Questions tagged 'Forces'
29 questions
Oct 28, 2024
A small car is pushing a large truck. they are speeding up.
A small car is pushing a large truck, and they are both accelerating. Is the force that the truck exerts on the car larger than, smaller than, or equal to the force that the car exerts on the truck?...
The horizontal beam in the figure weighs 150 N, and its center of gravity is at its center
The horizontal beam depicted in the figure weighs 150 N, and its center of gravity is located at its midpoint. Please solve the following problems: 1) Determine the tension in the cable. 2) Calculate...
A 0.025-kg bullet is fired vertically at 208 m/s into a 0.15-kg baseball that is initially at rest. The bullet?
A 0.025-kg bullet is fired vertically at a speed of 208 m/s into a 0.15-kg baseball that is initially at rest. The bullet lodges in the baseball, and after the collision, the baseball and bullet rise...
Physics Forces help, 10 pts!?
A skier is sliding down a slope with an angle of 15 degrees. Friction is present and cannot be ignored. Please identify all the forces acting on the skier from the following options: static friction,...
Oct 22, 2024
A 1.50m -long, 550g rope pulls a 7.00kg block of ice across a horizontal, frictionless surface. Physics Help?
A 1.50 m long, 550 g rope pulls a 7.00 kg block of ice across a horizontal, frictionless surface. The block accelerates at 2.20 m/s². How much force is exerted forward on (a) the ice and (b) the rope?
Physics: A cardboard box rests on the floor of an elevator. The box has a mass m = 2.5 kg and the elevator has an upward acceleration of a.?
A cardboard box rests on the floor of an elevator. The box has a mass of m = 2.5 kg, and the elevator is accelerating upward with an acceleration of a. A) Write an expression for the sum of the forces...
A hand exerciser utilizes a coiled spring?
Determine the force needed to compress the spring by 0.0508 m if a force of 89.0 N is required to compress the spring by 0.0191 m.
a pitcher throws a ball, what is work in physics?
A pitcher throws a ball at 90 mph, and the catcher stops it in her glove. a. Is the work done on the ball by the pitcher positive, negative, or zero? b. Is the work done on the ball by the catcher po...
Oct 10, 2024
physics: A 27-kg chandelier hangs from a ceiling on a vertical 4.0-m-long wire. (a) What horizontal force woul?
A 27-kg chandelier hangs from the ceiling on a vertical wire that is 4.0 meters long. (a) What horizontal force is required to displace the chandelier 0.15 meters to one side from its original vertic...