motion. The oscillating motion of a spring is caused by the stretching or compression of it.
(in.) 0.3120 +0.005 0.3615 +0.005 0.5505 +0.005 Reduction of area (%) 45.74+0.1 58.63+0.1 48.25+0.1 1 Purpose: The purpose of this experiment is to extract data on the material properties of three “505” specimens (SAE 2011-T-3 aluminum, 1081 hot rolled steel, and PVC plastic), using a mechanically driven universal testing machine (UTM). These material properties include the following: the elastic modulus, 0.2% offset yield strength, ultimate tensile strength, modulus of rupture, modulus of resilience, as well as true strain and true stress at the point of rupture. Theory: Certain materials (those that are linear, homogeneous, elastic, and