Date 10. ? In both of the situations shown at the right, an applied force of 100

Question

Date 10. ? In both of the situations shown at the right, an applied force of 100 N accelerates the 100 N block on top of the table. In which case is the acceleration slowest? a. The one-block system on the right side. b. The two-block system on the left side. c. Both systems have the same acceleration. d. Neither system has a slower acceleration. 100 N 100NO 100 N 100N 11. If the box being lifted in the picture on the right weighs about 600 N, approximately how much force does the motor at the top need to apply to lift it from the bottom to the top? (Assume no friction for now.) 10 m 10 30m =155x10-' N a.Fr rh (600 N)(10m) rF d (600 N) (30m) 30m 1800 N

Explanation / Answer

here,

10)

W = 100 N

mass , m = W/g = 10.2 kg

F = 100 N

for the left side system

the accelration , al = net force /effective mass

al = ( 100) /(10.2 + 10.2)

al = 4.91 m/s^2

for the right side system

the accelration , ar = net force /effective mass

ar = ( 100) /(10.2)

ar = 9.81 m/s^2

the accelration is slowest b) the two block system on the left

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