Answer to Question #183524 in Physics for Caitlin

Question

1. A model rocket has a mass of 0.435 kg. It is mounted vertically and launches directly up with an thrust force of 13.1 N. What is the acceleration of the rocket at lift-off?
2. In a competition, a small robot accelerates

forward at 0.25 m/s2 as it pushes a wood block of mass 1.6 kg towards a basket. A friction force of 3.7 N exists between the block and floor.

A) What is the net force acting on the block?

B) What force is the robot applying to accelerate the block?

question 3. A hoist is used to lift a 780 kg car upward with an acceleration of 0.110 m/s2. What force was used to lift the car?

Answer 1

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