Force and Motion Unit Test%0D%0A5 of 185 of 18 Items%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0A%0D%0AQuestion%0D%0ATwo construction workers are attempting to pull a slab of concrete off of the ground. Each of the workers are pulling up with a force of 225 N, while the slab of concrete applies a gravitational force of 400 N in the opposite direction, remaining stationary.%0D%0A%0D%0AIf the pulling forces applied to the slab of concrete are assigned a positive value, what is the net force of the scenario, and in which direction will the slab of concrete move?%0D%0A%0D%0A(1 point)%0D%0AResponses%0D%0A%0D%0A175 N; the slab will move upward%0D%0A175 N; the slab will move upward%0D%0A%0D%0A-175 N; the slab will remain stationary%0D%0A-175 N; the slab will remain stationary%0D%0A%0D%0A50 N; the slab will move upward%0D%0A50 N; the slab will move upward%0D%0A%0D%0A-50 N; the slab will remain stationary
1 answer
So, the net force is 225 N + 225 N - 400 N = 50 N.
Since the net force is positive (or 50 N), the slab of concrete will move upward.
Therefore, the correct response is:
50 N; the slab will move upward