Explanation:
work done =force *distance
work done =17000*26
work done=442,000 joules.
Answer:
The density will be 0.65 kg/m3
I think it won't float!! I am not sure though.
Answer:
μ = 0.161
Explanation:
Since the tension on the rope (F) is being applied at an angle (θ), it should be decomposed into a vertical and a horizontal component.
The vertical component of the tension on the rope (F*sin(θ)) is pulling the sled upwards, decreasing the normal force.
Therefore, the normal force can be calculated as:
The horizontal component of the tension on the rope (F*cos(θ)) is the force being applied to move the sled and that should equal the coefficient of friction multiplied by the normal force.
the coefficient of friction between the sled and the ground is 0.161
Answer:
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Explanation:
The displacement from point A to point B is the length of the shortest path between them along with the direction from A to B.
Choice D