8. The total force acting on an object points to the left. Two of the three forces are shown in the figure. Where should be the missing third force pointing? Two of the three forces exerted on an object F, b

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Chapter1: Units, Trigonometry. And Vectors
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8. The total force acting on an abject points to the left. Two of the three forces
are shown in the figure. Where should be the missing third force pointing?
Two of the three
forces exerted on
an object
F,
b.
9. A ball rolls down a slope and aff a flat flaar. Ignaring air
resistance, what force or farces act on the ball as it moves
through the air just after leaving the flat floor?
a. The weight of the ball acting vertically down.
b. A horizontal force that maintains the motion.
C A force whose direction changes as the direction of
motion changes.
d. The weight of the ball and a horizontal force.
e. The weight of the ball and a force in the direction of motion.
10. A steel bar hangs from a cable as a crane tifts it. What forces act on the bar?
a. Gravity
b. Gravity and tension in the cable
c. Gravity and a force of motion
d. Gravity and tension and a force of motion
Transcribed Image Text:8. The total force acting on an abject points to the left. Two of the three forces are shown in the figure. Where should be the missing third force pointing? Two of the three forces exerted on an object F, b. 9. A ball rolls down a slope and aff a flat flaar. Ignaring air resistance, what force or farces act on the ball as it moves through the air just after leaving the flat floor? a. The weight of the ball acting vertically down. b. A horizontal force that maintains the motion. C A force whose direction changes as the direction of motion changes. d. The weight of the ball and a horizontal force. e. The weight of the ball and a force in the direction of motion. 10. A steel bar hangs from a cable as a crane tifts it. What forces act on the bar? a. Gravity b. Gravity and tension in the cable c. Gravity and a force of motion d. Gravity and tension and a force of motion
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