1) . You repeat the same experiment that you did in the lab with the force table using two 100 g masses at 135° and 225°.
(a) Complete the table below.
Force | Mass (kg) | Magnitude of Force (N) | Angle (degrees) | Ax (N) | Ay (N) |
---|---|---|---|---|---|
F1 | 0.100 | 135 | |||
F2 | 0.100 | 225 |
(b) Determine (by calculation) the value of F3
needed to balance the two forces F1 and
F2.
F3x =
F3y =
magnitude | F3 | = | |
direction | θ3 | = |
° counterclockwise from the +x-axis |
2) . A drunken sailor stumbles 450 meters north, 400 meters northeast, then 350 meters northwest. What is the total displacement and the angle of the displacement? (Assume east is the +x-direction and north is the +y-direction.)
magnitude | |
direction | ° counterclockwise from the +x-axis |
Use the exact values you enter to make later calculations.
3) A uniformly accelerated car passes three equally spaced traffic
signs. The signs are separated by a distance d = 21 m. The
car passes the first sign at t = 1.5 s, the second sign at
t = 3.7 s, and the third sign at t = 5.0 s.
(a) What is the magnitude of the average velocity of the car
during the time that it is moving between the first two
signs?
(b) What is the magnitude of the average velocity of the car during
the time that it is moving between the second and third
signs?
(c) What is the magnitude of the acceleration of the car?
4) . The position of a particle moving with constant acceleration is given by
x(t) = 2t2 + 9t + 4
where x is in meters and t is in seconds.
(a) Calculate the average velocity of this particle between
t = 3 seconds and t = 7 seconds.
(b) At what time during this interval is the average velocity equal
to the instantaneous velocity?
1) . You repeat the same experiment that you did in the lab with the force...
Suppose that F1-350 N.(Figure 1) Part A Determine the magnitude of the resultant F' = F1+F2 Part B Determine the direction of the resultant force F' = F1+F2, measured counterclockwise from the positive x axis.Part C Determine the magnitude of the resultant force FR = F1 + F2 + F3. Part D Determine the direction of the resultant force FR = F1 + F2 + F3, measured counterclockwise from the positive x axis.
A particle with a charge of -2.30 x 10^-8 c is moving with an instantaneous velocity of magnitude 39.5 km/s in the x-y plane at an angle of 55 degrees counterclockwise fromthe + x axis. A. what is the direction of the force exerted on this particle by a magnetic field with magnitude 2.00 T in the -x direction. B. what is the magnitude of the force exerted on this particle by a magnetic field with magnitude 2.00 T in...
Determine the magnitude of the resultant force acting on the plate and its direction, measured counterclockwise from the positive x-axis.F1 = 900N, F3 = 650N, F2 = 750N
Use the exact values you enter to make later calculations. A uniformly accelerated car passes three equally spaced traffic signs. The signs are separated by a distance d = 21 m. The car passes the first sign at t = 1.3 s, the second sign at t = 3.7 s, and the third sign at t = 5.5 s. (a) What is the magnitude of the average velocity of the car during the time that it is moving between the...
A mass of 7 kg is resting on a horizontal, frictionless surface. Force 1 is applied to it at 23 degrees below the horizontal, force 2 has a magnitude of 19 N and is applied vertically downward, force 3 has a magnitude of 3 N and is applied vertically upwards, and force 4 has a magnitude of 21 N and is applied in the-x direction to the object. When these forces are applied to the object, the object moves 9...
A) a pedestrian walks 100m west then 400m north then 300m east.what is the magnitude and direction of her total displacement? B) A ball thrown straight upward with an initial velocity of 58.8 m/s to reach its maximum height, find the time it takes to come back to the hand, and find the maximum height it reaches C) three forces act on an object f1= 10 N at 53 degrees, f2=10 n at 135 degrees, f3=20 n at 210 degrees...
Two forces, F1 (-3801+ 3.05j) N and F2 (-3 951+ 6.40j) N, act on a particle of mass 2.30 kg that is initially at rest at coordinates (+2.10 +255 m) (a) What are the components of the particle's velocity at t- 11.9 s? m/s (b) In what direction is the particle moving at t- 11.9 s? counterclockwise from the +x-axis (c) What displacement does the particle undergo during the first 11.9 s? (d) What are the coordinates of the particle...
Part A If F1 = 730 lb . F2 = 420 lb. F3 = 600 lb, determine the magnitude of the resultant force acting on the corbel (Figure 1) Part B Determine the direction of the resultant force acting on the corbel measured counterclockwise from the x axis.
Determine the magnitude and direction of the resultant force, measured counterclockwise from the positive x axis. Solve by first finding the resultant F' = F2 + F3 and then forming FR = F'+F1. Make sure to show all steps. Use the Parallelogram method.
Determine the x and y of the forces 1. Resultants of force systems (10 pts) Determine the x and y components of the three forces F1, F2 and F3. Also, determine the magnitude and direction of the resultant force. Solve the problem by filling the table below. Indicate force direction with positive/negative sign. Fz=100 N F=100N N x component (N) y component (N) 45° ST F3=200 N Resultant force