What is the direction of the net gravitational force on the mass at the origin due to the other two masses?

We put a force of 50n on an object and the acceleration is 100 m/s². what is the mass of the object?

Difference between series and parallel circuits

Aball is rolled uphill a distance of 5 m before it slows, stops, and begins to roll back. the ball rolls downhill 9 m before coming to rest against a tree. what is the magnitude of the balls displacement? a. 4 meters b. 9 meters c. 14 meters d. 45 meters