A student attaches a rope to a 44 kg box, and drags it to the left with constant velocity of 1.69 m/s. The tension in the rope is 218N at an angle of 35.1° to the ground. How much does the box weigh? Find the x and y components of the applied (tension) force: Fx = N Fy : N %3! How much friction must be present? N. How much Normal force must be present?

A 140 kg wooden crate resting on a wood floor. The coefficients of stattic and kinetic friction here are μs =0.5 and μk=0.3. WHat maximum force, in newtons, can you exert horizontally on the crate without moving it? If you continue to extert this force once the crate starts to slip, what will its accelertation be in m/s2?

V:r. I ZAY N O O O 1 A A,7IK/s .ll و آذار، ۲۰۲۱ -> o 9:Y. Q1 Block A in the figure below weighs 1.40 N, and block B weighs 4.20 N. The coefficient of kinetic friction between all surfaces is 0.30. Find the magnitude of the horizontal force F necessary to drag block B to the left at a constant speed if A and B are connected by a mass- less cord passing through pulley. A المزيد حذف تعديل مشاركة ...

A crate is moving as shown is slowed down by a pushing force P. The force P has a horizontal component of 200 newtons to the left and a vertical component 300 newtons down. The mass of the crate is 90 kgs and the coefficient of kinetic friction is 0.2 and static friction is 0.4. V P What is the magnitude of the acceleration of the crate? Answer in m/s². Use g = 10 m/s². Don't guess! Use the free body diagram method.

Block A (mass ma) rests on a tabletop. It is connected by a horizontal cord passing over a light, frictionless pulley to a hanging block B (mass mg). The kinetic friction between Block A and the tabletop is f. The block are released from rest. Which of the followings is the correct Free Body Diagram of block B? mag mag mag mag B B B a a mal mg mg Fig. A Fig. B Fig. C Fig. D Fig. E Figure B Figure E Figure A Figure C Figure D

An elevator loaded with tourists has a mass of 1750 kg. a.) The elevator accelerates upward (in the positive direction) from rest at a rate of 1.55 m/s2 for 2.3 s. Calculate the tension in the cable supporting the elevator in newtons b.) The elevator continues upward at constant velocity for 8.5 s. What is the tension in the cable, in Newtons, during this time? The elevator experiences a negative acceleration at a rate of 0.65 m/s2 for 2.6 s. What is the tension in the cable, in Newtons, during this period of negative accleration? c.) How far, in meters, has the elevator moved above its original starting point?

A box is placed on a rough floor. When you push horizontally against the box with a 40N force, the box just begins to slide. What is the magnitude of the friction force when you push against the box with a 25 N force? O58 N O 15 N O 40 N 98 N O none of the answers O 25 N

Bran is pushing Amira in a sled. The combined mass of the sled and Amira is 40.0 kg. There is a coefficient of kinetic friction between the led and the snow of 0.205. Bran applies a 160 N pushing force at 30.0° below the horizontal. What is Amira's acceleration? (Give your answer in m/s2.)

The figure below shows a block A of unknown mass m resting on an inclined plane. The block has coefficients of friction ??=0.80and ??=0.40with the inclined surface. It is connected via a massless string over a massless, frictionless pulley to a hanging block of mass 5.0 kg. a.What is the minimum mass m that block A should have so that it doesn’t start to move up on the incline? b. If the mass you found in a) is nudged ever so slightly, it will start being pulled up the inclined plane. What acceleration will it have?

Find T₁ The hanging sphere off the table has a mass of 2.98 kg. The string makes a 27.1° angle to the ceiling. How much does the sphere weigh? N Find T₂ T₁ N N e N The block on the table does not move. How much friction must be acting between the table and the block?