4. (Spts) A Shopee delivery man named lan is dragging a trunk up the loading ramp of the delivery truck. The ramp has a slope angle of 20.0°, and lan pulls upward with a force (F) whose direction makes an angle of 30.0° with the ramp. a.) How large a force (F) is necessary for the component Fx parallel to the ramp be 75.0N? b.) How large will the component Fy perpendicular to the ramp be?

4. (Spts) A Shopee delivery man named lan is dragging a trunk up the loading ramp of the delivery truck. The ramp has a slope angle of 20.0°, and lan pulls upward with a force (F) whose direction makes an angle of 30.0° with the ramp. a.) How large a force (F) is necessary for the component Fx parallel to the ramp be 75.0N? b.) How large will the component Fy perpendicular to the ramp be?

Name: 4. (Spts) A Shopee delivery man named lan is dragging a trunk up the
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Description: 4. (Spts) A Shopee delivery man named lan is dragging a trunk up the loading ramp of thedelivery truck. The ramp has a slope angle of 20.0°, and lan pulls upward with a force(F) whose direction makes an angle of 30.0° with the ramp.a.) How large a f

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter5: Newton's Law Of Motion

Section: Chapter Questions

Problem 23P: While sliding a couch across a floor, Andrea and Jennifer exert forces FA and FJ on the couch....

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While sliding a couch across a floor, Andrea and Jennifer exert forces FA and FJ on the couch. Andrea’s force is due north with a magnitude of 130.0 N and Jennifer’s force is 32 east of north with a magnitude of 180.0 N. (a) Find the net force in component form. (b) Find the magnitude and direction of the net force. (c) If Andrea and Jennifer’s housemates, David and Stephanie, disagree with the move and want to prevent its relocation, with what combined forceFDS should they push so that the couch does not move?
(a) What is the maximum frictional force in the knee joint of a person who supports 66.0 kg of her mass on that knee? (b) During strenuous exercise, it is possible to exert forces to the joints that are easily 10 times greater than the weight being supported. What is the maximum force of friction under such conditions? The frictional forces in joints are relatively small in all circumstances except when the joints deteriorate, such as from injury or arthritis. Increased frictional forces can cause further damage and pam.
In a tug-of-war game on one campus, 15 students pull on a rope at both ends in an effort to displace the central knot to one side or the other. Two students pull with force 196 N each to the light, four students pull with force 98 N each to the left, five students pull with force 62 N each to the left, three students pull with force 150 N each to the right, and one student pulls with force 250 N to the left. Assuming the positive direction to the tight, express the net pull on the knot in terms of the unit vector. How big is the net pull on the knot? In what direction?
Consider the baby being weighed in the following figure. (a) What is the mass of the infant and basket if a scale reading of 55 N is observed? (b) What is tension T1in the cord attaching the baby to the scale? (c) What is tension T2, In the cord attaching the scale to the ceiling, If the scale has a mass of 0.500 kg? (d) Sketch the situation, indicating the system of interest used to solve each part. The masses of the cords are negligible.
A crate of mass 100.0 kg rests on a rough surface inclined at an angle of 37.0with the horizontal. A massless rope to which a force can be applied parallel to the surface is attached to the crate and leads to the top of the incline. In its present state, the crate is just ready to slip and start to move down the plane. The coefficient of friction is 80of that for the static case. (a) What is the coefficient of static friction? (b) What is the maximum force that can be applied upward along the plane on the rope and not move the block? (c) With a slightly greater applied force, the block will slide up the plane. Once it begins to move, what is its acceleration and what reduced force is necessary to keep it moving upward at constant speed? (d) If the block is given a slight nudge to get it started down the plane, what will be its acceleration in that direction? (e) Once the block begins to slide downward, what upward force on the rope is required to keep the block from accelerating downward?
A Shopee delivery man named lan is dragging a trunk up the loading ramp of the delivery truck. The ramp has a slope angle of 20.0°, and lan pulls upward with a force (F) whose direction makes an angle of 30.0° with the ramp. a.) How large a force (F) is necessary for the component Fx parallel to the ramp be 75.ON? b.) How large will the component Fy perpendicular to the ramp be?
I have a shelf full of textbookd.Each book has a mass of 1.0 kg and mus=0.3. a. How hard do I need to push horizontally to unstick the top book from the rest of the pile? b. How many books can I unstick from the top of the pile if I push with a force of 16N?
A wniform ladder 15 ft long is leaning against a frnctionless wall at an angle of 53° above the horizontal. The weight of the ladder is 30 pounds. A 75-lb boy climbs 6.0-ft up the ladder. What is the magnitude of the friction force exerted on the ladder by the floor? a. 24 lb b. 34 lb с. 43 lb d. 38 lb e. 47 lb
A.) Two forces act an angle of 120 ° . The bigger force is 40 N and the resultant is perpendicular to the smaller . Find the smaller force.
A 392-N force parallel to the plane is required to support a body on an inclined plane of height 300 m and base 400 m. If the force exerted by the plane on theb body is 780N, a. what is the weight of the body? b. what is the frictional force between the body and the plane?
1. Answer the following: a. Carlo walks 8 km East, then 5 km South and finally 6 km West. Find his final displacement. b. Carlo and Karlo pull at two ropes attached to a cabinet with forces 80N and 120 N. What is the resultant force if they pull at right angle to each other? c. Carlo leaves Buting Senior High School, drives 26 km due North, then turns onto a street and continues in a direction 30° NE for 35 km and finally turns onto the highway due East for 40 km. What is his total displacement?
A 15 kg block is observed to be speeding up as it moves up an incline. The magnitude of the block's acceleration is 1.2 m/s 2 . The angle of the incline is 24 o above the horizontal. An applied force is predominantly directed up the incline but its direction is 12o above the incline itself Find the magnitudes of the following forces: a. The normal force exerted by the incline. b. The applied force. Needs Complete typed solution with 100 % accuracy.