You are walking down the street with your palm of your hand facing upwards and a book on your palm like a weirdo. You are walking towards the right while speeding up. While of the following unlabeled force diagrams best represents the forces exerted on the book?
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- A 8.2 kg object undergoes an acceleration of 1.2 m/s2. (a) What is the magnitude of the resultant force acting on it? N(b) If this same force is applied to a 4.9 kg object, what acceleration is produced? m/s2Two blocks rest on a frictionless surface as shown. The slope part has an angle of 40◦(A) Draw freebody diagrams for both objects.(B) Write out an equation for the acceleration of the lighter block. Leave all unknowns as letters and put in numerical values for all terms that you can.(C) Write out an equation for the acceleration of the heavier block. Leave all unknowns as letters and put in numerical values for all terms that you can.(D) Would it be possible to solve the system of equations you have written in parts (B) and (C) to find the acceleration? (If you have done everything correctly, it will be possible, but this question is asking about the equations you have written out. If you have done something incorrectly, you can get credit for realizing it.) You do not have to solve this system of equations.A mother and her 5-year old daughter are ice skating. While at rest, they face each other then push off eachother with their hands, sending them in opposite directions. Assuming the mother weighs much more than thedaughter, what motion results? The mom accelerates faster because she could push with more force. The little girl accelerates faster because her mom pushed her with more force. They both accelerate at the same rate because their forces are equal and opposite. Although the forces are equal and opposite, mom has more inertia. Hence momtravels slower than the daughter
- A 1200 kg speedboat is travelling East at a constant speed of 30 m/s. A 50 kg rowboat is travelling West at a constant speed of 5 m/s. Which boat has the greater net force on it? Explain using physical reasoning.When you are in a car's passenger seat (on the right –US car), and the driver turns left, you are thrown against the car door. Your little nephew says there is a force pushing you out of the car. Explain what is really happening, using good physics.I have tried 16.7x10^3, 16.7x10^4, and 1.365x10^8 and those are all wrong for the first part. I know that the second part is 14.3 hr. I need to know the km/s. Thank you!!
- A 7.9 kg object undergoes an acceleration of 2.5 m/s2. (a) What is the magnitude of the resultant force acting on it? N (b) If this same force is applied to a 4.7 kg object, what acceleration is produced? m/s2A 8.7 kg object undergoes an acceleration of 1.3 m/s2. (a) What is the magnitude of the resultant force acting on it? N (b) If this same force is applied to a 5.2 kg object, what acceleration is produced? m/s2