mass of 35 kg, and he pulls with a force of 75 N. b. What force would Tony need to apply at a 30° angle to pull the luggage cart completely off the ground?
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mass of 35 kg, and he pulls with a force of 75 N.
b. What force would Tony need to apply at a 30° angle to pull the luggage cart completely off the ground?
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- A 125 kg box is pushed up a ramp with a force of 100N applied at a 30 deg below the horizontal. Coefficient of static friction is 0.9. 1. What is the normal force on the box? 2. What is the friction force on the box? 3. What is the largest friction force could be?A 1,380-N crate is being pushed across a level floor at a constant speed by a force F of 320 N at an angle of 20.0° below the horizontal, as shown in the figure a below. a) What is the coefficient of kinetic friction between the crate and the floor? (Enter your answer to at least three decimal places.)(b) If the 320-N force is instead pulling the block at an angle of 20.0° above the horizontal, as shown in the figure b, what will be the acceleration of the crate? Assume that the coefficient of friction is the same as that found in part (a).m/s2A sled weighing 53.5 N is pulled horizontally across snow so that the coefficient of kinetic friction between sled and snow is 0.100. A penguin weighing 70.5 N rides on the sled, as in the figure below. If the coefficient of static friction between penguin and sled is 0.700, find the maximum horizontal force that can be exerted on the sled before the penguin begins to slide off.
- Two blocks are connected by a (massless) string that passes over a (massless, frictionless) pulley as shown: What is the tension in the string? Express your answer in N.OA balanced net force must be applied. OAn unbalanced net force must be applied. O The net force must be zero. O The net force must be greater than the applied force. Question 3(Multiple Choice Worth (01.03 LC) For an object at rest, the normal force equals the gravitational force. What is the sum of these forces called? O Net force OUnbalanced force O Inertia O Potential force Question 4Multiple Choice (01.03 LC) What kind of motion will an object have when forces on it are balanced? OIt will not move at all. Previous Question Question 1 (Answered) 吕口 F3 F1 O00 DOD F4 F2Rachel pulls a 30.0 kg box across the floor with a rope that makes an angle of 32o with the floor. She pulls with a force of 250 N. The coefficient of friction between the box and the floor is 0.75. What is the acceleration of the box?