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If I have a bar of length 2d that is supported on a peg at a distance 3/2d from the left end of the bar and I place a force of F in the downward direction at a point d/4 from the right end.
a. Is the resulting torque positive or negative?
b. What is magnitude of torque of force F?
c. What is the torque of the force (direction and magnitude).
Three blocks, each of mass 12 kg are on the frictionless table. A hand pushes on the left most box (A) such that the three boxes accelerate in the positive horizontal direction as shown at a rate of a = 1.1 m/s2. What is the net horizontal force on b..
A 1200 kg car pushes a 2200 kg truck that has a dead battery . When the driver stes on he accelerator, What is the magnitude of the force of the car on the truck
A 31.0 omegacap.gif resistor and an 16.0 omegacap.gif resistor are connected in series across a 15.0 V battery. What is the voltage out of the battery
Soft drinks are commonly sold in aluminium containers. How a lot of such containers are thrown away or recycled each year by U.S. consumers.
The image behind a convex mirror (radius of curvature = 74 cm) is located 22 cm behind the mirror. What is the magnification of the mirror?
Suppose that the separation between two speakers A and B is 3.20 m and the speakers are vibrating in-phase. They are playing identical 121-Hz tones and the speed of sound is 343 m/s. An observer is seated at a position directly facing speaker B in..
1.travelocity would like to estimate the current average domestic airfare. the following data shows the airfares for 24
A man drags a 74.0-kg crate across the floor at a constant velocity by pulling on a strap attached to the bottom of the crate. Find the magnitude of the tension in the strap
A dragster starts from rest and accelerates down a track. Each tire has a radius of 0.320 m and rolls without slipping. determine the linear speed of the dragster
Calculate g for space shuttle territory. A 7.0×10-2-{rm kg} toy airplane is tied to the ceiling with a string. When the airplane's motor is started, it moves with the constant speed of 1.30 m/s in a horizontal circle of radius 0.47 m.
A motorcycle and rider have a total mass equal to 305 kg. What is the net force on the motorcycle
A 78 kg circus performer jumps from a 4.20 m height onto a trampoline and stretches it downward 0.3m. suppose that the trampoline obeys Hooke's law.
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