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Q. A truck loaded with sand accelerates along a highway. If the driving force stays the same on the truck, what happens to the truck's acceleration if its trailer leaks sand at a constant rate through a hole in the bottom?
Ans.
If the force stays the same, but the mass steadily decreases then the acceleration must increase (F = ma)
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a small block of weight 10 Ib is placed on an inclined plane which makes an angle of 30 degree with the horizon. resolve the gravitational force.
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