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- 1. Multiple Choice
What is a contact force?
A force that needs two objects touching each other
A force that does not need the objects to touch to occur
A force that impacts an object
- 2. Multiple Choice
What will cause an object to move?
Applied forces
Balanced forces
Unbalanced forces
- 3. Multiple Choice
The force that pulls things towards earth
Speed
Gravity
Normal
Air resistance
- 4. Multiple Choice
The unit of force is
m/s
m/s2
Newtons
kg
- 5. Multiple ChoiceAcceleration isincreasing speeddecreasing speedchanging directionall of the above
- 6. Multiple ChoiceWhich type of force(s) will cause a change in an object's motion?equal forceszero net forcebalanced forcesunbalanced forces
- 7. Multiple ChoiceA ____ force is the sum of forces felt by an object.sumnetstrongbalanced
- 8. Multiple ChoiceWhat kind(s) of objects have inertia?all objects with massonly objects at restonly objects in motiononly objects whose motion is being changed
- 9. Multiple Choice
When two equal forces act in opposite directions on an object, they are called ______________________.
frictional force
balanced force
centripetal force
gravitational force
- 10. Multiple ChoiceThe force that opposes motion between two surfaces in contact with each other.inertiafrictionmomentumgravity
- 11. Multiple Choice
What is the net force?
400 N Up
400 N Down
800 N Up
800 N Down
- 12. Multiple Choice
A moving object experiences equal but opposite forces. This means the object
must come to rest since the forces are equal and opposite.
must be at constant speed since the forces are equal and opposite.
must be accelerating since the forces are equal and opposite.
must be changing direction since the forces are equal and opposite.
- 13. Multiple Choice
when you sit on a chair the net external force on you is
zero
up
down
depends on your weight
- 14. Multiple Choice
What is inertia?
the resistance of an object to change its motion
the increase or decrease in the velocity of an object
the amount of matter that makes up an object
kind of like an intestinal hernia but smaller
- 15. Multiple Choice
The size of a force is called its
Direction
Magnitude
Amount
Sense
- Answer choicesTagsAnswer choicesTags