6)
b)
c)Along x direction there is no force hence no acceleration, so position is
Along y direction acceleration is a, so position is
So (x,y)=(120,71.5)m
7)
Let braking force be B
So
A chandelier with mass m is suspended from a cable with mass M from the ceiling. Take a Y-axis vertically up and apply Newton's 2nd law to find the magnitude of the tension at the top and at the bottom of the rope. Treat the weight w of the chandelier and the weight of the cable W as given. Draw a free body diagram for both the rope and the chandelier.
in). Consider the following diagram. There are two masses (i.e., mass mand mass M hanging in a system of strings: string A with tension Ta, string B with tension To, an string with tension Tc (Note: Acceleration due to gravity (9) - 10 m/s) M=10 kg m=20 kg a) Draw free-body diagram of mass m. (4 points) b) Considering the equilibrium state of mass m vertically (t.e. SF =0), find the tension Ta of string A. (4 points) c) Draw...
Three forces act on a 15-kg object. Force 1 is 12 N directed along the positive x-axis. Force 2 is 18 N directed along the -y-axis. And Force 3 is 22 N directed exactly midway between the +x=axis and -y-axis. a) Draw a free body diagram clearly labeling the forces. b) Find the net force on the object in both unit vector and polar notation. c) Draw this force on your diagram.
A 6.27-kg object passes through the origin at time t = 0 such that its x component of velocity is 5.05 m/s and its y component of velocity is −2.7 m/s. (a) What is the kinetic energy of the object at this time? J (b) At a later time t = 2.00 s, the particle is located at x = 8.50 m and y = 5.00 m. What constant force acted on the object during this time interval? magnitude N...
1) An object feels the impact of 3 forces. The mass of the object is 2.82 kg. The object has an acceleration of 1.93 m/s2 at 28.6 degrees N of E. Force 1 is 11.0 N at 62.4 degrees S of E and Force 2 is 18.8 N at 57.5 degrees S of W. What is the magnitude and direction of Force 3? (Assume that no additional forces act on the object.)Do not use energy ideas in your solution. 2)...
An object is launched at the initial velocity of v 0 =12 m/s up a Θ= 20 degrees incline. The initial velocity is along the incline.The coefficient of kinetic friction is μ= 0.2 a) Draw a free body diagram and apply Newton’s Second Law. b) Find the acceleration of the object as it moves up the incline. Find an expression first, then plug in numerical values. c) Find the distance travelled up the incline.. Find an expression first, then plug...
Position Graph Velocity Graph time (s) time (s) (a) On the coordinate axis below, draw a motion diagram for this object moving from t-0 to 3 second Show 4 events using one-second intervals. A motion diagram includes position dots, time, and velocity vectors -5 m -3 m 2 m -l m r 0 Im (b) On the coordinate axis below, draw a motion diagram for this object moving from t-3 to 5 second Show 3 events using one-second intervals. A...
3. (25 points) A small object of mass m slides around in a horizontal, frictionless, circular tube of radius R. The object is given an initial velocity vo at the point shown. At somc later timc, defined to be t = 0, some strange force starts to act on the object The force is always directed opposite to the object's velocity and has known constant magnitude c as long as the object is moving. Consider only the time while the...
A 2.5-kg object experiences a single, time-dependent force Fx(t) = (18 N/s )t - (36 N ). 1.What is the object's acceleration at t = 0? 2.What is the object's acceleration at t = 2.0 s? 3.What is the object's acceleration at t = 4.0 s?
An object with mass m is initially at rest at the origin z-0. At time t-0 it starts to accelerate with a changing acceleration along the +z direction. At time t = T it is at the point z=:T and its speed is measured as e(T) = vr 6. Find the for tr and τ in terms of F. m, and T