Physics | Forces A B


A. Falling Bodies Apparatus C D


L-section launcher with holes for locating two 19 mm diameter steel balls which act as projectiles. The launcher is released by a push button and projects one ball forward while allowing the other to fall freely. Launching mechanism mounted on wooden block 180 x 60 x 30 mm which may be clamped by the bench and has a convenient storage pocket for the balls, complete with two steel balls.


CP00052014 B. Fast Timer


The Fast Timer is a versatile, portable instrument for timing brief events with 2 ranges: 1 to 999.9ms and 1 to 9999µs. The inputs can be controlled by light gates, microphones or mechanical switches, connected via 4mm sockets. 2 sockets provide 0 and


5V for connection to sensors if required. The usual care is needed when using microphones to ensure that a repeatable sharp edge is obtained, e.g. use a toffee hammer and steel slab to produce a sharp noise when measuring the speed of sound.


Mass: 0.5kg. Size: 170 x 135 x 45mm.


E8H28573 C. g’ by Free Fall Apparatus


To determine the value of ‘g’ by timing the fall of a steel ball. The release unit consists of a plate 90 x 45 x 3mm carrying a pair of metal clips connected to 4mm sockets. The clips are opened, thus dropping the ball and breaking the contact between the clips. The trip unit is mounted on a base measuring 100 x 100 x 12mm and comprises of a trip plate, the end of which bears upon the blade of a micro switch and holds it in the closed position. When deflected downwards by the impact of the ball the trip plate releases the blade and opens the switch. The trip plate comes complete with a protective rubber strip to prevent the switch from damage should it be accidentally struck directly by the ball. Kit comes complete with steel balls of 16 and 19mm diameter.


E E8H25316 D. ‘g’ by Free Fall Bundle


The kit includes a ‘g’ by freefall, fast timer and 4 x 4mm stackable plug leads 750mm length. E8R06831


GLOBAL DELIVERY


We deliver to over 130 countries E. ‘g’ by Free Fall Ball


The Unilab ‘g’ by freefall ball is a fun way to measure the acceleration due to gravity and make empirical measurements to illustrate the laws of motion. The ‘g’ ball contains an accurate timer with millisecond resolution. Timing begins when the button is released and stops when the ‘g’ ball hits the ground. The time of flight is displayed on a clear LCD display.


E8R07410 282 Free expert technician to technician support available £33.08 pack £300.20 £158.45 £288.10 £34.46


Physics


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