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Not really. Neglecting air resistance just makes it easier to solve equations and grasp concepts. If one were to actually be collecting data from your experiment, they would have to take in air resistance, especially if the object's cross section were high and/or density was low.
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What is The law that states the effort force times the distance the effort moves is equal to the resistance times the distance the resistance moves?
At each end, (the force) x (the distance) defines the quantity of work, or energy. They're known to be equal because of the law of conservation of energy.
Does an object dropped from a building reach the halfway point of its fall in half the time it takes it to drop?
It depends. Gravity constantly accelerates an object until the force of wind resistance is equal to the force of gravity. Each case is different. If we lived in a world with no air, the answer would be yes.============================================If you neglect air resistance ... which we always do when we discuss gravity and falling objects ... then the answer is a resounding NO.To travel half the distance in half the time means that the speed is constant; that is exactly NOT true when something falls on account of gravity.Falling on account of gravity and neglecting air resistance, the time required to fall half the distance is [ 1/2 sqrt(2) ] times the duration of the total fall = about 70.7% of the total time.
Define Inclined Plane?
The inclined plane is a plane surface set at an angle, other than a right angle, against a horizontal surface. The inclined plane permits one to overcome a large resistance by applying a relatively small force through a longer distance than the load is to be raised.
What does depth of field mean?
depths of Field means The range of distance along the axis of an optical instrument which the object will produce a relatively distinct image
How do you calculate the falling time of a parachute?
You apply gravity (a= -9.8 m/s squared), the weight of the parachuter, the delta x (change in distance) and the air resistance of the parachute.
