1 / 8

2 nd Law problems

2 nd Law problems. Class and Homework. Question 1. A monkey pushes a 17kg go-kart with a force of 260 N. No other force affects motion. What is the acceleration of the cart?. Q2. A 27 kg ball in free fall on earth? What is net force? What is the acceleration?

Download Presentation

2 nd Law problems

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. 2nd Law problems Class and Homework

  2. Question 1 A monkey pushes a 17kg go-kart with a force of 260 N. No other force affects motion. What is the acceleration of the cart?

  3. Q2 A 27 kg ball in free fall on earth? What is net force? What is the acceleration? What would be the acceleration of the ball if at a point of time during the fall, there is 20 N of air resistance applied to it?

  4. Q3 A 27 kg ball rolling on level smooth ground, being pushed by a 5 N force. What does the word smooth indicate? Draw a F.B.D, and determine the value of all forces on ball. What is the net force on ball? What is the acceleration of object?

  5. Q4 Rolling a 27 kg ball on a rough level surface that generates a constant 3 N of friction. The forward push of the ball is 5N. What is the net force? What is the acceleration?

  6. Q5 A 2789 kg helicopter accelerates upward at 2.5 m/s2. What is the lift force exerted by the air on the propellers? What would be the new lift force on the helicopter if a 500 kg jeep was attached to it and it still accelerates upward at 2.5 m/s2?

  7. Q6 A 4500kg car moves down a level highway at 20 m/s. If 1300 N of force pushes it forward and a 650 N resistance (friction and air resistance combined) pushes backward on object, find the following… The acceleration of object How fast object travels after 1 minute How far it travels after 1 minute.

  8. Q7 Nicole slows down in her BMW from 15 m/s to 3 m/s in 42 seconds. What is the mass of her car if the net force on it is 7312 N?

More Related