A student has a body mass of 175.5 pounds. He steps onto a scale holding a 25.0-pound barbell. Which of the following expresses the combined mass of the student and the barbell using the correct number of significant figures?

Q: Force is given by mass times acceleration. If the force on a body is 20N and its mass is 12kg, how…

A: As per answering the guidelines i can answer the 1st question only. Please repost the 2nd question…

Q: A crate is pushed across the floor with a force of 522 N. If the crate has a normal force of 758N,…

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Q: Two children pull on a sled in opposite directions, each pulling with a force of 53 N. What is the…

A:

Q: 2. If an object is described as weighing 6.20 grams, then is this the exact weight of the object? If…

A: Given, Mass of object, m=6.20 g=0.0062 kg

Q: Q1) A force of magnitude F forces act on the blocks. The block of mass m2 is connected by a massless…

A: Given data: Force, F=12.7 N m2=2.79 kg

Q: Barge By the two tugboats nown in the following figure. One tugboat pulls on the barge with a force…

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Q: Supply all missing information with the correct numerical values. Do not include the units. Round…

A: Given:      F1 = 15 N (due north)     F2 = 25 N (due northeast)

Q: A 1 000-kg car is pulling a 300-kg trailer. Together, the car and trailer move forward with an…

A:

Q: A force F, of magnitude 5.50 units acts on an object at the origin in a direction e = 46.0° above…

A: The horizontal component of the resultant force is

Q: Five forces acted on a 4.0 kg box shown below. We need to find the acceleration in unit vector…

A: Given, Forces, F1=20 N, F2=22 N, F3= 15 N, F4=12 N, and F5=17 N.

Q: A small car (mass 420 kg ) is pushing a large truck (mass 930 kg ) due east on a level road. The car…

A: Given value--- mass of Car = 420 kg. mass of Truck = 930 kg. force exerted by car on the truck =…

Q: 4. A change in the state of motion is evidence of  a. a force   b. an unbalanced force  c. a…

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Q: A 100 kg football player is traveling at 11 m/s when he is stopped in 0.1 seconds. What was the…

A:

Q: Which of Newton's three laws does the following situation illustrate? A guy pushes on a wall and…

A: A guy pushes the wall and feels the wall pushing back on him: In this case, Newton's third law of…

Q: Supply all missing information with the correct numerical values. Do not include the units. Round…

A:

Q: Supply all missing information with the correct numerical values. Do not include the units. Round…

A:

Q: Mr. A is pushing a cart with a force of F1 = 15.00 N due north. Mr. B is pushing the same cart with…

A: 1) The x-component of F1 is 0 and the y-component is 15.00. 2) The x-component of F2 is  17.68 ( 25…

Q: An NIU student is driving slowly down the street in a car at an acceleration of 8.44 m/s2. The car…

A: Given data *The acceleration of the car is a = 8.44 m/s2 *The combined mass of car and student is M…

Q: Have you ever noticed that objects have a tendency to resist changes in motion and just continue…

A: A person jumping out of a moving bus, falls forwards cyclist. It is due to the tendency of bodies to…

Q: F,-200 N F, = 150 N opoo F=90 N 60 45 Part A Determine the magnitude of the resultant force. (Figure…

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Q: An object with a mass of 1 kg weighs approximately 2 lb. Use this information to estimate the mass…

A: a) Mass of a baseball is mB = 145 g = 0.145 kg The order of magnitude of the mass of the baseball in…

Q: 1200 kg car is traveling eastward with a velocity of 10 m/s and an acceleration of -2 m/s2.…

A: before it start moving west it will come to rest.

Q: Supply all missing information with the correct numerical values. Do not include the units. Round…

A: Assume the co-ordinate axis in such a way that the north direction is the positive y-axis and the…

Q: Mr. One is pushing a cart with a force of F1 = 15.00 N due north. Mr. Two is pushing the same cart…

A: The components of force F1 can be written as F1x=0F1y=15.0 N                      1 The components…

Q: Newton's second law of motion states that the force acted on an object is equal to F = m•a. • F…

A: according to the newton's second law,  F=ma

Q: A force F, of magnitude 7.00 units acts on an object at the origin in a direction 0 = 37.0° above…

A: Consider the free-body diagram for the given force mechanism.

Q: A force F, of magnitude 5.10 units acts on an object at the origin in a direction 0 = 50.0° above…

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Q: The following statements are TRUE about Newton's Second Law of Motion EXCEPT:   Mass and…

A: We know, Newton's Second Law of motion: Force is equal to the rate of change of momentum that is for…

Q: Mubtahij and Yousef are standing on the ice facing each other. Mubtahji pushes on Yousef with a…

A: Write the given values with suitable variables. FA=70 NmM=50 kgmY=75 kg Here, FA, mM, and mY are the…

Q: A cat had a mass of 1000 kg and accelerates at 2 m/s^2. What bet force is exerted on the car?

A: Given data The mass of the car is m = 1000 kg. The acceleration of the cat is a = 2 m/s2.   The…

Q: Newton's Third Law of Motion 8. A horse pulls forward on a carriage with a given force. By Newton's…

A: The net force of friction by the ground on the (carriage +horse) system acts in the forward…

Q: 2) A pack of five Arctic wolves are exerting five different forces upon the carcass of a 391-kg dead…

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Q: A force  F1  of magnitude 7.10 units acts on an object at the origin in a direction θ = 53.0° above…

A: Write the x and y component of the force F1.

Q: A force 50 g cm h-2 acted on an object. How to find this force in SI units?

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Q: A truck hauls a car cross-country. The truck's mass is 4.00x103 kg and the car's mass is 1.60x103…

A: The acceleration of the car can be found out by

Q: A force F1 of magnitude 5.50 units acts on an object at the origin in a direction ? = 45.0° above…

A:

Q: QUESTION 2 Supply all missing information with the correct numerical values. Do not include the…

A: Given quantities: Force F1 = 15 N  , towards north Force F2 = 25 N , towards north-east  Assume a…

Q: Sue and Jenny kick a soccer ball at exactly the same time. Sue’s foot exerts a force of 57.5 N to…

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Q: mass in kilograms. 2. A child weighs 300 N. What is the child's mass in kilograms? In slugs? 3.…

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Q: Newton’s second law: Four forces are acting on an object of mass 10 kg as shown in the picture. What…

A: Along vertical direction net force is zero. The expression for the acceleration from Newton’s second…

Q: A boxer's fist and glove have a mass of m = 1.04 kg. The boxer's fist can obtain a speed of v = 9.25…

A: Given data : mass of the box m =1.04kg Velocity v = 9.25 m/s Time t = 0.21 seconds

Q: A leaf on a tree stars moving when the wind blows on it how is this an example of newton's first law…

A: Scenario: Leaves of tree are at rest and suddenly wind is encountered, as a result leaves start…

Q: When an airplane is in level flight, its weight is balanced by a vertical “lift,” which is a force…

A: Consider the free body diagram of the airplane. Here, M is the mass of the airplane and v is its…

Q: A 5,188 N force acts on a 1,985 kg car initially at rest for 7.7 seconds. How far did the car travel…

A: force (f) = 5188 N Mass of car (m) = 1985 kg initial speed (u) = 0 mstime (t) = 7.7 seconds

Q: A truck collides with a car, and during the collision, the net force on each vehicle is essentially…

A: Write the given values with the suitable variables. m1=850 kgm2=2750 kga2=14 m/s2 Here, m1, m2, and…

Units and Dimensions

These are generally defined as the terms which precede or describes the dimensions further. These are also further divided into two parts namely fundamental units and the derived units.