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- 1. Multiple Choice
What is the force on a 1000 kg elevator that is falling freely at 9.8 m/sec2
102.04 n
9,800 n
980 n
103 n
- 2. Multiple ChoiceWhat is the acceleration of a 50 kg object pushed with a force of 500 newtons?100 m/s225,000 m/s210 m/s225 m/s2
- 3. Multiple ChoiceNewtons 1st law of motion states:An object in motion will stay in motion and an object in rest will stay in rest unless acted upon by and unbalance force.For every action there is an equal and opposite reaction.Acceleration is produced when a force. acts on a mass.The greater the mass the greater the amount of force needed to change its motion.
- 4. Multiple ChoiceThe law of inertia is also known as which law of motion?Newtons first law of motion.Newtons second law of motion.Newtons third law of motion.Inertia has nothing to do with the laws of motion.
- 5. Multiple ChoiceA 50 kg skater pushed by a friend accelerates 5 m/sec2. How much force did the friend apply?45 N15 N10 N250 N
- 6. Multiple ChoiceA force of 250 N is applied to an object that accelerates at a rate of 5 m/sec2. What is the mass of the object?100kg1,250kg50kg5kg
- 7. Multiple ChoiceThis triangle is used to determine speed.TrueFalse
- 8. Multiple ChoiceThe classes are playing tug of war. Barsoum’s room pulls to the left with a force of 45 N. Coach Camacho's room pulls to the right with a force of 50 N. What is the net force? And who won?5N right. Coach Comacho's Class won.5N Left. Barson's class won.95N and Coach Comacho's class won.95N and Barson's class won.
- 9. Multiple ChoiceWhich is an unbalance force?A book sitting on a desk.A ball moving in a constant speed in the same direction.While doing a mannequin challenge Jose suddenly falls over when a bug lands on his nose.Every student in class is sitting perfectly still at their desks.
- 10. Multiple ChoiceDetermine the accelerations that result when a 12-N net force is applied to a 3-kg object and then to a 6-kg object.A 3-kg object experiences an acceleration of 2 m/s/s. A 6-kg object experiences an acceleration of 2m/s/s.A 3-kg object experiences an acceleration of 4 m/s/s. A 6-kg object experiences an acceleration of 2 m/s/s.A 3-kg object experiences an acceleration of 2 m/s/s. A 6-kg object experiences an acceleration of 4 m/s/s.A 3-kg object experiences an acceleration of 4 m/s/s. A 6-kg object experiences an acceleration of 4 m/s/s.
- 11. Multiple ChoiceWhat is inertia?How heavy an object is.How fast an object is moving.The movement of an object.The resistance of an object to change in motion.
- 12. Multiple ChoiceWhat is a force?A force is a push or pull.A force is anything that acting on another object.A force can be balanced or unbalanced.all of the above
- 13. Multiple ChoiceYou give a shopping cart a shove down the isle. The cart is full of groceries and has a mass of 18 kg. The cart accelerates at a rate of 3 m/s2. How much force did you exert on the cart?6N54N21N18N
- 14. Multiple ChoiceCoach Camacho and his wife were trying to move their new chair. Coach Camacho pulls with a force of 30N while Mrs. Camacho pushes with a force of 25 N in the same direction. What is the net force?15N5N55N25N
- 15. Multiple ChoiceHow much force is needed to accelerate a 25kg bowling ball at 2m/s2.50N5N12.5N100N
- 16. Multiple ChoiceIf a 2kg bird is pushed by the wind with a force of 2N, how fast does the bird accelerate?1 m2 m/s24m/s21 m/s2
- 17. Multiple ChoiceNewton's law of motion describes the relationship of force, mass, and acceleration. Write the equation.M=F/AF=MAA= F/MAll of the above
- 18. Multiple ChoiceIf you increase the mass on an object, its accelerationdecreasesstays the samealso increasesstops
- 19. Multiple ChoiceWhat is the SI unit for measuring force?NewtonsPoundsCarlsIsaacs
- 20. Multiple ChoiceThe unbalanced force acting on an object equals the object's mass times its acceleration is which law...?First LawSecond LawThird LawMurphy's Law
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