___3-4. A boy and a girl are pulling a heavy crate at the same time in same directions with 10 units of force each.
What is the net force acting on the object?

a. 5 units b. 10 units c. 15 units d. 20 units

For question number 4. Please refer to the illustration below.

___5. The illustration above BEST applies what kind of Newton’s Law of Motion?
a. Law of Acceleration c. Law of Interaction
b. Law of Inertia d. law of Action and Reaction
___6-7. Suppose a ball of mass 0.80 kg is hit with a force of 15 N. Its acceleration will be?
a. 12 N b. 12 m/s c. 15.80 m/s d. 18.75 m/s