8. Circle your choice in the figure below. A Martian lander is approaching the s

Question

8. Circle your choice in the figure below. A Martian lander is approaching the surface. It is slowing its descent by firing its rocket motor. Which is the correct free-body diagram for the lander? and slowing a b) )) 8. Block 1, of mass m 0.700kg, is connected over an ideal (massless and frictionless) pulley to block 2, as shown. Assume that the blocks accelerate as shown with an acceleration of magnitude a 0.500 m/s? and that the angle 0- 30.0. Let the coefficient of kinetic friction acting between the incline and m2 be 0.258. Determine m2. Determine T, the tension in the cord connecting mi to m2 07002 M2

Explanation / Answer

1)

The answer is (c)

2)

m1 = 0.7 kg

a = 0.5 m/s^2

angle = 30

Mu = 0.258

Forces acting on m1

m1g - T = m1*a

T = m1g - m1a

T = m1(g - a)

T = 0.7(9.8- 0.5)

T = 6.51 N

Forces acting on m2

T - m2gsin(theta) - Mu*m2gcos(theta) = m2a

T = m2(gsin(theta) + Mu*gcos(theta)0 + a)

6.51 = m2(9.8*sin(30) + 0.258*9.8*cos(30)+ 0.5)

m2 = 0.8577 kg

Please upvote if the answers are correct.

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