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test2s3y10p2

# test2s3y10p2 - [J FIGURE 1 acceleration of the object A...

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Unformatted text preview: /\ [J FIGURE 1 acceleration of the object? A) 11.3° clockwise fro C) 11.3° clockwise from the -x-axis D) 78.7° counterclockwise from the +x-axis E) The mass of the object must be known to answer the question. a065, Y I ___ 2) :( 3 I 25 2 7) A 40.0—kg crate is being lowered by means of a rope. Its downward acceleration is 2.00 m/sZ. 7) g What is the force exerted b t e on the crate? A) 40.0 N 312 N C) 80.0 N D) 232 N E) 472 N r n 0 dry} C 41d 51 8) A 50.0-kg crate is being pulled along a horizontal, smooth surface. The pulling force is 10.0 N 8) !§ and is directed 20.0° above the horizontal. What is the acceleration of the crate? A) 0.376 m/52 .. @0188 m/sz 4X ‘ ‘E (as (Q C) 0.0728 m/sz __ ,0 2 o a D) 0.200 m/s2 “ 3:5 [0‘3 E) 0.0684 m/52 : o. /8 SUM/5 L 9) A 4.00-kg block slides down a frictionless inclined plane with an acceleration 3.00 m/ 52. What 9) g is the angle of the incline horizontal? A) 353° B 17.8° C) 53.7° D) 452° E) 23.6° 10) A packing crate slides down an inclined ramp at constant veloci . Thus we can deduce that 10) '3 A it is not acted on by appreciable normal force. 7 / 7 frictional force is acting on it. M 2 FX : m “X C) it is not acted on by appreciable gravitational force. )4 5. __ M D) a net downward force is acting on it. ‘ é ”“9 — l )( E) a net upward force is acting on it. e \ 57 n (9 : 0X /9_ )r v- - ~ :7 m a r ’l ) ZFX- ﬁfmgsmcﬂ Xi vhé \$5610 a”? 7g, “krwl {55/1/957th ...
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