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07. The weight of an object a. is the quantity of matters it contains b. refers to its inertia c. is basically the same quantity as its mass but expressed in different units d. is the force with which it is attracted to the earth 08. When an object exerts a normal force on a surface, the force is a. equal to the object's weight c. parallel to the surface b. frictional in origin d. perpendicular to the surface 09. The weight of 0.60 kg of salami is a. 0.061 N b. 5.9 N c. 61 N d. 5.9 KN

07. The weight of an object a. is the quantity of matters it contains b. refers to its inertia c. is basically the same quantity as its mass but expressed in different units d. is the force with which it is attracted to the earth 08. When an object exerts a normal force on a surface, the force is a. equal to the object's weight c. parallel to the surface b. frictional in origin d. perpendicular to the surface 09. The weight of 0.60 kg of salami is a. 0.061 N b. 5.9 N c. 61 N d. 5.9 KN

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07. The weight of an object a. is the quantity of matters it contains b. refers to its inertia c. is basically the same quantity as its mass but expressed in different units d. is the force with which it is attracted to the earth 08. When an object exerts a normal force on a surface, the force is a. equal to the object's weight c. parallel to the surface b. frictional in origin d. perpendicular to the surface 09. The weight of 0.60 kg of salami is a. 0.061 N b. 5.9 N с. 61 N d. 5.9 KN 10. A woman whose weight is 500 N is standing on the ground. The force the ground exerts on her is a. less than 500 N C. more than 500 N b. equal to 500 N d. any of the above, depending on her location on the earth's surface 11. The acceleration of gravity on Mars is 3.7 m/s². Compared with her mass and weight on earth, an astronaut on Mars has a. less mass and less weight c. the same mass and less weight b. less mass and more weight d. less mass and the same weight. 12. Which of the following is friction undesirable? a. Driving on a wet road b. walking on a well-polished floor of a shopping mall c. holding a frozen bottle of soft drink d. move by pushing heavy furniture from one place to another 13. One way to obtain more accurate results in your experiment using a pulley system is to reduce friction between the shaft and pulley. You obtain this by doing any of the following except a. applying oil on the shaft c. rubbing the shaft with sandpaper b. putting grease on the shaft d. wiping the shaft with wax 14. In friction experiment, the cord attached to the carrier is made parallel to the horizontal box cover so that the a. normal force on the carrier becomes greater c. weight of the carrier becomes greater b. normal force in the carrier becomes smaller d. normal force in the carrier is not affected 15. In the experiment, when the cart starts to move, the weight of the pan plus its load represents the a. starting friction (or maximum static friction) c. normal force b. kinetic friction d. tension in the string 16. In item no. 14, the weight of the carrier plus its load signifies the a. starting friction (or maximum static friction) c. normal force b. kinetic friction d. tension in the string
Transcribed Image Text:07. The weight of an object a. is the quantity of matters it contains b. refers to its inertia c. is basically the same quantity as its mass but expressed in different units d. is the force with which it is attracted to the earth 08. When an object exerts a normal force on a surface, the force is a. equal to the object's weight c. parallel to the surface b. frictional in origin d. perpendicular to the surface 09. The weight of 0.60 kg of salami is a. 0.061 N b. 5.9 N с. 61 N d. 5.9 KN 10. A woman whose weight is 500 N is standing on the ground. The force the ground exerts on her is a. less than 500 N C. more than 500 N b. equal to 500 N d. any of the above, depending on her location on the earth's surface 11. The acceleration of gravity on Mars is 3.7 m/s². Compared with her mass and weight on earth, an astronaut on Mars has a. less mass and less weight c. the same mass and less weight b. less mass and more weight d. less mass and the same weight. 12. Which of the following is friction undesirable? a. Driving on a wet road b. walking on a well-polished floor of a shopping mall c. holding a frozen bottle of soft drink d. move by pushing heavy furniture from one place to another 13. One way to obtain more accurate results in your experiment using a pulley system is to reduce friction between the shaft and pulley. You obtain this by doing any of the following except a. applying oil on the shaft c. rubbing the shaft with sandpaper b. putting grease on the shaft d. wiping the shaft with wax 14. In friction experiment, the cord attached to the carrier is made parallel to the horizontal box cover so that the a. normal force on the carrier becomes greater c. weight of the carrier becomes greater b. normal force in the carrier becomes smaller d. normal force in the carrier is not affected 15. In the experiment, when the cart starts to move, the weight of the pan plus its load represents the a. starting friction (or maximum static friction) c. normal force b. kinetic friction d. tension in the string 16. In item no. 14, the weight of the carrier plus its load signifies the a. starting friction (or maximum static friction) c. normal force b. kinetic friction d. tension in the string
03. Refer to the figure, the meter stick is pivoted and balanced at 0.27 m of the meter stick by hanging 1 set of weight at 10 cm mark. Complete the table below. (10 pts.) d, + di W2 W, Data and Calculations: Moment (N-m) Mass (kg) 0.075kg 0.10 kg Position (m) Lever arm (d) % Difference Meter stick (W,) 0.50 Hanging weight (W2) Computations: 0.10
Transcribed Image Text:03. Refer to the figure, the meter stick is pivoted and balanced at 0.27 m of the meter stick by hanging 1 set of weight at 10 cm mark. Complete the table below. (10 pts.) d, + di W2 W, Data and Calculations: Moment (N-m) Mass (kg) 0.075kg 0.10 kg Position (m) Lever arm (d) % Difference Meter stick (W,) 0.50 Hanging weight (W2) Computations: 0.10
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