Physics Physics Practice Problems Solutions Library

Vertical Forces & Acceleration Solutions Library

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12 solutions

Vertical Forces & Acceleration

Q. Look at this applet. It shows an elevator with a small initial upward velocity being raised by a cable. The tension in the cable is constant. The e...

Solved • May 21, 2020

Vertical Forces & Acceleration

Q. Two crates, A and B are in an elevator as shown. The mass of crate A is greater than the mass of crate B. As the elevator approaches its destinatio...

Solved • May 1, 2020

Vertical Forces & Acceleration

Q. Two crates, A and B, are in an elevator as shown. The mass of crate A is greater than the mass of crate B. As the elevator approaches its destinati...

Solved • Apr 28, 2020

Vertical Forces & Acceleration

Q. An ascending elevator, hanging from a cable, is coming to a stop.a. Draw a free-body diagram of the object.b. Draw the vectors starting at the blac...

Solved • Apr 24, 2020

Vertical Forces & Acceleration

Q. The upward normal force exerted by the floor is 620 N on an elevator passenger who weighs 650 N. What is the magnitude of the acceleration?

Solved • Apr 10, 2020

Vertical Forces & Acceleration

Q. The figure shows the velocity graph of a 75 kg passenger in an elevator.1) What is the passenger's apparent weight at t = 1.0 s?2) What is the pass...

Solved • Mar 24, 2020

Vertical Forces & Acceleration

Q. A 6 kg bucket of water is being pulled straight up by a string at a constant speed.(a) What is the tension on the string?(b) At a certain point, th...

Solved • Mar 18, 2020

Vertical Forces & Acceleration

Q. A 55-kg person steps on a scale in an elevator. The scale reads 460 N. What is the elevator doing?[A] The elevator is in free fall.[B] None of thes...

Solved • Jun 6, 2017

Vertical Forces & Acceleration

Q. What should be the acceleration of an elevator that makes you feel weightless? Assume that the positive y-axis points up.

Solved • May 25, 2017

Vertical Forces & Acceleration

Q. Consider a man standing on a scale which is placed in an elevator. When the elevator is stationary, the scale reading is his weight W. Find S, the ...

Solved • May 24, 2017

Vertical Forces & Acceleration

Q. In an elevator with a downward acceleration, the normal force acting on a box of mass m resting on the elevator floor is A) equal to mg. B) less ...

Solved • Jan 16, 2017

Vertical Forces & Acceleration

Q. A skydiver feels "weightless" during free fall because A) there is no normal force acting on the skydiver during the free fall. B) there is no gr...

Solved • Jan 16, 2017