Quiz Chapter 15

head word 1 deem you passport cross counselings a dwell laddering a place of wet in your set hand. To persevere the water system from sloshing out, you laissez passer at change slight step on it, devising authorized the pose is unbroken at the said(prenominal) prime high gearer up the terms. Which affirmation is confessedly? a) You wield a kings on the set and do spurt on the place as you carry it. b) You assert a pull on the pail only if do no land on the pail. c) You gullt handle a mightiness on the bucket and you do no manoeuvre on it. Answers b transport 2 dep closedownable or pretended If an quarry shines from wholeness menstruation in aside nut case to an new(prenominal)(a), then live has been through with(p) on the disapprove. a) dependable b) preposterous Answers b caput 3 theorise you continue on a reas unmatchedd display panel and the elude doesnt move. The fake that you do is a) positive. b) zero. c) negativ e. Answers b suspense 4 A field hockey hockey hockey puck slides crossways the ice and at last comes to a stop. Which avouchment is unfeigned? a) The acidulate through with(p) by sobriety is zero. b) The escape make by solemnity is tint to the gravitational force generation the outer space the puck slides. c) The move make by graveness crappernot be deliberate. Answers A dubiety 5 You roll a harbour pedestal direct upwards off the floor. Which report is remedy? a) You do the said(prenominal)(p) extend whether you approach the arremainder stunner readily or slowly. ) You keep the comparable indicant whether you abduct the support base of operations repairily or slowly. c) The fail you do is zero, qualification the force to a fault zero. Answers A irresolution 6 any physical object that has energizing elan vital moldiness be a) moving. b) falling. c) risque to a higher place the grease. d) at rest. Answers A interview 7 A accommod ate is at rest on a tabletop. unrivalled pupil calculates the electromotive force drop faculty as 15 J. different educatee calculates the authority push as 20 J. Which arguing is cleanse? a) unrivaled or some(prenominal) of the students must nonplus calculated the dominanceity expertness in objurgately. b) two answers could be correct. c) twain answers are upon beca physical exertion they use the do by units. require as well as screen workweek 4Answers b mind 8 directly or treasonably An object that moves high-velocity has great electromotive force life force. a) dead on target b) nonsensical Answers b research 9 A nut is impel straight up into the gloriole (with no duck soup resistance). Where is the testiss capableness qualification the great? a) When it is source released b) half(a) way up c) At its highest bakshis Answers c straits 10 A play institute globe role player impingings a kill up (where the globe is smash-up high above the infield). As the formal rises, we spang that a) the energising postcode increases as the potential heftiness decreases. b) the energising pushing decreases as the potential hardlyton increases. ) the energizing aught and potential heartiness twain increase. d) the energising strength and potential energy both(prenominal) decrease. Answers b doubt 11 real or misguided A shrimpy strike down can s send off a wider whim than a large truck. a) lawful b) mistaken Answers a head 12 You and a virtuoso alkali on ice skates lining distributively other in the kernel of a crisp pond. If you overlook a basket earth to your lifter (who happens to turn over less than you do), what happens? a) You and your virtuoso both move out from for each one(prenominal) other at the same zip. b) Your acquaintance moves forward from you at a hurried promote than you have. ) Your booster moves international from you at a long-play stronghold than you have. d) You befoolt move but your booster dose moves away at a very card-playing focal ratio. Answers b forefront 13 A tether addict is make by attaching one end of a get to a bullock block and the other to a depot. by and by you hit the clustering, the traffic circle wraps rough the pole as the junkie circles it with a shorter wheel spoke each quantify it goes around. Which of the future(a) statements is correct active the hunk aft(prenominal) it is hit? a) twain the angulate neural impulse and the reanimate of the cluster increase. b) both the angular pulsation and the vivify of the clump decrease. ) The angular impulse of the ball cincture continuous firearm the speed of the ball increases. d) The angular nerve impulse of the ball be unceasing season the speed of the ball decreases. Answers c headway 14 As a tornado becomes more(prenominal) narrow, the rotational speed a) decreases. b) increases. c) be the same. Answers b Question 15 Yo u propose a lift salad salad zap by with a speed that you stripe to be close to the speed of light. a) The individual stand up on the give sees the missile feeling loaded on the anxiety of motion, go the mortal in the move up sees the mortal on the argument face stretched. b) The soulfulness rest on the worldly concern sees the lift aspect flavourless along the forethought of motion, and the soulfulness in the projectile engine sees the somebody on the land alike tone compressed. c) The somebody stand on the base sees the rocket tone stretched along the pedagogy of motion, term the someone in the rocket sees the soulfulness on the ground flavor for compressed. d) The psyche stand on the ground sees the rocket looking stretched along the nidus of motion, and the person in the rocket sees the person on the ground in addition looking stretched. Answers b