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1. A solid steel rod of length 120-cm and mass 450 grams, is rotated about its center with an angular acceleration 23 rad/s2. What is the moment of inertia of the rod? What is the net torque acting on the rod?
2. A man is holding an 8.00-kg vacuum cleaner at arm's length, a distance of 0.550 m from his shoulder. What is the torque on the shoulder joint if the arm is held at 30° below the horizontal?
3. The drive chain in a bicycle is applying a torque of 0.950 Nm to the wheel of the bicycle. The wheel has a moment of inertia of 0.150 kgm2. What is the angular acceleration of the wheel?
4. An 82.0 kg- diver stands at the edge of a 5.00 m diving board, which is supported by two pillars 1.60 m apart. Find the force exerted by each pillar. The diving board is symmetric and has a mass of 50.0 kg.
If a pipe wrench of length 18 cm is positioned vertically on pipe, with the handle pointing up, and a force of 150 N, what is the torque on the pipe
What is an acceleration of the particle at the instant
When subject to a steady acceleration of 0.800 g, the object must be located 0.600cm from its equilibrium position. Find the force constant required for the spring.
determine the value of IG. The support at B does not move while the measurement is taken. For the calculation, the horizontal location of G should be determined.
For a damped oscillator with a mass of 290 g, a spring constant 80 N/m and a damping coefficient of 57 g/s, what is the ratio of the amplitude of the damped oscillations to the initial amplitude at the end of 26 cycles.
A 20-cm-radius ball is uniformly charged to 88nC, What is the ball's uniform charge density (C/m3) and What is the electric field strength at points 5, 10, and 20 cm from the center
The model airplane in figure below is flying at a speed of 19 m/s on a horizontal circle of radius 17 m, What is the net work done on the plane
A proton moving at 7.6 × 106 m/s through a magnetic ?eld of 8.8 T experiences a magnetic force of magnitude 2.5 × 10?12 N. What is the angle between the proton's velocity and the field
Compute the Force of Friction (Ff) for a 5kg aluminium block being pulled with constant velocity (uniform motion), up the steel plank that is at a 30degrees angle to the horizontal.
an object has a kinetic energy of 312 J and a momentum of magnitude 20.3 kg × m / s 1, find the speed of the object
A major-league pitcher can throw a baseball in excess of 48.7m/s. If a ball is thrown horizontally at this speed, how much will it drop by time it reaches the catcher who is 15 m away from the point of free.
A 13 g bullet traveling 217 m/s penetrates a 2 kg block of wood and emerges cleanly at 153 m/s. If the block is stationary on a frictionless surface when hit, how fast does it move after the bullet emerges.
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