Multiple choice only 1. Find the horizontal and vertical components of a 40N force the direction of which is 50° North of East.a) Fx=30.64N; Fy=25.7Nb) Fx=64.30N; Fy=27.5Nc) Fx=25.7N; Fy=30.64Nd) Fx=27.5N; Fy%364.30N2. Find the horizontal and vertical components of a 40N force the direction of which is 50° East of North.a) Fx=30.64N; Fy=25.7Nb) Fx=64.30N; Fy=27.5Nc) Fx=25.7N; Fy=30.64Nd) Fx=27.5N; Fy364.30N3. Which Statement is true?a) A ball inside a moving car is not moving relative to the carb) A ball inside a moving car is moving relative to the groundc) Both statements are trued) none of the statements are true4. In a vacuum tube, a feather is seen to fall as fast as a coin. This is becausec) greater air resistance acts on the coina) gravity doesn't act in a vacuumb) air resistance doesn't act in a vacuumd) gravity is greater in a vacuum5. A body of mass 15kg rests on a horizontal frictionless plane and is acted on by a force of 30N. What is theacceleration produced?a) 5m/s?b) 3m/s?c) 4m/s²d) 2m/s?6. When a net force acts on an object, its acceleration depends on the object'sd) weight.a) initial speedb) volumec) mass7. Raising an auto in a service station requires work. Raising it in half the time requiresa) twice the powerb) half the powerc) the same powerd) four times the power8. What is the Potential energy of an 82kg boulder placed on top of a hill 5m high?b) 4810 Ja) 4180 Jc) 4108 Jd) 4018 J9. It is a quantity of motion described as the product of mass and velocity of a moving body.b) Momentum c) Kinetic energya) Impulsed) Force10. If a body has mass but is at rest, it hasa) Zero Potential Energyb) Kinetic energy equal to its massc) zero Momentumd) Force equal to its mass11. When you roll a tapered cup across a table, the path of the cup curves because the wider end rollsa) slowerb) fasterc) at the same speed as the narrow partd) in an unexplained way

The horizontal component of a vector making angle a with the x axis is FX=Fcosa…

1. Find the horizontal and vertical components of a 4ON force the direction of which is 50º North of East. - a) Fx=30.64N; Fy=25.7N b) Fx=64.30N; Fy=27.5N c) Fx=25.7N; Fy=30.64N d) Fx=27.5N; Fy=64.30N

1. Find the horizontal and vertical components of a 4ON force the direction of which is 50º North of East. - a) Fx=30.64N; Fy=25.7N b) Fx=64.30N; Fy=27.5N c) Fx=25.7N; Fy=30.64N d) Fx=27.5N; Fy=64.30N

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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