Physics Physics Practice Problems Solutions Library

# Forces in 2D Solutions Library

Access 19 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.

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19 solutions

Forces in 2D

#### Q. You want to move a heavy box with mass 30.0 across a carpeted floor. You pull hard on one of the edges of the box at an angle 30 above the horizont...

Solved • Nov 3, 2020

Forces in 2D

#### Q. Three forces of magnitudes F1=4.0N, F2=6.0N, and F3=8.0N are applied to a block of mass m=2.0kg, initially at rest, at angles shown on the diagram....

Solved • Jul 16, 2020

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. Suppose your car was mired deeply in the mud and you wanted to use the method illustrated in Figure 4.37 to pull it out. (a) What force would you h...

Solved • Jul 14, 2020

Forces in 2D

#### Q. There are four body diagrams, and rank them according to the magnitude of the net force. From smallest to largest.

Solved • Jul 14, 2020

Forces in 2D

#### Q. Which set of coordinate axes is the most convenient to use in this problem?

Solved • May 26, 2020

Forces in 2D

#### Q. The diagram below shows a block of mass m = 2.00 kg on a frictionless horizontal surface, as seen from above. Three forces of magnitudes F4.00 N, F...

Solved • May 21, 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. 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. In April 1974, John Massis of Belgium managed to move two passenger railroad cars. He did so by clamping his teeth down on a bit that was attached ...

Solved • Nov 27, 2019

Forces in 2D

#### Q. Two snowcats in Antarctica are towing a housing unit to a new location, as shown in the figure. The sum of the forces FA and FB exerted on the unit...

Solved • Oct 29, 2018

Forces in 2D

#### Q. At the instant a race began, a 66-kg sprinter exerted a force of 987 N on the starting block at a 41° angle with respect to the ground.(a) What was...

Solved • Oct 29, 2018

Forces in 2D

#### Q. The figure shows the horizontal forces acting on a sailboat moving north at constant velocity, seen from a point straight above its mast. At the pa...

Solved • Oct 29, 2018

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 40° 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