   Chapter 4, Problem 59P

Chapter
Section
Textbook Problem

Assume the three blocks portrayed in Figure P4.59 move on a frictionless surface and a 42-N force acts as shown on the 3.0-kg block. Determine (a) the acceleration given this system, (b) the tension in the cord connecting the 3.0-kg and the 1.0-kg blocks, and (c) the force exerted by the 1.0-kg block on the 2.0-kg block. Figure P4.59

(a)

To determine
The acceleration.

Explanation

Given Info: Masses of the blocks are 1 kg, 2 kg and 3 kg. The horizontal force applied is 42 N.

Formula for acceleration is,

a=Fm

• F is the horizontal force.
• m is the total mass.

Total mass is,

m=(1kg)+(2kg)+(3kg)=<

(b)

To determine
The tension on the cord.

(c)

To determine
The force exerted by the 1 kg block on the 2 kg block.

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