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Identify the following statements if they indicate the first law, second law or third law of motion. Choose
from the box below and write the corresponding letter of the correct answer.
a. Law of Inertia
b. Law of Acceleration
c. Law of Interaction
d. none of the above
1. A bicycle or car will keep moving unless the rider or driver applies a frictional force through the
brakes to stop it.
2. Running
3. When you bump into someone, you fall back
4. A car still moves for a short period of time even after the brakes have been applied
5. Karma.
6. Pushing a shopping cart full of groceries.
7. pushing a stailed car
8. A situation where your dirty room will not be cleaned unless ordered by your mom.
9. Lying on top of your bed
10. Jumping up
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- 1. The dynamic means the study of the motion of particles and bodies without taking into account the factors that cause this motion. 2. Calculations in dynamics involve mass and force. 3. The velocity is a scalar quantity. 4. The displacement is a vector quantity. 5. The speedometer in a car measures the speed, which is a vector quantity. 6. A position-time graph is a useful tool for analyzing the friction of bodies. 7. The instantaneous velocity can be calculated graphically from the time-position graph by finding the slope of the line between two points on this graph. 8. The average and instantaneous acceleration can be estimated graphically from the time-position graph. 9. The free-body diagram shows all the internal forces that exerted on an object. 10. Frietion acts to resist the motion of the object when two objects are in not contact. 11. The static friction is proportional to normal force only 12. The normal force is available when two objects in direct contactAnswer the following with the correct letter. 1. A physical quantity related to the property of an object to resist changes in its motion. a. Inertia b. Acceleration c. Mass d. Force 2. True or false? In considering forces in systems, their direction is not important. a. True b. False 3. An object following a straight-line path at constant speed <blank>. a. Has net force acting upon it in the direction of motion b. Has zero acceleration c. Must be moving in a vacuum d. Has no forces acting on it1. Why does the body tend to move backward when the train starts to move? 2. Why does the body tend to move forward when the moving train suddenly stopped? 3. Give other examples of the important applications of the 1st law of motion to everyday life.
- Answer the following with the correct letter. 1. A box was dropped from the top of a building. Which of the following is true regarding its acceleration? a. The acceleration increases. b. The acceleration stays the same. c. The acceleration decreases. d. I need more details to confirm any of these three statements.Q2) State whether the following statements are true (T) or false (F). Correct the false statements (answer ten points only) 1. The dynamic means the study of the motion of particles and bodies without taking into account the factors that cause this motion. 2. Calculations in dynamics involve mass and force. 3. The velocity is a scalar quantity. 4. The displacement is a vector quantity. 5. The speedometer in a car measures the speed, which is a vector quantity. 6. A position-time graph is a useful tool for analyzing the friction of bodies. 7. The instantaneous velocity can be calculated graphically from the time-position graph by finding the slope of the line between two points on this graph. 8. The average and instantaneous acceleration can be estimated graphically from the time-position graph. 9. The free-body diagram shows all the internal forces that exerted on an object. 10. Friction acts to resist the motion of the object when two objects are in not contact. 11. The static…Answer the following question with the correct letter.1. Which law has this statement? “The sum of the forces (F) on an object is equal to the mass (m) of that object multiplied by the acceleration (a) of the object”. a. First Law b. Second Law c. Third Law d. Law of Gravitation 2. Which law has this statement? “When one body exerts a force on a second body, the second body simultaneously exerts a force equal in magnitude and opposite in direction on the first body”. a. First Law b. Second Law c. Third Law d. Law of Gravitation 3. A physical quantity related to the property of an object to resist changes in its motion. a. Inertia b. Acceleration c. Mass d. Force 4. True or false? In considering forces in systems, their direction is not important. a. True b. False 5. An object following a straight-line path at constant speed <blank>. a. Has net force acting upon it in the direction of motion b. Has zero acceleration c. Must be moving in a vacuum d. Has no forces acting…
- Direction: Read and understand each question carefully. Choose the correct answer and write your answer before the number. 1. How do forces occur? a. in pairs 2. Which describe a force? b. a push b. in triplets c. by themselves d. as single d. neither a push or a a. a pull pull 3. What is the unit of force? a. calorie b. joule c. newton d. pound 4. A 500 N lady sits on the floor. How much force on the floor exerts on her? a. 50 N b. 250 N c. 500 N d. 1000 N a. Aristotle b. Thomas Edison c. a push & a pull 5. How can you increase/decrease friction? a. Add a rough surface to increase, add lubricant to decrease b. Just add water c. Add force d. Add acceleration 6. Who formulated the Three Laws of Motion? c. Isaac Newton d. Alexander Graham Bell 7. Which Newton's First Law of Motion, a moving object that is not acted upon by a net Force will? a. Accelerate b. Eventually come to a stop c. Change its velocity d. Continue moving at constant velocity 8. Which has the greatest inertia? a.…Answer number 1 and the picture below 1. When a heavy football player and a light one run into each other, who exerts more force in reference to the Third Law of Motion? A.There is no such thing as force B.The heavy one C.They are equal D.The light oneUNIT 1: Motion and Its Applications 1. Know terminology i.e. displacement, distance, uniform motion, constant velocity, speed, velociy, acceleration, inertia, mass, net force, normal force, applied force, frictional force, coefficient of friction, gravity, etc. 2. Know the symbols and SI units for motion and force quantities 3. Be able to convert ie. from m/s to km/h etc. 4. Be able to solve distance, displacement, speed, velocity, and acceleration problems using kinematics equations 5. Be able to interpret graphs: determine direction of motion, slowing down, etc. and solve for quantities from the graph Ad, At, v, a, etc. 6. Explain Newton's 3 Laws of Motion; know examples of each 7. Solve force of gravity problems 8. Solve friction problems using coefficient of friction 9. Be able to draw FBDS showing all forces 10. Be able to solve problems with multiple forces to find Fnet, a, etc. calculate
- Directions: Write TRUE is the statement is correct but if it is false, change the underlined words with the correct answer. 1. A force is a push or pull 2. Force is a galar quantity 3. The unit of force is Newton (N) 4. In general, a body can have several forces acting on it at the same time 5. Inertial frame of reference are reference frame where Newton's First law are observable. 6. Another effect of a balanced force, equilibrium, is that a body accelerates. 7. The heavier the object, the lesser the inertia. 8. Forces acting on a body are unbalanced if the resultant force is not zero 9. In an inertial reference frame, No forces should be exerted within the frame. 10. Normal force is lateral in nature. П. Identify Action Reaction Pairs A student in hot air balloon ascends vertically at a constant speed. Consider the four forces in this situation: Fl= the weight of the baloon F2= the weight of the student F3= the force of the student pulling on the earth F4= the support force of the…Answer the following questions True or False. Show your Complete Explanations. This is all about General Physics 1 Vectors.A mass of 10 grams is dropped from a building 100 meters high. After what time will the object hit the ground. Select one: a. 2.45 seconds b. 4.52 seconds c. 5.64 seconds d. 6.32 seconds