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Vectors Representing Forces
A force can be represented by a vector (drawn as an arrow). The arrow's length is related to the size of the force and the arrow's direction shows you the direction of the force. If you have a stalled car and you are pushing on the back bumper with 200 Newtons of force, you show that force as an arrow pointing in the direction the car would move from your pushing.
If instead, you were pulling an elephant with 100 Newtons on his harness, you could show the force as an arrow (1/2 the length of the one pushing the car) in the direction you are trying to lead the elephant. If a mouse runs by and the elephant pulls back with 1000 Newtons of force that could be shown by an arrow (10x longer than your pulling force vector and pointing in the opposite direction) in the direction that the elephant is trying (and most likely succeeding) to move. The arrows can be drawn anywhere along the line connecting the elephant and you.
A pulley in the form of a uniform disk with a heavy rope hanging over it. The circumference of the pulley is 1.2m and its mass is2.2kg.The rope is 8.0m long and its mass is 4.8kg.A
Examples of unlike parallel forces
A rod follower AB is subjected to a vertical up and down movement while resting on a circular contour of radius 30cm of a cam.the cam moves to the right with a velocity of 5 cm/s a
the use and working principle of thermoelectric thermometer
Capacitance: If we increase the voltage between the plates, the charge increases, but the ratio of charge to voltage remains the same. This ratio gives the capacitance (C) of
It is based on the photovoltaic effect. One of the semiconductor regions is made so thin that the light incident on it reaches the p-n junction and gets absorbed. It changes solar
The characteristic of a body by virtue of which the body takes its real configuration when external deforming forces are removed is called as elasticity.
Why newton rings are circular?
Truck has a 100 kW engine power and 40 % efficiency . As oil burn in an hour if q = 4.4 to force multiplication 10 to 7 ?
In certain ranges of a piano keyboard, more than one string is tuned to the same note to provide extra loudness. For example, the note at 110 Hz has two strings at this frequency.
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