Uestion 6 20 marks You should be able to answer this question after studying Unit 5 A mountain re...
PLEASE USE FOUR FORCES IN TERMS OF F (FRICTION) N(NORMAL REACTION) T(TENSION IN THE ROPE) AND W(WEIGHT) Question 6 20 marks You should be able to answer this question after studying Unit 5 A mountain rescue team is preparing to move a stretcher (with an injured climber) down a flat slope. The combined mass of the climber and stretcher is 110 kg, and the slope makes an angle of 15° with the horizontal. The stretcher is held at rest by...
Question 5 15 marks You should be able to answer this question after studying Unit 10 A crate, initially at rest, is pushed along a straight line up a rough ramp that makes an angle of 18° with the horizontal. The magnitude of the pushing force is 33 N, in a direction parallel to and up the ramp, and the acceleration of the crate is 0.16 ms-2. The coefficient of sliding friction between the crate and the ramp is 0.35....
Question 615 marks You should be able to answer this question after studying Unit 10 At a battle re-enactment, a catapult launches a missile with a speed of 38 ms-, at an angle of 40° to the horizontal. The height from which the projectile is launched is 10m. Set up coordinate axes at the point where the missile leaves the catapult, as shown below 40° 10 m Let i and j be the Cartesian unit vectors in the positive directions...