Two forces of magnitude 40N and 70N acts on an object calculate and write the resultant force acting on the object and the resultant a direction of force when both the force act in opposite direction

A) 70N in the direction of lesser force

B) 110N, opposite direction

C) 30N, in the direction of the greater force

D) 30N in the direction of lesser force

May someone explain how to do this question?

The ballistic pendulum was invented in 1742 by english mathematician benjamin robins. it consists of an initially stationary pendulum that moves after being struck by a bullet, and it is used to measure the original velocity of the bullet. the known variables are the bullet's mass m, the pendulum's mass m, and the height to which the block and bullet swing, determined by the length of the pendulum l and final angle θ. two principles of physics are necessary to solve for the bullet's original velocity. what are these principles? conservation of momentum and newton's third law conservation of energy and conservation of angular momentum grade summary deductions 0% potential 100% conservation of momentum and newton's second law. newton's second law and conservation of angular momentum. conservation of energy and newton's third law conservation of momentum and conservation of angular momentum. conservation of momentum and conservation of energy conservation of energy and newton's second law.

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