Vector Addition Worksheet

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Vector Addition Worksheet Name ________________
1. A ship is heading due west at a steady speed of 15 km/h. A current of 3 km/h is running due
south. Calculate the velocity of the ship relative to the seabed. (Hint: The velocity of the ship
plus the velocity of the current will add up to the total velocity of the ship relative to the
seabed.)
2. Two tractors pull on a large boulder in an effort to shift it out of the way of a new fence line.
One tractor pulls with a force of 3000 N west and the other tractor pulls with a force of 2500
N in a direction of 255 degrees wrt 0 degrees because of the terrain. Determine the resultant
force acting on the boulder.
3. Three coplanar horizontal forces each of magnitude 10 N act on a body of mass 5 kg as
shown below. Determine the magnitude of the net force acting on the body.

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