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- 1. Multiple ChoiceWhat is the unit of measurement for force?kilogramsnewtonsgramsnewt
- 2. Multiple ChoiceWhich type of force(s) will cause a change in an object's motion?gravityzero net forcebalanced forcesunbalanced forces
- 3. Multiple ChoiceWhat is Newton's First Law of Motion?F=m x aEvery action has an equal and opposite reactionAn object at rest stays at rest, an object in motion stays in motion unless acted on by another force.Friction
- 4. Multiple Choice
What is inertia?
the force that opposes motion
the force of attraction between 2 objects
an object's tendency to stay in its state of motion
a change in an object's speed and/or direction
- 5. Multiple ChoiceAccording to Newton’s first law of motion, a moving object that is not acted on by an unbalanced force willremain in motion.eventually come to a stop.change its momentum.accelerate.
- 6. Multiple Choice
What is the net force on an object?
the sum of all the forces on an object
the negative forces on an object
the positive forces on an object
the balanced forces on an object
- 7. Multiple ChoiceWhat is Newton's First Law known as? The Law ofFrictionMassInertiaGravity
- 8. Multiple ChoiceThe law of inertia (Newton’s First Law) appliesto both moving and nonmoving objectsonly to moving objectsonly to objects that are not moving
- 9. Multiple Choice
Why does an 18-wheeler truck have more inertia than a bicycle?
it has more mass
it has more volume
it is not as aerodynamic
It has more space
- 10. Multiple Choice
When two equal forces act in opposite directions on an object, they are called ______________________.
frictional forces
balanced forces
centripetal force
gravitational force
- 11. Multiple ChoiceWithout a force to stop or slow a coasting object, the object will coast forever in a ______ line.blueredstraightvertical
- 12. Multiple ChoiceThe ______of an object tends to make the object resist being set into motion.massforcemotionunbalanced forces
- 13. Multiple ChoiceWith unbalanced forces, the object will move in the direction of the _______ force.largersmallerequal
- 14. Multiple ChoiceIf I slowly roll a ball down the hallway, why does it eventually stop?Because of Newton's First LawFriction and Air ResistanceInertiaIt wouldn't stop, it would keep going until it hits a wwall.
- 15. Multiple Choice
Which of the following is the best example of Newton's First Law of Motion?
Jessica's body flies forward after she hits the brakes
Jessica drives a car
Jessica is at a road crossing
Jessica is sleeping
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