FRITZI7. A 10 N force is acting on a body in the upward direction while a 10 Nforce is acting on the same body in the downward direction, what wouldbe the net force?a.20 Nb. 10 Nc. ONd. 100 N19. A circuit that has more than one path for electricity to flow.a. parallel circuitb. static circuitc. magnetic circuitd. series circuit21. Which of Newton's three laws does the following example illustrate? Ifyou have a hockey puck sliding along a table, it will eventually come to astop.29.a. Newton's First Lawb. Newton's Second Lawc. Newton's Third Lawd. None of the above23. Newton's first law of motion states thata. when a force is applied on an object, an equal force is applied bythe object in the opposite direction.b. an object will remain at rest or keep moving in a straight linewith constant speed unless a force acts on it.c. when a force acts on an object, its acceleration is in the samedirection as the force.d. acceleration is calculated by dividing the force exerted on anobject by the mass of the object.25. A Newton is equal to.a. the amount of mass in an objectb. mass times velocityc. mass times speedd. mass times acceleration27. A car accelerates due to unbalanced forces. What is this an example of?a. Newton's Third Lawb. Newton's First Lawc. Newton's Second Lawd. Gravitational LawWhen a ball hits the ground it bounces. What is this an example of?a, Newton's First Lawb. Gravitational Lawc. Newton's Second Lawd. Newton's Third Law20. WaE26.сd22. Milsama.b.C.d.24. WhabC28. Iffo2bСd.

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Answered: A 10 N force is acting on a body in the…

A 10 N force is acting on a body in the upward direction while a 10 N force is acting on the same body in the downward direction, what would be the net force? a. 20 N b. 10 N c. ON d. 100 N

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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36. An object rest on an inclined. As the angle between the inclined and the horizontal increases, the force needed to prevent the object from sliding down the inclined a. decreases b. increases c. remains the same d. none of these 37. An elevator containing a man weighing 800 Newton's is rising at a constant speed. The force exerted by the man on the floor of the elevator is a. Less than 80 N b. between 80 and 800 N c. 800 N d. more than 800N 38. If the mass of one of two particles is double and the distance between them is doubled, the force of attraction between the two particles will a. decreases b. increase c. remain the same d. none of these 39. If the mass of an object near the surface of the earth is increases from M to 3M, the acceleration of the object due to gravity will be a. one-third as great b. 9 times as great c. 3 times as great d. unchanged
34. What is a concurrent force system? All forces act at the same point. All forces are parallel with one another. All the forces have the same line of action. All forces are in the same plane. 35. The procedure in drawing a Free-Body Diagram is in the following order: II. Show all forces 1. Identify each force II. Draw outlined shapes 36. A particle is said to be in equilibrium if: 1. it remains at rest if originally in motion. II. it has a constant velocity if originally in motion. I. it results to a non-zero resultant force. I only Il only Ill only O 1& |
9. The 500KN is in contact with a 45° inline. The coefficient of static friction is 0.25. Compute the value of the horizontal force P necessary to Just start the block up the incline. A. 822KN B. 832KN C. 842KN D. 852KN
What is the direction of the net force acting on the object at position B? a. to the rightb. to the leftc. downwardd. The net force is zero.
25 N 10 N Figure 4 45° a. 31.50 N/m D. 21.21 N/m C. 55.28 N/m U. 28.10 N/m Situation 5 (Items 13-14). The 25-N block shown in Figure 4 is applied with a 10-N force. The coefficients of static friction at the surface of contact are 0.20 and 0.15 respectively. 13. How much is the normal force acting on the block? c. 24.75 N 14. Which of the following gives the friction force acting on the block? c. 9.90 N a. 9.90 N b. 10.61 N d. 25.48 N a. 3.71 N b. 4.95 N d. 10.61 N
A 200 kg object stay in rest on a 60 degree slope, the normal force on the object is: a. 200 kg b. 1960 N c. 1697 N d. 490 N e. 980 N
7. A woman pushes her sied across even snow surface to get it going, then jumps in. The sled then aradually slows to a halt after she jumped in. What forces act on the sled just after she's jumped in? a. Gravity and kinetic friction b. Gravity and a normal force C Gravity and the force of the push d. Gravity, a normal force, and kinetic friction e. Gravity, a normal force, kinetic friction, and the force of the push
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9. The 500KN is in contact with a 45° inline. The coefficient of static friction is 0.25. Compute the value of the horizontal force P necessary to Just start the block up the incline. A. 822KN B. 832KN C. 842KN D. 852KN
(b) Two surfaces are in contact with the 4.0 kg block, the 2.0 kg block and the floor. In what directions do the two friction forces act on the 4.0 kg block? A. Both act to the left B. Both act to the right C. The force between the two blocks acts to the left and the force between the 4.0 kg block and the floor acts to the right D. The force between the two blocks acts to the right and the force between the 4.0 kg block and the floor acts to the left (c) Using this question, draw a free body diagram for each for each of the blocks in your notebook. ! No, that's only partially correct
UESTION 19 If the box is stationary and the angle between the horizontal and force F is increased somewhat, what happens to the normal force on the box? A. increases or decreases depending on the value of F OB. increases OC. remains the same O D. goes to zero O E. decreases QUESTION 20 OB, 631052 J OC. 105384 J OD 198378 I Q 品 MacBook Air A force acts on a 2.1 kg object in such a way that the position as a function of time is given by x=0.92t-0.87t+1.8t (x is in meters; t is in seconds). Find the work done on the object by the force from t = 0 and t = 8.9 s. OA. 438765 J da # 3 6 M ko WAZ 20 myUBCARD R S 1 880080R 38888 D
3. Which of the following sets of forces acting on an object could not be in equilibrium? a. 4 N, 4N, 4N b. 5 N, 10 N, 15 N c. 6 N, 7 N, 10 N d. All the above sets of forces can be in equilibrium. B