A crane is attached to one end of a steel girder, and lifts that end into the air. When the cable attached to the end of the girder is at 20 degrees to the vertical, the tension is 6.5kN. Calculate the horizontal and vertical components of this force.
6.1kN vertically up
2.2kN horizontally to the right
AR
Related Physics A Level answers
All answers ▸What is the main evidence for the Big Bang theory?
Given that a light ray enters a glass prism at angle of 50 degrees from the normal and is refracted to an angle of 30 degrees from the normal, calculate the speed of light in glass.
Can a projectile of speed 10m/s at an angle of 45° to the horizontal following a path perpendicular to a wall 8m away and 6m high reach beyond the wall? Justify your answer. Take g as 10m/s/s
A person stands on top of a cliff and throws a ball with a speed of 20 m/s at an angle of 10 degrees from above the horizontal into the sea. What is the height of the cliff to 1 decimal place?