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Acceleration and Force Honors

Last updated over 1 year ago

6 questions

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Question 1

1.

A 350-kg sailboat has an acceleration of 0.62 m/s2. Find the net force that acts on the sailboat

Question 2

2.

An airplane has a mass of 31000 kg and takes off under the influence of a constant net force of 37000 N. What is the net for that acts on the 78 kg pilot?

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Question 3

3.

In the amusement park ride known as Magic Mountain Superman, powerful magnets accelerate a car and its riders from rest to 45 m/s (about 100 mph) in a time of 7.0 s. The mass of the car and riders is 5500 kg. Find the average net force exerted on the car and riders by the magnets. (Hint - you have to find acceleration first)

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Question 4

4.

A person with a black belt in karate has a fist that has a mass of 0.70 kg. Starting from rest, this fist attains a velocity of 8.0 m/s in 0.15 s. What is the magnitude of the average net force applied to the fist to achieve this level of performance?

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Question 5

5.

A 1580-kg car is traveling with a speed of 15.0 m/s. What is the magnitude of the net force that is required to bring this car to a halt in a distance of 50.0 m? (Hint you have to find the time it takes to stop first. Remember that average velocity is half of the change in velocity.)

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Question 6

6.

When a 58-g tennis ball is served, it accelerates from rest to a speed of 45 m/s. The impact with the racket gives the ball a constant acceleration over a distance of 44 cm. What is the magnitude of the net force acting on the ball? (Careful the distance is in cm not in m and the mass is in g not kg)