A 1.5-kg block rests on top of a 7.5-kg block (Fig. 4–70). The cord and pulley have negligible mass, and there is no significant friction anywhere. What is the tension in the connecting cord?
6. Intro to Forces (Dynamics)
Forces in Connected Systems of Objects
- Textbook Question825views
- Textbook Question
One 3.2-kg paint bucket is hanging by a massless cord from another 3.2-kg paint bucket, also hanging by a massless cord, as shown in Fig. 4–41. If the two buckets are pulled upward with an acceleration of 1.45m/s² by the upper cord, calculate the tension in each cord.
671views - Textbook Question
The double Atwood machine shown in Fig. 4–55 has frictionless, massless pulleys and cords. Determine the acceleration of masses mA, mB, and mC.
722views - Textbook Question
(a) What minimum force F is needed to lift a piano (mass M) using the pulley apparatus shown in Fig. 4–64?
457views - Open Question
What minimum force F is needed to lift a piano (mass M) using the pulley apparatus shown in Fig. 4–64? Determine the tension in each section of rope: FT1, FT2, FT3 and FT4. Assume pulleys are massless and frictionless, and that ropes are massless.
15views - Textbook Question
The double Atwood machine shown in Fig. 4–55 has frictionless, massless pulleys and cords. Determine the tensions FTA and FTC in the cords.
7views - Multiple ChoiceA 0.540-kg bucket rests on a scale. Into this bucket, you pour sand at the constant rate of 70.0 g/s. If the sand lands in the bucket with a speed of 4.50 m/s, what is the reading of the scale when there is 0.720 kg of sand in the bucket?111views
- Multiple ChoiceBlock 1 has a mass of 7 kg and Block 2 has a mass of 3 kg, and they are connected to each other by a rope. A 40 N force is applied to Block 2. What is the tension in the rope between Blocks 1 and 2?346views