A crate is sliding down an inclined ramp at a constantly speed of 1.0 m/s. The n

Question

A crate is sliding down an inclined ramp at a constantly speed of 1.0 m/s. The net force on this crate must point up the ramp. perpendicular to the ramp. vertically downward. down the ramp. None of the above choices is correct. You push on box G that is next to box H, causing both boxes to slide along the floor, as shown in the figure. The reaction force to your push is the upward force of the floor n box G. the acceleration of box G. the push of box H on box G. the push of box G on box H. the push of box G against you. A 40.0-kg person steps on a scale in an elevator. The scale reads 430 N. What is the magnitude of the acceleration of the elevator?

Explanation / Answer

its speed is constant so net force along the ramp will be zero

so force should be perpendicular to ramp so it has no effect on velocity

the answer will be B

Q2

it is action - reaction so it should be by block G on you

answer E

Q3

scale reading = 430 = m( g+a) if going upward

430 = 40( 9.8+ a)

a = 0.95 m/s^2

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