test0222 - Page 2 4. An object 4.0N for + x axis? a. 8.0 kg...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Page 2 4. An object 4.0N for + x axis? a. 8.0 kg b. 8.0 kg c. 6.9 kg 6.9 kg @ of mass = 2.0 kg in Figure 1 is pulled by a constant force F = a horizontal distance of 2.0m. What is the work done along the Neglect friction. m/s2 m2/s2 o (0:::' J 0 m/s2 m2/s2 Figure 1 I 5. ~F Refer to Figure 4. Block A has a mass of 2.00 kg and rests on a smooth table and is connected to block B, which has a mass of 3.00 kg as shown. Block B is released from rest. What is the acc~e e~tion of the masses? a. 3.92 m/s2 1711 __ b. 4.71 m/s2 (S)S.89m/s2 . A A )., / '-fA ~ - I ~ r-~ J:G::= FIgure 4 I I ~ d. 6.S4 m/s2 . 4 '1 ;:-MALt A- (l .=; (, ~----t11A Ct. - W j'1) ~ Bd C1.n If ) j 1'1" A constant force is applied to an object that causes a certain displacement. If the angle between the force and the displacement 13So. The work done by this force is ~ I)J 0 -> a. posltlve C\..., ~ fb"\ negative '.1 . "-0S-/3)' /" 1'-- /" ~ ON (oj J) "- 0 r..s d. Not enough 7. information is given to answer this question An object rests on an inclined surface. If the inclination of the surface is made steeper, does the normal force on the object a. increase rdecrease l' 1N c. stay the same d. the normal force is zero ® [ ~..::- f0 - heft r:; .:::-J Yn"j (~ (oS cJ ..: 6l.- _---' (!{,(';J'~ ~(r C' i /) '.......) ~ cf8 coP7 I1p;} y:::_fI1b 6. ", fI1 (l; (- IhA1r1(3)q:= (Y);1 ,I := PiB M~} T-McJ ~. r! 5: F, e - is ...
View Full Document

Ask a homework question - tutors are online