2. Box 1 (m₁ = 1.8 kg) sits on a frictionless surface that is inclined at an angle from horizontal. It is connected to box 2 (m₂ = 2.4 kg) using a lightweight flexible cord that passes over a lightweight frictionless pulley (see figure). When a vertical force F of magnitude 5.0 N pushes up on box 2, the box has a downward acceleration of 4.5 m/s². Find a. the tension in the connecting cord, and b. the angle of the inclined surface. 7221 mq

A 2.00 [kg] brick is pushed by a 10.0 [N] force against a rough wall with coefficient of static friction ?. What should be the minimum coefficient of friction so that the block will not fall

Asap

2. A two body system is set up on an inclined surface with M = 5 kg and m = 4 kg. The angle is 25 degrees. And the static frictional coefficient is 0.25, and kinetic frictional coefficient is 0.20. i. Find the parallel and perpendicular components of the Mg. ii. Find the static frictional force and kinetic frictional force. iii. Determine which way the system will move, uphill or downhill. iv. Once it starts, find the tension T =? v. Once it starts, find the acceleration, a=?

Suppose a 58.5 kg gymnast climbs a rope. What is the tension in the rope if she climbs at a constant speed? tension: What is the tension in the rope if she accelerates upward at a rate of 1.25 m/s²? tension: N

m A block of mass m = 10.46 kg is at rest on a friction-less table. A student comes 0 = along and presses on the book with an unknown force F, at an angle 6= 23.9° as shown in the figure. If the acceleration is 8.11 m/s2, with how much force (in N) is the student pressing? %3D Your Answer:

A 40 N box is resting on a table when a 20 N force is applied to it horizontally. The coefficients of static and kinetic friction are 0.3 and 0.1, respectively. Which of the following best describes the resulting motion of the box?    The motion of the box cannot be determined with the given information.      The box accelerates in the direction of the applied force.      The box remains at rest.      The box moves with a constant velocity in the direction of the applied force.

A block slides down a rough 30°-incline with an acceleration of 2 m/s?. The coefficient of kinetic friction u between the block and the surface of the incline is: A. 0.34 В. О.17 C. 0.22 D. 0.28 E. 0.81 O A O B , C O E

P1a please help me with the answer and full solution

Å A student tries to push a 27.7 kg desk across the room. She pushes at a downward angle of 39° (measured from the horizontal) with a force of 240 N. As a result, the desk moves with a constant velocity of 1.22 m/s. How much friction is present? F₁ = How much does the desk weigh? 11 N FN = Fg How much Normal force must be present? N N