Example 3:Calculating theimpact force of a falling object, without taking into account air friction. Let's say there is a 250 kg piano hanging 5 stories high or about 15.5 meters and we drop it on hard concrete. What is the impact force, if we measure that the collision pulse is about...
Working out the impact force when the object bounces afterward is a lot more difficult. The force is equal to the rate of change of momentum, so to do this you need to know the momentum of the object before and after the bounce. By calculating the change in momentum between the fall an...
When thinking about the impact force of a falling object, you can calculate the energy of the object at its point of impact if you know the height from which it was dropped. This type of energy is known as gravitational potential energy and it is equal to the object's mass multiplied by...
Calculate the velocity of the object at the moment of impact according to v = gt. For the example given in Step 1, v = 9.81 m/s^22.35 s = 23.1 meters per second, m/s, after rounding. Or, in English units, v = 32 ft/s^2 * 2.35 s = 75.2 feet per second, ft/s. Step 3 ...
Shock load is the term used to describe the sudden force exerted when an object suddenly accelerates or decelerates, such as when a falling object hits the ground, a fastball strikes a catcher's glove or a diver begins to leap off a diving board. This force is exerted on both the moving...
A body falling from rest covers distances s1 and s2 in the first and second seconds respectively. Calculate the ratio s1/s2. Free Fall Motion: When an object is released freely in the air, the object follows the free fall motion due to th...
A ball, of mass 8kg, falls from rest, from a height of 100m. Neglecting air resistence, calculate the total energy after falling a distance of 40m. A 5.0-kg rock falls off of a 10-m cliff. If air resistance exert...
A ball of mass {eq}8 \ kg {/eq} falls from a height of {eq}100 \ m {/eq}, neglecting air resistance. calculate its total energy after falling a distance. Gravitational Potential Energy: The gravitational potential energy of an obje...
Any force with the property that work done in moving any particle/object from one position to other doesn't depend upon the path taken but only on the initial and final positions of the object is called conservative force. ...
Mechanical Energy is the energy associated with forces. It consists of the potential energy, which depends on the position of the object, and kinetic energy, which depends on the state of motion of the object. Under the presence...