is perpendicular to the slider path in a slider-crank linkage.
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- During an arm curl movement with a dumbbell, the elbow flexors are in an eccentric contraction when the muscle torque is ___. Group of answer choices Greater than the resistive torque Equal to the resistive torque Smaller than the resistive torque Cannot be determined.F y mg f.Y Frxe f,x Axis The ladder in the picture has a mass of 32 kilograms and a length 3.2 meters. What is the normal force pushing the ladder up from the floor? FN = Assume that the ladder's weight is evenly distributed, so it can be treated as a single force through the middle. If the ladder is at a 60° angle from the ground, what is the torque exerted by the weight (using the floor as the pivot point)?A small sphere of radius ro = 1.5 cm rolls without slipping on Γο the inside of a track of radius R₁ = 26 cm. If the small sphere starts from rest at the vertical edge of the track, (a) what will be its speed when it reaches the lowest point of the track? When it leaves the track after passing through an angle of 135°, (b) what will be its speed, and c) at what distance D from the base of the track will the sphere hit the ground? (The rotational inertia of a small sphere about its center of mass is I=2mr2/5. Ro 135° Ro. D Hint: Don't forget the radius of the sphere when looking at gravitational potential energy! (a) v1.85 m/s, (b) v' = 1.56 m/s, c) D= 0.478 m.
- Given, TT = TlT = Tlsin(0), at what angle ) will torque be maximized? O deg 30 deg 60 deg 90 degA uniform rod has a mass of 2.10 kg and has a length of 1.26 m.It is hinged to a wall by a pivot at one end and is held in a horizontal position by a light vertical string attached to the other end as shown. (b) The string is now cut.Ignore the mass of the string.Calculate the magnitude of the angular acceleration (in rad/s2) of the rod about the pivot point just after the string is cut.