Auniform rod ab is of length 180 cm and mass 2 kg. it balances horizontally on asingle support when carrying loads of 1 kg and 3 kg at distances 60 cm and 120 cmfrom a side. find the position of the support and the magnitude ofdownward thrust on it.

Rosa records the distance that a toy car rolls and the time it takes to cover the distance. what scientific practice is this? collecting data asking a question providing explanations communicating results

Anybody wanna ? (picture included? )

This is important. 1. which of the following is an si base unit for measuring length? (2 points) inch gram meter mole 2. which of the following units for distance is an si unit? (2 points) centimeter foot inch yard 3. which of the following tools should a scientist use to measure an object in meters? (2 points) electronic balance pan balance tape measure thermometer