7. Assume the three blocks portrayed in the figure below move on a frictionlesssurface and a 42-N force acts as shown on the 3.0-kg block. Determine (a) theacceleration given this system, (b) the tension in the cord connecting the 3.0-kgand the 1.0-kg blocks, and (c) the force exerted by the 1.0-kg block on the 2.0-kgblock. Answers: a) 7.0 m/s? horizontal and to the right b) 21 N c) 14 N horizontaland to the right42 N3.0 kg1.0 kg2.0 kg

(a) Acceleration of the system is, a=Fm1+m2+m3=42 N1.0 kg+2.0 kg+3.0 kg=7.0 m/s2…

Answered: 7. Assume the three blocks portrayed in…

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Learning Goal: A 1290 -kg car is pushing an out-of-gear 2200 -kg truck that has a dead battery. When the driver steps on the accelerator, the drive wheels of the car push horizontally against the ground with a force of 4580 N. The rolling friction of the car can be neglected, but the heavier truck has a rolling friction of 755 N, including the "friction" of turning the truck's drivetrain. What is the magnitude of the force the car applies to the truck?
Learning Goal: A 1290 -kg car is pushing an out-of-gear 2200 -kg truck that has a dead battery. When the driver steps on the accelerator, the drive wheels of the car push horizontally against the ground with a force of 4580 N. The rolling friction of the car can be neglected, but the heavier truck has a rolling friction of 755 N, including the "friction" of turning the truck's drivetrain. What is the magnitude of the force the car applies to the truck?
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