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Does the work done in moving a body depend on how fast or how slow the body is move?
No, the work done in moving a body does not depend on how fast or slow the body is moving. The work done is determined by the force applied and the distance over which the force is applied, not the speed of the body.
Is it possible to stop a fast moving automobile instantaneously give reason?
No, it is not possible to stop a fast-moving automobile instantaneously. This is because it takes time for the brakes to apply force and for the vehicle's momentum to be reduced to zero. Additionally, the sudden stop could lead to skidding, loss of control, or damage to the vehicle.
What is a fast moving stream called?
A fast-moving stream is called a river or a torrent.
What is the name of air moving very fast?
Air moving very fast is typically referred to as "wind."
Which would experience more air resistance -a streamlined car travelling slowly or a lorry travelling fast?
A lorry travelling fast would experience more air resistance due to its high speed and larger surface area compared to a streamlined car travelling slowly. The faster an object moves through the air, the greater the resistance it encounters.
