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- 1. Multiple Choice
The tendency of an object to resist changes in its motion is...inertiaforceaccelerationvelocity - 2. Multiple ChoiceThe force that opposes motion between two surfaces in contact with each other.inertiafrictionmomentumgravity
- 3. Multiple ChoiceA force that opposes motion between a surface in contact with the atmosphere.air resistancegravitymomentumterminal velocity
- 4. Multiple ChoiceAn archer pulls the bowstring back, then releases the string and the arrow flies forward. The arrow flying forward is the...action forcereaction forcenet forceinertia
- 5. Multiple ChoiceIf these boys are pulling with the same amount of force. What will happen?The boy in blue will win.They will not move at all.The boy in red will win.Both will fall down.
- 6. Multiple ChoiceWhat is the net force on the block? (click on the words to view the picture)5 Newtons up5 Newtons down15 Newtons up15 Newtons down
- 7. Multiple ChoiceAre forces balanced or unbalanced when a marble rolls down a ramp?BalancedUnbalanced
- 8. Multiple Choice
If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration? (F=ma)
The one with a mass of 0.78 kg will have the greatest acceleration.
The one with a mass of 0.52 kg will have the greatest acceleration.
They will both accelerate at the same rate.
- 9. Multiple Choice
If an object is stationary (not moving) the forces acting upon it are _____________
unbalanced
weak
balanced
non existent
- 10. Multiple ChoiceA net force of 15 N is exerted on an encyclopedia to cause it to accelerate at a rate of 5 m/s2. Determine the mass of the encyclopedia?m = 3.0 kgm = 4.0 kgm = 3.0 mlm = 30.0 g
- 11. Multiple ChoiceHow much does a 6.0 kg bag of bolts weigh? (w = m*g) (g = 9.81 m/s2)6.0N12.0N58.8N600N
- 12. Multiple ChoiceWhat is the coefficient of static friction if it takes 44 N of force to move a box that has a mass of 8.75 kg?0.780.510.78 N0.58 N
- 13. Multiple Choice
A car has a mass of 210 kg and has a coefficient of friction between the ground and its tires of .75. What force of friction can it exert on the ground?
15000 N
7000 N
1543 N
500 N
- 14. Multiple ChoiceWhich way is the force moving?it's not , it is balanced or moving at a constantto the rightto the bottomup
- 15. Multiple ChoiceName the missing force...frictional forceweight forcethrustbuoyant force
- 16. Multiple ChoiceName the missing force...weight forcenormal forceapplied forcefrictional force
- 17. Multiple ChoiceThe chart below lists the forces applied to each of four toy cars. If all the cars accelerate at the same rate, which car must have the largest mass?PQRS
- 18. Multiple ChoiceWhen a cannon fires a cannonball we observe Newton's third law. Which force is the reaction force?The cannon moving forwardThe cannonball moving forwardThe cannon moving backwardThe cannonball moving backward
- 19. Multiple Choice
The table shows the acceleration of different objects when acted upon by a constant force. What happens to its acceleration?
P
Q
R
S
- 20. Multiple ChoiceThe weakest of the four fundamental forces is:GravityElectromagnetismStrong NuclearWeak Nuclear
- 21. Multiple ChoiceFind the acceleration of the 1 kg block in the following diagram5 m/s4 m/s24 m/s5 m/s2
- 22. Multiple ChoiceIf the mass of an object is 1000 kg on Earth, what is it's mass on the moon?10kg100kg1000kg10,000kg
- 23. Multiple ChoiceDescribe the forces and motion at Point 1.Balanced Forces, Constant SpeedBalanced Forces, AccelerationUnbalanced Forces, Constant SpeedUnbalanced Forces, Acceleration
- 24. Multiple Choice
The reaction force of a book pushing on a table is...
the table pushing on the book.
the table pushing on the ground.
the book pushing on the table.
gravity pulling on the book.
- 25. Multiple ChoiceIs the carStationaryMoving at constant speedAcceleratingDecelerating
- 26. Multiple ChoiceIs the carStationaryMoving at constant speedAcceleratingDecelerating
- 27. Multiple ChoiceIs the carStationaryMoving at constant speedAcceleratingDecelerating
- 28. Multiple Choice
A skydiver that weighs 500 N jumps out of a plane. As he falls the force of air resistance acting upon him continually changes. Determine the acceleration. Use g = 10 m/s/s
14 m/s/s [up]
14 m/s/s [down]
1.4 m/s/s [up]
1.4 m/s/s [down]
- 29. Multiple ChoiceWhat is the net force on the block? (click on the words to view the picture)5 Newtons up5 Newtons down15 Newtons up15 Newtons down
- 30. Multiple ChoiceWhat force brings the pencil down?FrictionMagneticElectricGravitational
- 31. Multiple ChoiceWhat force does a parachute use to slow things down before hitting the ground?FrictionAir resistanceWater resistanceWind
- 32. Multiple ChoiceOn the Picture the balloon pushes the air right and the balloon goes left. Which of Newton's Laws is this?Newton's 1st LawNewton's 2nd LawNewton's 3rd Law
- 33. Multiple ChoiceWhich has more mass, a kilogram of feathers or a kilogram of iron?feathersironneither
- 34. Multiple ChoiceA book rests on a table. The force of gravity pulls down on the book with a force of 20 newtons. What prevents the books from accelerating downward at 9.8 m/sec2The table presses back up on the book with an equal and opposite force of 20 newtons.The table presses back up on the book with a force greater than 20 newtons.The table and the book together are accelerating downwards at 9.8 m/sec2The inertia of the book holds it up
- 35. Multiple Choice
In the free-body diagram, which of the following is the gravitational force acting on the balloon?
5120 N
950 N
1520 N
4050 N
- 36. Multiple ChoiceWho wins the tug of war with what net force?The person on the left with 20 NThe person on the left with 80 NThe people on the right with 20 NThe people on the right with 100 N
- 37. Multiple ChoiceWhich Free body diagram shows an egg free-falling from a nest in a tree. Neglect air resistance.ABCD
- 38. Multiple ChoiceWhich Free body diagram shows a skydiver descending with a constant velocity. Consider air resistance. Consider frictional forces.ABCD
- 39. Multiple ChoiceWhich Free body diagram shows a book sitting on a desk.ABCD
- Answer choicesTagsAnswer choicesTags