F2-5. The force F=450 lb acts on the frame. Resolve this force into components acting along members AB and AC, and determine the magnitude of each component. 30° 450 450 lb Prob. F2-5
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- Please explain in details: Two masses (m1 = 10.0 kg and m2 = 5.00 kg) are at rest side by side (m1 is to the left of m2). If a force of 120.0 N [R] is applied to m1 and the coefficient of kinetic friction between the masses and the surface is 0.750, a) Draw the FBD’s and state all system equations (Comm)b) Find the magnitude of the acceleration of the masses (TI)c) Find the magnitude of the normal force between the masses (TI)--> Newton's third law <-- An apple of mass 0.1 kg falls from a tree to the ground 2.0m below. a) How long does it take the apple to hit the ground? b) During the fall, what magnitude of force does the apple exert on the Earth? c) Taking the Earth mass to be 6 × 1024kg, approximately how far does the Earth move towards the apple during the fall? d) During the fall, is the apple moving, the Earth moving, or both, or neither? Explain the answer for me please! e) In the real world, is the force exerted by the apple on the Earth of exactlythe same magnitude as the force exerted by the Earth on the apple?The 4 lblb particle is subjected to the action of its weight and forces F1={2i+6j−2tk}lb, F2={t2i−4tj−1k}lb , and F3={−2ti}lb, where t is in seconds. Determine the distance the ball is from the origin 4 ss after being released from rest.
- 1.2.5-kg tourist climbs the stairs to the top of the WashingtonMonument, which is 555 ft high. How far does the Earth movein the opposite direction as the tourist climbs?Explain and labled.At time ? = 0 [s], a particle at rest with mass ? = 3.50 [kg] began experiencing a mysterious time varying force along the +? direction. The force experienced by the object is modelled by the piecewise function. The force is observed to have the values ?? = 4.00 [N] and ?? = 3.00 [N] at times ? = 0 [s] and ? = 2.00 [s] respectively. a.) Find the value of the constants ? and ? in SI units. b.) Plot the graph of ?? as a function of ?. Include axes labels, axes tick marks, and gridlines on your plot. c.) What is the impulse exerted by this mysterious force on the particle in the time interval 0 [s] ≤ ? ≤ 2.00 [s]. d.) How much will the velocity of the particle change during this time interval? e.) Find the average force exerted on the particle in this time interval.The position of a particle according to the appropriate coordinate set can be vectorially specified in meters as r = i(sin2πt) -16j(1-e-t/4) + kt2/4 where t is the movement time of particle in seconds after passing its origin. If the mass of the particle is 2,4 kg, calculate the x component of its R force and the magnitude of its resultant force R at time t = 4s.
- A curling rock of mass 20 kg is sliding along a frictionless ice surface when it strikes a rock half its mass, giving the rock an instantaneous acceleration of 8.0 m/s2 [W]. According to Newton’s Third Law, the 20 kg rock will experience an acceleration ofThe force F = (50, -80) N acts on a mass of 6 kg. At time t = 0 s, the mass is initially at rest.a) In which quadrant (1-4) is the force? b) What is the angle (in degrees) of the force, measured counter-clockwise from the +x-axis? (postive angle) c) What is the magnitude of the force (in N)? d) What are the (x,y) components of the acceleration vector (in m/s2)?( , ) e) What are the (x,y) components of the velocity vector (in m/s) after 1.4 seconds?( , )IP 36.25 kg masses are at corners of an equilateral triangle and located in space far from any other objects. If the size of the triangle are 1.01 m long, find the magnitude of the net force exerted on each of the three masses. How does your answer to part A change if the size of the triangle are doubled in length?
- 1a. In an effort to extend AIT TV coverage in Ghana and West Africa without the help of any television platform in the country or anywhere in the world; AIT put into the orbit a satellite. Assuming the distance between the orbit where the satellite is located and the earth at sea level is 100000 metres; prove that, the speed, the acceleration and the period of the satellite can be determined with the help of the following constants.Mearth = 5.98 x 1024 kg,Rearth = 6.37 x 106 m)G=6.673 ᵡ 10-11Nm2/Kg2 b. The AIT satellite described in question 1a is a LEO satellite, assuming AIT wants to switch the LEO satellite to Geostationary; where in space (distance) must the satellite be placed with reference to the surface of the earth to orbit the earth in 24 hours. The constants in question 1a hold.A hammer of mass m = 0.455 kg is moving horizontally at a velocity of v = 4.5 m/s when it strikes a nail and comes to rest after driving the nail a distance Δx = 1.2 cm into a board. What is the duration of the impact, assuming the acceleration is constant during this time period, in terms of the given variables? What was the average force exerted on the nail, in terms of the mass, initial velocity, and distance traveled? What was the average force, in newtons, exerted on the nail?In a football match, a player kicked 400 grams of football with a speed of 70 miles per hour at an angle of 30 degrees to make a goal. But the ball was stopped by the goalkeeper after 2 seconds. It took 2 milliseconds for the goalkeeper to make the ball at rest in his hands. Assuming constant force was applied by the goalkeeper during this time, what will be the value of force applied by the goalkeeper?