A person wanted to push a cast made of steel with amass of 800 kg to the top of a sloping bridge made ofthe same material. It rises by 10 meters every 40meters with an acceleration of o.66 meters per secondsquared and as shown in the figure How much thrustmust the person provide in order to be able to pushthe template In case :A- Neglecting the presence of frictionB- Not neglecting the presence of friction40 m10 m

Given m = 800 kg acceleration = .66 m/s2

A person wanted to push a cast made of steel with a mass of 800 kg to the top of a sloping bridge made of the same material. It rises by 10 meters every 40 meters with an acceleration of o.66 meters per squared and as shown in the figure How much thrust must the person provide in order to be able to push the template In case : A- Neglecting the presence of friction B- Not neglecting the presence of friction second 40 m 10 m

A person wanted to push a cast made of steel with a mass of 800 kg to the top of a sloping bridge made of the same material. It rises by 10 meters every 40 meters with an acceleration of o.66 meters per squared and as shown in the figure How much thrust must the person provide in order to be able to push the template In case : A- Neglecting the presence of friction B- Not neglecting the presence of friction second 40 m 10 m

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

An elevator weighing 9.8 KN moves downward from rest until itattains a velocity of 20 m/s after it travels a distance of 5 m. Whatis the travel time of the elevator at this instant?a. 3 secsb. 2 secsc. 1 secd. 0.5 sec
2. A man pushes the 60-lb box with a force F. The force is always directed downward 30 ° from the horizontal as shown, and its magnitude is increased until the box begins to slide. Determine the initial acceleration of the box if the coefficient of kinetic friction is uk = 0.8.
A grindstone in the shape of a solid disk with diameter 0.520 m and a mass of 50.0 kg is rotating at 850 rev/min. You press an axe against the rim with a normal force of 160 N (see Figure below), and the grindstone comes to rest in 7.50 s. What is the moment of inertia of the grindstone? What force is bringing the grindstone to a stop? What is the net torque caused by that force? What is the size of the force? What is the coefficient of friction between the axe and the grindstone?
Q2/ You want to move a 400-N crate across a level floor by pulling upward on the rope at an angle of 30° above the horizontal. How hard must you pull to keep it moving with an acceleration of a = 0.5 m/s² ? Assume that µ = 0.30.
For equation 1, RB+RA=1500. So how did you get RB=2580-50700, RB=-48120 lb ? Also for moment at point B, if 1500 lb-ft is clockwise. How is it positive in moment at point B?
Knowing that at the instant shown assembly A has a velocity of 9 in./s and an acceleration of 15 in./s2both directed downward, determine (a) the velocity of block B, (b) the acceleration of block B
A plastic sphere (?? = 1.5) with a diameter of 30 mm sinks in a body of oil (?? = 0.85, μ = 3.0 × 10−2 Pa∙s).(a) Find the terminal velocity at which the sphere sinks(b) If the sphere begins to rotate clockwise at 25 revolutions per second, find the magnitude and direction of the Magnus force on it
A 2.00-kg cart (cart #1) moving to the right at 12.0 m/s collides with a 1.20-kg cart (cart #2) moving to the right at 2.00 m/s. The two carts collide elastically. a) What is the initial momentum of cart #1?b) What is the initial momentum of cart #2?c) What is the total momentum of both cars after the collision?d) What is the final velocity of cart #1 after the collision?e) What is the final velocity of cart #2 after the collision?f) What is the final momentum of cart #1?g) What is the final momentum of cart #2?h) If the total time for the collision was 0.015 s, what was the average impulsive force exerted by cart #1 on cart #2?i) What was the average impulsive force exerted by cart #2 on cart #1?j) Was total momentum conserved in this collision? Was total mechanical energy conserved in this collision? Explain.
A 60-g steel sphere attached to a 200-mm cord can swing about point O in a vertical plane. It is subjected to its own weight and to a force F exerted by a small magnet embedded in the ground.The magnitude of that force expressed in newtons is F= 3000/r2 , where r is the distance from the magnet to the sphere expressed in millimeters. Knowing that the sphere is released from rest at A , determine its speed as it passes through point B.
A smooth steel (SG = 7.86) sphere is immersed in a streamof ethanol at 20 ° C moving at 1.5 m/s. Estimate its drag inN from Fig . What stream velocity would quadrupleits drag? Take D = 2.5 cm.
When a 644lb boat is moving at 10ft per sec, the motor conks out. how much farther will the boat glide, assuming its resistance to motion is 2 v lb where v is feet per seconds
The 233000-lb space-shuttle orbiter touches down at about 237 mi/hr. At 208 mi/hr its drag parachute deploys. At 45 mi/hr, the chute is jettisoned from the orbiter. If the deceleration in feet per second squared during the time that the chute is deployed is -0.000170v2 (speed v in feet per second), determine the corresponding distance s traveled by the orbiter. Assume no braking from its wheel brakes.