5. A crate with a mass of 30 kg rests on a floor. On top of the crate stands a 45-kg girl. What is the normalforce exerted on the crate by the floor? [Ans6. A person stens hosinontay off the Tool of a single-story house that is 3.1 m high. When his feet hit thehis knees alto aOEL OYCT this distance?ston

Answered: Image /qna-images/answer/c061368d-bf9a-4895-8665-c201d38428bb.jpg

Answered: 5. A crate with a mass of 30 kg rests…

5. A crate with a mass of 30 kg rests on a floor. On top of the crate stands a 45-kg girl. What is the normal force exerted on the crate by the floor? [Ans D Deadn am I SLÁ asnsod S

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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A block is lifted by a plane inclined 20 ° with respect to the horizontal by means of a force F that makes an angle of 30 ° with the plane. What are the magnitude of F and the value of Fy ’if the component Fx’ parallel to the inclined plane is 8 N? a) 9.23 N and 4.61 N, respectively b) 12.44 N and 9.53 N, respectively c) 7.51 N and 2.91 N, respectively d) 4.61 N and 9.23 N, respectively
Calculate the normal force acting on the 3kg crate.
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What is the direction of the normal force F y on the crate from the wall? O Horizontal, towards you O Upward Downward Horizontal, away from you
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MY NOT A 19.0 Ib box is placed on the ground. (a) What force (in Ib) does the ground exert on the box? magnitude Ib direction -Select-- (b) A cord is attached to the box and run through a pulley directly above the box, so that the cord is vertical. The free end of the cord is then connected to a hanging weight. Calculate the force exerted by the ground on the box (in Ib), if the hanging weight is 12.0 lb. magnitude Ib direction --Select-- (c) A 37.5 Ib weight is substituted for the 12.0 Ib weight. Calculate the new force (in Ib) exerted by the floor on the box. magnitude lb direction ---Select--
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2.A dockworker applies a constant horizontal force of 80.0 N toa block of ice on a smooth horizontal floor. The frictional force is negligible.The block starts from rest and moves 11.0 m in 5.00 s. (a) What isthe mass of the block of ice? (b) If the worker stops pushing at the endof 5.00 s, how far does the block move in the next 5.00 s?
5) A heavy Is given Starts goinら mass cOoll63 grams) 100 m/s and disk with ihitial velocity of up a very long ramp that IS inclined of Static . The Coe fficien t and kinetic friction betwe en at 45° anule the disk metal ramp are MB:0,901 the and MK =0.30