Find the pressure exerted on the floor by each leg
A 77 kg person sits on a 3.5 kg chair. Each leg of the chair makes contact with the floor in a circle that is 1.7 cm in diameter. Find the pressure exerted on the floor by each leg of the chair, assuming the weight is evenly distributed.
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In a factory, a car is lifted by a force of 5.6kN on each tire. The car accelerates upwards at 0.5m/s^2. Determine the net force and mass of the car
what is the direction of the chickens acceleration? opposite the direction of motion or along the direction of motion how far did the chicken slide in meters?
A 1500-kg car moving north at 27.0 m/s is struck by a 2165-kg car moving east at 18.0 m/s. The cars are stuck together. How fast and in what direction do they move immediately after the collision?
A golf ball with an initial angle of 34? lands ex- actly 183 m down the range on a level course. The acceleration of gravity is 9.81 m/s2 . a) Neglecting air friction, what initial speed would achieve this result?
A rope applies a horizontal force of 180 N to pull a crate a distance of 2 m across the floor. A frictional force of 60 N opposes this motion.
The child is acted on by his weight, the normal force from the slide, kinetic friction, and a horizontal rope exerting a 30 Newton force. How large is the normal force of the slide on the child?
A certain car battery with a 12.0 V emf has an initial charge of 170 A·h. Assuming that the potential across the terminals stays constant until the battery is completely discharged, for how long in hours can it deliver energy at the rate of
A tube of radius 5 cm is connected to tube of radius 1 cm as shown above. Water is forced through the tube at a rate of 10 liters/min. The pressure in the 5 cm tube is 1×105 Pa. The density of water is 1000 kg/m3. Assume that the water is no
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