1. Using what we learned above, the magnitude of the acceleration of the hanging

Question

1. Using what we learned above, the magnitude of the acceleration of the hanging mass (m1), is ___________ to the magnitude acceleration of the mass on the table (m2).

a. larger; b. smaller; c. equal

2. We know that the motion of the blocks is caused by the gravitational force acting on the hanging mass(m2). Based on this, select all of the correct Newton’s Second Law equations shown below. (choose all that apply)

a. Fnet= m1a; b. Fnet= m1g = (m1 + m2)a; c. Fnet= (m1 + m2)a; d. Fnet= m2a; e. Fnet= (m1 + m2)(a1+ a2)

3. The acceleration of the hanging mass is ___________ to the acceleration due to gravity, g.

a. larger; b. smaller; c. equal

Explanation / Answer

since they are connected by rope so the must have the same acceleration . we assumed that pully mass = 0 and rope is ideal

equal   

2.

for block 2 & 1

T = M2a & M1*g - T = M1*a

so we got

b. Fnet = m1g = (m1 + m2)a

3

a = m1g / (m1 + m2) < g

smaller

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