Name: Siena Forest Hills High School Physics Date: 12-z Newton's Second Law Lab Introduction: Consider a cart on a low-friction track as shown below. A light string is attached to the cart and passes over a pulley at the end of the track and a second mass is attached to the end of this string. The weight of the hanging mass provides tension in the string, which helps to accelerate the cart along the track. A small frictional force will resist this motion. We assume that the string is massless (or of negligible mass) and there is no friction between the string and the pulley. Therefore the tension in the string will be the same at all points along the string. This results in both masses having the same magnitude of acceleration but the direction of the acceleration will be different. The cart will accelerate to the right while hanging mass will accelerate in the downward direction as shown below. cart Hanging mass Using Newton's second law, the acceleration of both masses can be expressed by the following equation: (1) a= F/M where F is the weight of the hanging mass and M is the total mass of the system (the sum of the mass of the cart and hanging mass) Objective: The objective of this experiment is to verify the validity of Newton's second law, which states that the net force acting on an object is directly proportional to its acceleration. Eq. (1) was derived on the basis of this law. Therefore we can consider Eq. (1) to be a prediction of the second law. In this experiment we will seek to verify this specific prediction and thereby provide evidence for the validity of the second law. Equipment: Wooden boards with pulley, cart, string, balances, assorted masses, weight hanger.
Name: Siena Forest Hills High School Physics Date: 12-z Newton's Second Law Lab Introduction: Consider a cart on a low-friction track as shown below. A light string is attached to the cart and passes over a pulley at the end of the track and a second mass is attached to the end of this string. The weight of the hanging mass provides tension in the string, which helps to accelerate the cart along the track. A small frictional force will resist this motion. We assume that the string is massless (or of negligible mass) and there is no friction between the string and the pulley. Therefore the tension in the string will be the same at all points along the string. This results in both masses having the same magnitude of acceleration but the direction of the acceleration will be different. The cart will accelerate to the right while hanging mass will accelerate in the downward direction as shown below. cart Hanging mass Using Newton's second law, the acceleration of both masses can be expressed by the following equation: (1) a= F/M where F is the weight of the hanging mass and M is the total mass of the system (the sum of the mass of the cart and hanging mass) Objective: The objective of this experiment is to verify the validity of Newton's second law, which states that the net force acting on an object is directly proportional to its acceleration. Eq. (1) was derived on the basis of this law. Therefore we can consider Eq. (1) to be a prediction of the second law. In this experiment we will seek to verify this specific prediction and thereby provide evidence for the validity of the second law. Equipment: Wooden boards with pulley, cart, string, balances, assorted masses, weight hanger.
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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