A force does +180 J of work when it acts on a moving object and its direction is in the same direction as the object’s displacement. How much work does this force do when the angle between it and the object’s displacement is 56°? W =
Answer
A force does +180 J of work when it acts on a moving object and its...
A 10.0 N force does +5.00 J of work on a 2.00 kg object. The displacement of the object during this time is 3.00 m. What is the angle between the force and the displacement vector?
A force of 39 N acts on an object at an angle of 30 degrees above the horizontal. How much work does the force do if the object slides 22 m
A force F = (3x i + 4y j) N acts on an object as it moves in the x direction from the origin to x = 4.95 m. Find the work done on the object by the force.
Work Done by Normal Force Consider an object sliding along the surface shown below. Choose and show a direction of motion for the object and show the direction of the normal force. Use this figure to do the scalar product given below. oM bns av W, n-s Is the work done by the normal force exerted between two colliding objects also zero? Explain. Work Done by Weight Unlike the normal and kinetic friction forces, the direction of an object's motion...
Force one shown below acts on an object. Force two is also applied to the object to yield a net force on the object shown below. What angle does force two make with the positive x-axis. F1 = (30.0 N)i + (-40.0 N) Ënet = (50.0 N) 63.40 1.69.2° OC 73.10 Od: 75.00 QUESTION 11 A two-man bobsled team and their bobsled have a combined mass of 390 kg. Starting from rest, the team does 28,460 J of work on...
#8
2. Consider the force F shown in the drawing. This force acts on an object that can move along the F positive or negative x axis, or along the positive or negative y axis. The work done by this force is positive when the displacement of the object is along the axis: (a)-x, -y (b)-x, +y (c) +x, +y circular pat What enabl is above po by the tens energy gravitation axis or along the Section 6 and the...
When a constant force acts upon an object, the acceleration of the object varies inversely with its mass. When a certain constant force acts upon an object with a massive 26 kg the acceleration of the object is 3 m/s^2. This is the same force acts upon another object with mass is 39 kg what is the objects acceleration.
10-11
10.In addition to force, one other necessary condition for work to be done is: A. weight B. motion in the direction of the force C. acceleration D. friction 11.A constant force does maximum negative work on an object when the angle between the force and the displacement is: A. 0° B. 45° C. 90° D. 180°
WEEK 3, QUESTION 1 Recall: by definition work done by a force after moving an object through displacement AF.s W-F.AF. Electric force F (3.00 4.00j) x 103N moves a charge q2.0 mC through a distance d (1.01 + 1.0) cm. What is the work done by the electric field? A) W 10J B) W10 D) W 1.0 J
A force F = (3yi -2x2yj) newtons acts on a object that moves in a straight line directly from the origin to the point p = (2i + 4j) meters. How much work does the force do on the object during this process?