Physics Physics Practice Problems Solutions Library

Forces in 2D Solutions Library

Access 17 Forces in 2D video and text solutions to help you complete your homework. Need to revisit the concept? Watch our Forces in 2D learn videos.

Browse Solutions

17 solutions

Forces in 2D

Q. The upper leg muscle (quadriceps) exerts a force of 1250 N, which is carried by a tendon over the kneecap (the patella) at the angles shown in Figu...

Solved • Jul 15, 2020

Forces in 2D

Q. A nurse pushes a cart by exerting a force on the handle at a downward angle 35° below the horizontal. The loaded cart has a mass of 28.0 kg, and th...

Solved • Jun 2, 2020

Forces in 2D

Q. The figure shows three ropes tied together in a knot. One of your friends pulls on a rope with 3.0 units of force and another pulls on a second rop...

Solved • Jun 2, 2020

Forces in 2D

Q. Two forces F1 and F2 with magnitudes 100 newtons and 120 newtons, respectively, act on an object at point P as shown in the figure (not to scale). ...

Solved • May 15, 2020

Forces in 2D

Q. Draw the most appropriate set of coordinate axes for this problem (Figure 1 below).

Solved • May 5, 2020

Forces in 2D

Q. Riders on the Power Tower are launched skyward with an acceleration of 4g, after which they experience a period of free fall. (Figure 1)Part AWhat ...

Solved • Apr 29, 2020

Forces in 2D

Q. Your car is accelerating to the right from a stop.draw free-body diagram.normal force, weight, drag, force of friction on car, all acting on it.

Solved • Apr 28, 2020

Forces in 2D

Q. A skydiver has his parachute open and is floating downward through the air at a constant speed.Identify all the forces acting on the system skydive...

Solved • Apr 24, 2020

Forces in 2D

Q. (A) A 20-kg loudspeaker is suspended 2.0 m below the ceiling by two ropes that are each 30° from vertical.Find the value of T, the magnitude of the...

Solved • Apr 24, 2020

Forces in 2D

Q. A chandelier hangs h 0.98 m down from two chains of equal length. The chains are separated from one another by a length L = 0.85 m at the ceiling. ...

Solved • Apr 24, 2020

Forces in 2D

Q. The forces in (Figure 1) are acting on a 3.0-kg object.What is ax, the x-component of the object's acceleration?Express your answer to two signific...

Solved • Apr 9, 2020

Forces in 2D

Q. A 20 N crate is held at rest on an incline by a rope that is parallel to the incline as shown on the figure to the right. The incline is 30° above ...

Solved • Mar 25, 2020

Forces in 2D

Q. An object will have constant acceleration if...(Select the most general response.)a) there are no forces at all acting on it.b) the net force actin...

Solved • Mar 17, 2020

Forces in 2D

Q. A 6 kg object hangs at one end of a rope that is attached to a support on a railroad boxcar. When the car accelerates to the right, the rope makes ...

Solved • May 24, 2017

Forces in 2D

Q. Seven forces of equal magnitude (28 N) act on a 18 kg object as shown. What is the magnitude of the acceleration of the object? 1. 2.16667 2. 1.5...

Solved • May 24, 2017

Forces in 2D

Q. Three forces act on a 2 kg mass: a 5 N forces along the -x axis, a 2 N force along the +y axis, and a 7 N force 40o above the +x axis. a) What is t...

Solved • May 9, 2017

Forces in 2D

Q. Three forces act on a mass: a 15 N force along the +x axis, a 10 N force acting 10o above the -x axis, and a 12 N force acting 40o below the +x axi...

Solved • May 9, 2017