Grade 7 PHysIC33 Force and Newton's Law of MotionReview Questions and ProblemsL Fill in the blank spaces with the appropriate word(s).1. The cause for the change in the state of rest or motion of anobject is2. According to Newton's 2nd law of motion, force is the productof3. Action and reaction forces are alwaysandin magnitudeandin direction.4. The pull of gravity on a 1 kg body on the surface of the earthisNewton.5. The gravitational force with which the earth attracts a bodyis calledII. Short answer questions

Answer (1) lnertia Answer (2) Mass and Velocity Answer (3) Equal and Opposite Answer (4) 9.8…

Grade 7 PHysiC3 Review Question 1. Fill in the blank spaces with the ap 1. The cause for the change in the object is 2. According to Newton's 2nd law of and 3. Action and reaction forces are a and in direction. 4. The pull of gravity on a 1 kg boe is Newton. 5. The gravitational force with whi is called A II. Short answer questions

Grade 7 PHysiC3 Review Question 1. Fill in the blank spaces with the ap 1. The cause for the change in the object is 2. According to Newton's 2nd law of and 3. Action and reaction forces are a and in direction. 4. The pull of gravity on a 1 kg boe is Newton. 5. The gravitational force with whi is called A II. Short answer questions

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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During a high speed chase, a fast running mouse collided with an elephant . The mouse rolled back after the collision. Using Newton's third law to explain the following. A. Why does the mouse roll back? B. Does the elephant have acceleration after the collision? If there is in what direction?
Directions: Write TRUE is the statement is correct but if it is false, change the underlined words with the correct answer. 1. A force is a push or pull 2. Force is a galar quantity 3. The unit of force is Newton (N) 4. In general, a body can have several forces acting on it at the same time 5. Inertial frame of reference are reference frame where Newton's First law are observable. 6. Another effect of a balanced force, equilibrium, is that a body accelerates. 7. The heavier the object, the lesser the inertia. 8. Forces acting on a body are unbalanced if the resultant force is not zero 9. In an inertial reference frame, No forces should be exerted within the frame. 10. Normal force is lateral in nature. П. Identify Action Reaction Pairs A student in hot air balloon ascends vertically at a constant speed. Consider the four forces in this situation: Fl= the weight of the baloon F2= the weight of the student F3= the force of the student pulling on the earth F4= the support force of the…
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Mr. Vollmayer pulls his children (21kg and 24kg) on a sled (5kg). The force of friction on the sled is 60N and he pulls horizontally with 65N. a. What is the normal force on the sled?b. What is the acceleration of the sled?c. How fast will they be moving in 60s if they started from rest?d. How far will they go in this time?
This is a Dynamic of Rigid Bodies subject. The 300-N block shown in the figure below is at rest on the rough horizontal plane before the force P is applied at t=0. The force P = 80t, where ‘P’ is in Newtons and ‘t’ is in seconds. a. What is the time in seconds, when the block starts to slide?b. What is the velocity of the block after 5 seconds?c. What is the distance travelled by the block after 5 seconds?d. Draw the S-t and V-t graph.
Free Response Questions ou push a grocery cart at an angle, down and to the left. The cart accelerates along a level floor in the prestince of friction effects between the cart and the floor. Draw force diagrams for you, the cart, and the floor/earth. Fully label all vectors. a. you floor/Earth cart b. While you are making the cart speed up, how does the size of the force you apply on the cart compare to the size of the force the cart exerts on you? Explain by referencing Newton's Laws c. While you are making the cart speed up, how does the size of the frictional force on the cart by the floor compare to the force applied on cart by you? Explain by referencing Newton's Laws While you are making the cart speed up, how does the size of the frictional force on the cart by the floor compare to the frictional force on you by the floor? Explain by referencing Newton's Laws Identify & list all of the Newton's Third Law pairs in your force diagrams.
I have 3 questions for a lab I need help with, I need to submit it in 5 hours, please help
Above a plane inclined 15o is a cart with weight connects to a bucket with weight w2. Assume that there is no friction on the plane and the mass of the rope is negligible. The system moves with constant speed. a. Draw the free-body diagram of the cart and the bucket. b. Write the equations of motion (x-axis) for the cart and (y-axis) for the bucket. c. If the mass of the bucket is 1.5kg. What is the weight of the cart?
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