0.5 kg counter-mass pan R After the counter-mass was added the beam turned. a) State the direction the beam turned after the counter-mass was added. b) Calculate the moment of force, about the pivot, that causes the beam to turn. Show your working and state the unit. c) A customer selects tomatoes and adds them to pan R. To balance the beam, the costumer moves pan R so that it is suspended 16 cm from the pivot. Calculate the mass of the tomatoes. a) State what is meant by the term moment of a force about a point. b) The figure below shows a gate of a farm. Source: NSSCO Physical Science Paper 2 20​

Answertraveling around a circular trackexplanation"traveling around a circular track" is the best answer as you could be traveling around a circular track at a constant speed. your velocity would therefore have the same magnitude but will always be constantly direction. since acceleration is the rate of change of velocity, the rate of change will only involve the direction of velocity and not the magnitude.wrong choices: "an object at rest" does not accelerate at all"increasing speed while traveling around a curve" means that the acceleration will not be constant due to only change in direction; it will be constant due to both magnitude and direction"an object in free fall" does not necessarily change direction 

Carbon dioxide because it consists of one type of molecule.

Because its not moving at that time hope u understand