Balanced and Unbalanced
by Sara Sharp
Balanced Forces
tree
It is balanced because it is not having a change in motion.
It is pulling down with 50n and going up with 50n.So the net force is 0.
scales
It is balanced because it has no change in motion.
The forces are 100n and 100n and the net force is 0. https://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=0CAYQjB1qFQoTCO7W4L3R9MgCFcsXPgodBAYNzQ&url=http%3A%2F%2Fux1.eiu.edu%2F~cfadd%2F3050%2FCh05Nwtn3rdLaw%2FHmwk.html&bvm=bv.106674449,d.cGU&psig=AFQjCNEdg_DWPfRoI1zAne11CMMZuSo1bg&ust=1446653221972617.
book on table
It is a balanced force because it is pulling up with 5n and pulling down with 5n.The net force is 0. https://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=0CAYQjB1qFQoTCLHDsaDS9MgCFYSgPgodTXACyA&url=http%3A%2F%2Fpashin.wikispaces.com%2FBalanced%2Band%2BUnbalanced%2BForce&psig=AFQjCNFesL0_77HynhZTmiIr_XdGxaJRUg&ust=1446653437593867
falling tree
It is unbalanced because there is a big change in motion.It is pulling up with 10n and pulling down with 600n.The net force is 590n. https://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=0CAYQjB1qFQoTCLqug_Wp9cgCFQQ2JgodO0oDHA&url=http%3A%2F%2Fbesidethestream.com%2F%3Fp%3D2959&psig=AFQjCNH3HpekdYKZhzTNXZkWH48J4-0c7Q&ust=1446676982093469
plane
This is also unbalanced because it is going right with 85n and 100n left and the net force is 15n . https://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=0CAYQjB1qFQoTCNqR4uKr9cgCFcHkJgodG6oEqw&url=https%3A%2F%2Fwww.mansfieldct.org%2FSchools%2FMMS%2Fstaff%2Fhand%2Flawsunbalancedforce.htm&bvm=bv.106379543,d.eWE&psig=AFQjCNHMN9rag-GKUKBUgKBKuzHprW8fKQ&ust=1446677043459545
saw with kids
This is another one that is unbalanced.It is pulling down with 70n and pulling up with 60n and the net force is 10n. https://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=0CAYQjB1qFQoTCL6l-sar9cgCFYI5JgodEp0FVw&url=http%3A%2F%2Fwww.zephyrus.co.uk%2Funbalancedforces.html&bvm=bv.106379543,d.eWE&psig=AFQjCNHMN9rag-GKUKBUgKBKuzHprW8fKQ&ust=1446677043459545.