完整实验 – 力学

Objective: Confirm the conservation of energy with the help of Maxwell’s wheel Maxwell’s wheel is suspended from threads at both ends of its axle in such a way that it can roll along the threads. In the course of its motion, ... 更多

Objective: Confirm the conservation of energy with the help of Maxwell’s wheel Maxwell’s wheel is suspended from threads at both ends of its axle in such a way that it can roll along the threads. In the course of its motion, potential energy ... 更多

Objective: Experimental investigation of precession and nutation of a gyroscope and determination of moment of inertia A spinning disc exhibits motions known as precession and nutation in addition to its rotational motion, depending on whether ... 更多

Objective: Measuring the period of oscillation of a string pendulum with bobs of various masses. The period of oscillation T for a string pendulum is dependent on the length of the pendulum L, but does not depend on the mass of the bob m ... 更多

Objective: Description of elliptical oscillations of a string pendulum as the superimposition of two components perpendicular to one another Depending on the initial conditions, a suitable suspended string pendulum will oscillate in such ... 更多

Objective: Measure the period of an oscillating pendulum as a function of the effective component of the gravitational acceleration The period of a pendulum is lengthened by tilting its axis away from the horizontal, since the effective ... 更多

Objective: Work out the local acceleration due to gravity with the help of a reversible pendulum A reversible pendulum is a special design of a normal physical pendulum. It is able to swing from either of two mounting points and can be set ... 更多

Objective: Demonstrate the rotation of the earth with a Foucault pendulumA Foucault pendulum is a long string pendulum with a heavy bob, which can be used to demonstrate the rotation of the earth. In this experiment, a pendulum 1.2 metres ... 更多

Measure the oscillations of a coil spring pendulum using an ultrasonic motion sensor The oscillations of a coil spring pendulum are a classic example of simple harmonic oscillation. In this experiment, those oscillations are recorded by ... 更多

Objective: Measurement and analysis of simple harmonic rotary oscillation Pohl’s wheel or rotating (torsional) pendulum allows for the investigation of simple harmonic rotary oscillation. The only forces acting on the wheel are the restoring ... 更多

Objective: Measurement and analysis of forced harmonic rotary oscillation Pohl’s wheel or rotating (torsional) pendulum allows for the investigation of forced harmonic rotary oscillation. For this purpose, the oscillating system is connected ... 更多

Objective: Record and evaluate oscillation of two identical coupled pendulums The oscillation of two identical, coupled pendulums is distinguished by the period of oscillation and the beat period. The beat period is the interval between ... 更多

Objective: Investigate standing waves along a stretched coil spring and a taut ropeSome examples of where mechanical waves arise include a stretched coil spring, where the waves are longitudinal, or a taut rope where the waves are transverse ... 更多

Chladni figures-making sound visible   The Chladni figures are named after the German scientist Ernst Florens Friedrich Chladni (1756-1827). Chladni excited the normal modes of thin metal plates covered with sand by stroking ... 更多

Sound waves propagate longitudinally in gases. The group velocity here is equal to the phase velocity. In this experiment, we will measure the propagation time of a sound pulse between two microphone probes in Kundt’s tube ... 更多

Sound waves propagate in gases in the form of longitudinal waves. The overall velocity is equivalent to the phase velocity. In this experiment a standing wave is generated inside Kundt’s tube with both ends closed off. The ... 更多

The equipment set consists of test rods of various lengths, made of different materials, two microphone probes, a microphone box for recording and amplifying signals and outputting them to an oscilloscope along with three mats. ... 更多

Objective: Determine the dynamic viscosity of an aqueous solution of glycerine Dynamic viscosity, the coefficient of proportionality between velocity gradient and sheer stress in a liquid, characterises how difficult it is for an object ... 更多

Objective: Determine the dynamic viscosity of an aqueous solution of glycerine Dynamic viscosity, the coefficient of proportionality between velocity gradient and sheer stress in a liquid, characterises how difficult it is for an object ... 更多

Objective: Measure the surface tension by the “breakaway” method To determine the surface tension of a liquid, a blade is immersed horizontally in the liquid and is slowly pulled out upwards while measuring the pulling force ... 更多

A flat, level beam’s resistance to deformation in the form of bending by an external force can be calculated mathematically if the degree of deformation is much smaller than the length of the beam. The deformation is proportional ... 更多

目的：扭转系数和剪切模量的测定 为了使固体变形，需要施加外力。这违背了身体自身的变形抗力，这取决于身体的材料，以及它的几何形状和所施加的力的方向。只要力不是太大，变形是可逆的，与作用力成正比。经常研究的一个例子是扭转施加到一个均匀的圆柱杆，这是固定在一端。杆的变形的电阻，可以数值分析和确定通过建立一个设置，它是能够振荡涉及杆本身和一个摆盘，然后测量周期的振荡。 更多

Objective: Investigate uni-dimensional collisions on an air track One important consequence of Newton’s third law is the conservation of momentum in collisions between two bodies. One way of verifying this is to investigate collisions ... 更多

Objective: Determine the acceleration of a falling object. In free fall the distance fallen h is proportional to the square of the time t taken to fall that distance. The coefficient of that proportionality can be used to calculate the acceleration ... 更多

Objective: Confirm Newton’s equation of motionFor a body that rotates about a fixed axis with uniform acceleration, the angle of rotation φ increases in proportion to the square of the time t. From this proportionality factor it is possible ... 更多