An upward force of 322 N is applied to a 15 kg object.
An upward force of 322 N is applied to a 15 kg object. If a downward drag force of 31 N acts on the object what is the acceleration of the object? g = 10 m/s2
Homework Answers
Question 13 1 pts A horizontal force of 5 N accelerates a 4-kg object from rest...
Question 13 1 pts A horizontal force of 5 N accelerates a 4-kg object from rest at 0.5 m/s2. What friction force acts on the object? +3N -3N O+2N 0-2N Question 14 1 pts An object that is acted upon by a net force of 20 N is moving with an acceleration of 10 m/s2 What is the mass of the object? O2 kg O 20 kg O 0.2 kg 10 kg Question 15 1 pts A person weighing 823...
The tension in a string from which a 4.0-kg object is suspended in an elevator is...
The tension in a string from which a 4.0-kg object is suspended in an elevator is equal to 44 N. What is the acceleration of the elevator? Select one: a. 2.4 m/s2 downward b. 1.2 m/s2 upward c. 11 m/s2 upward d. 10 m/s2 upward e. 1.2 m/s2 downward
The impulse of an object is 1 a. the product of (the peak force applied to...
The impulse of an object is 1 a. the product of (the peak force applied to an object) x (time interval during which the force acts). 2 b. the product of (the average force applied to an object) x (time interval during which the force acts). 3 c. the average force applied to an object for a period of 1 sec. 4 d. the peak force applied to an object for a period of 1 sec. 5 e. the total...
QUESTION 5 A centripetal force of 150 N acts on an 800 kg satellite moving with...
QUESTION 5 A centripetal force of 150 N acts on an 800 kg satellite moving with a speed of 4,500 m/s in a circular orbit around a planet. What is the acceleration of the satellite in m/s2? 0.19 m/s2 0.24 m/s2 0.30 m/s2 0.21 m/s2 QUESTION 6 An airplane has a mass of 4,800 pounds. If a force of 130,000 N is applied, what is the acceleration is g's? 5.8 g 5.0 g 4.5 g 6.1 g QUESTION 7 Static...
Suppose a 2 kg object is falling through the air and accelerating downwards at 8 m/s2....
Suppose a 2 kg object is falling through the air and accelerating downwards at 8 m/s2. Taking g = 10 m/s2 What is the magnitude and direction of the force of air resistance on it? 2N downward 2N upward 1N downward 1N upward
If the same force is applied on two objects of masses 10 kg and 18 kg...
If the same force is applied on two objects of masses 10 kg and 18 kg and the acceleration of the object of the smaller mass is 54 m/s2, what is the acceleration of the larger object? 4. . Extra Credit: Two objects are attached to the ends of a string and placed over a pulley. If the masses of the objects are 16 kg and 30 kg, what is the acceleration of the system and the tension of the...
A 7.1 kg object experiences an acceleration of 3.2 m/s2. (a) What is the magnitude of...
A 7.1 kg object experiences an acceleration of 3.2 m/s2. (a) What is the magnitude of the resultant force acting on it (in N)? (b) If this same force is applied to a 4.3 kg object, what is the magnitude of the acceleration (In m/s2)? m/s2
A 1.9 kg object hangs from a string. If you are pulling upward on the string...
A 1.9 kg object hangs from a string. If you are pulling upward on the string with a force of 13 Newtons, determine the acceleration of the object, in m/s2. Choose up to be positive direction, and indicate the direction of the acceleration with an appropriate sign.
A force of 550 Newtons to the right and another force of 425 Newtons upward are...
A force of 550 Newtons to the right and another force of 425 Newtons upward are applied on a 40 kg object perpendicular to each other. What is the magnitude of the net force on this object and its acceleration? 682.07 N, 17.38 m/s^2 695.07 N, 16.24 m/s^2 635.20 N, 15.88 m/s^2 695.07 N, 17.38 m/s^2 712.80 N, 17.82 m/s^2
(a) An elevator of mass m moving upward has two forces acting on it: the upward force of tension in the cable and the d...
(a) An elevator of mass m moving upward has two forces acting on it: the upward force of tension in the cable and the downward force due to gravity. When the elevator is accelerating upward, which is greater, T or w? T w Both forces are equal. (b) When the elevator is moving at a constant velocity upward, which is greater, T or w? T w Both forces are equal. (c) When the elevator is moving upward, but the acceleration...
Question 13 1 pts A horizontal force of 5 N accelerates a 4-kg object from rest at 0.5 m/s2. What friction force acts on the object? +3N -3N O+2N 0-2N Question 14 1 pts An object that is acted upon by a net force of 20 N is moving with an acceleration of 10 m/s2 What is the mass of the object? O2 kg O 20 kg O 0.2 kg 10 kg Question 15 1 pts A person weighing 823...
The tension in a string from which a 4.0-kg object is suspended in an elevator is equal to 44 N. What is the acceleration of the elevator? Select one: a. 2.4 m/s2 downward b. 1.2 m/s2 upward c. 11 m/s2 upward d. 10 m/s2 upward e. 1.2 m/s2 downward
The impulse of an object is 1 a. the product of (the peak force applied to an object) x (time interval during which the force acts). 2 b. the product of (the average force applied to an object) x (time interval during which the force acts). 3 c. the average force applied to an object for a period of 1 sec. 4 d. the peak force applied to an object for a period of 1 sec. 5 e. the total...
If the same force is applied on two objects of masses 10 kg and 18 kg and the acceleration of the object of the smaller mass is 54 m/s2, what is the acceleration of the larger object? 4. . Extra Credit: Two objects are attached to the ends of a string and placed over a pulley. If the masses of the objects are 16 kg and 30 kg, what is the acceleration of the system and the tension of the...
A 7.1 kg object experiences an acceleration of 3.2 m/s2. (a) What is the magnitude of the resultant force acting on it (in N)? (b) If this same force is applied to a 4.3 kg object, what is the magnitude of the acceleration (In m/s2)? m/s2
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