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- 1. Multiple ChoiceTwo factors effecting the magnitude of the force of gravity between 2 objects are...Mass and DistanceMass and MatterDistance and WeightWeight and Mass
- 2. Multiple ChoiceThe force of gravity acting on an object is the object's ______.MassMatterWeightTerminal velocity
- 3. Multiple ChoiceYou push on a tree with 20 N of force. If the tree doesn't move, the tree is pushing back on you with _____of force.20N40N10N70N
- 4. Multiple ChoiceWhat is the force acting between any two objects in the known universe all the time?Gravitational ForceForce of FrictionNormal ForceElectromagnetic Force
- 5. Multiple ChoiceTo calculate net force, when forces are acting in the same direction, the forces are ...addedsubtractedmutiplieddivided
- 6. Multiple ChoiceWith unbalanced forces, the object will move in the direction of the _______ force.largersmallerequal
- 7. Multiple ChoiceWhat type of fluid friction acts on an object moving through the air?FrictionNormal ForceGravityAir resistance
- 8. Multiple ChoiceTo calculate net force, when forces are acting in opposite directions, the forces are ...addedsubtractedmultiplieddivided
- 9. Multiple ChoiceImagine you travel to another planets. What will change as you walk around the surface of the planet- your mass or your weight?MassWeightBothNeither
- 10. Multiple ChoiceFriction is a force that acts in a(n) ___________ direction relative to a moving object.similaroppositeparallelperpendicular
- 11. Multiple ChoiceWhat is the unit that measures force?WeightNet forceNewtonKilogram
- 12. Multiple ChoiceHow would the absence of friction affect a marble traveling on a long, straight path?The marble’s speed would decrease.The marble’s speed would increase.The marble would stop immediately.The marble would remain at a constant speed.
- 13. Multiple Choice
As the distance between 2 objects increases, what happens to gravitational force?It increases.It decreases.It stays the same.Only Mr. Silvio knows what will happen. - 14. Multiple ChoiceAs mass increases, what happens to the gravitational force?It increases.It decreases.It stays the same.It acts as a 3rd degree derivative function.
- 15. Multiple ChoiceWhich of the following will not change in different gravitational fields?weightforcemasspounds
- 16. Multiple ChoiceWhen does a falling object experienced balanced forces?When it reaches terminal velocityDuring free fallWhen it first starts to fallWhen it bounces up after hitting the ground
- 17. Multiple ChoiceWhat is the rate at which Earth's gravity accelerates objects in free fall?9.8 m/s23.14159 km/hr/s13.7 m/s242 km/h/s
- 18. Multiple Choice
The main reason a baseball comes down when a boy tosses it up into the air is —
magnetism is pulling the ball down
the boy cannot see to catch it
gravity is pulling down on the ball
gravity pushes the ball in the air
- 19. Multiple ChoiceWhat is friction?It is a resistance forceFriction does not existIt is an imaginary forceIt is red
- 20. Multiple ChoiceHow do you lower the friction force?By a smooth surfaceBy a rough surfaceBy not pushing hardBy pushing down
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