A gust of wind briefly blows Mikey's balloon so that the string makes a 30° angle with the vertical. Assuming that the balloon is still exerting a 20.0-N force at this 30° angle, what does the scale read? (Include a free-body diagram.)
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- A speed boat pulls a water-skier (with a mass of 100 kg) at a steady speed by a rope at 15 degrees above the horizontal. The water exerts a friction force of 50 N opposing the skier's motion. a) What is the tension in the rope? b) What is the normal force the water exerts to keep the skier from sinking?When a parachute opens, the air exerts a large drag force on it. This upward force is initially greater than the weight of the sky diver and, thus, slows him down. Suppose the weight of the sky diver is 986 N and the drag force has a magnitude of 1049 N. The mass of the sky diver is 101 kg. Take upward to be the positive direction. What is his acceleration, including sign? Type to search 7 Number e Textbook and Media Save for Later 2 +6.24 W Ri 3 E C $ 4 " Units R % 5 m/s^2 T V 6 & 7 7 H * Attempts: 2 of 3 used Submit Answer 8 81°F Partly sunny 0 K 2:41 6/2/70. Two heavy boxes are at rest as shown in Figure 6. (4.1) K/U TA C (a) Find the normal force on box 1 and the normal force on box 2 from the floor. (b) Find the normal force on box 1 and the normal force on box 2 from the floor if a person pulls up on box 1 with 55 N. (c) Find the normal force on box 1 and the normal force on box 2 from the floor if a person pulls up on box 2 with 55 N. (d) Compare and contrast your answers to (b) and (c) and explain why some normal forces changed while others did not. box 1 m₁ = 25 kg box 2 m₂ = 45 kg Figure 6
- Sneak E. Fox Scheme #2: Hoist an Acme brand anvil into the air and drop it onto the bird, using a rope over a steel shaft. The anvil is made of steel and weighs 250 lbs. How much force on the free end of the rope does it take to hold the anvil in place? how much force on the rope is required to lift the anvil into place? is the fox able to hold the anvil using the rope? Can the fox lift the anvil using the rope?In Example 5.7, we pushed on two blocks on a table. Suppose three blocks are in contact with one another on a frictionless, horizontal surface as shown in the figure below. A horizontal force F is applied to m₁. Take m₁ = 2.00 kg, m₂ = 3.00 kg, m3 = 5.10 kg, and F = 16.0 N. (a) Draw a separate free-body diagram for each block. Choose File No file chosen This answer has not been graded yet. magnitude direction m₁ (b) Determine the acceleration of the blocks. m/s² m₂ m₂ |---Select--- ✓ (c) Find the resultant force on each block. block 1 N block 2 N block 3 N (d) Find the magnitudes of the contact forces between the blocks. between block 1 and 2 N N between block 2 and 3 Need Help? (e) You are working on a construction project. A coworker is nailing up plasterboard on one side of a light partition, and you are on the opposite side, providing "backing" by leaning against the wall with your back pushing on it. Every hammer blow makes your back sting. The supervisor helps you put a heavy…A 275-lb block rests on a horizontal floor. The coefficients of friction between the block and the floor are 0.53 for static and 0.36 for kinetic respectively. Determine the force (P) that is required to a) Just break the block loose and get it movingb) Maintain the block moving at a constant speed
- A rightward force of 332 N is applied to a 24.7-kg crate to accelerate it to the right. The friction for the object and the surface is 0.564. Use g=9.8 m/s/s and assume rightward is the positive direction for motion. Weight- Normal Force- Frictional Force- Acceleration-I have to draw a free body diagram for the attached problem. I drew Tension and Weight. My question is, do I need to draw air drag now or would air drag be considered the force acting on the parachute. Just looking for clarification. Thank youQuestion 6 This is one of three questions about #18: 18. A scale in the elevator's floor measures the weight of the passengers, and it has the correct value when the elevator is not moving. The combined mass of the passengers is 572 kg. What will the scale read if. c) the elevator is accelerating down at a constant rate of 1.5 m/s?? (This is asking for the solution to 18c in the worksheet.) Your answer: 860 N 4700 N 5600 N 6500 N Clear answer