Question

forces
newtons laws
directions: in the blank at the left, write the letter of the term that correctly completes each statement.

1. forces that are ______ result in a net force of zero.

a. balanced b. unbalanced

1. any push or a pull that can change an objects motion is ______.

a. a force b. inertia

1. the amount of gravitational force between two objects depends on their ______.

a. color and intensity b. mass and distance

1. weight is measured in units called ______.

a. newtons b. kilograms

1. mass is measured in units called ______.

a. newtons and kilonewtons b. grams and kilograms
directions: fill in the

Explanation:

1. Balanced forces cancel each other out, so their net force is zero.
2. By definition, a force is a push or pull that can change an object's motion.
3. According to the law of universal gravitation, gravitational force depends on mass and distance.
4. Weight is a force, and force is measured in newtons.
5. Mass is measured in grams and kilograms.

Answer:

1. a. balanced
2. a. a force
3. b. mass and distance
4. a. newtons
5. b. grams and kilograms