5 Possible answers. 2 wear designer clothes. 6 children from poor families. 3 often bullied. 7 haven't got a uniform. 4 are expensive. 8 big. 5 afford them ..... 3 food was so bad. 4 couldn't stay on the beach. 5 haven't got time to go out. 6 were so
5 Possible answers. 2 wear designer clothes. 6 children from poor families. 3 often bullied. 7 haven't got a uniform. 4 are expensive. 8 big. 5 afford them ..... 3 food was so bad. 4 couldn't stay on the beach. 5 haven't got time to go out. 6 were so
5 Possible answers. 2 wear designer clothes. 6 children from poor families. 3 often bullied. 7 haven't got a uniform. 4 are expensive. 8 big. 5 afford them ..... 3 food was so bad. 4 couldn't stay on the beach. 5 haven't got time to go out. 6 were so
5 Possible answers. 2 wear designer clothes. 6 children from poor families. 3 often bullied. 7 haven't got a uniform. 4 are expensive. 8 big. 5 afford them ..... 3 food was so bad. 4 couldn't stay on the beach. 5 haven't got time to go out. 6 were so
termine the coefficient of friction for the granite on the concrete? ANSWER: (4) frictional force and normal force on the block. 131. The force required to start an object sliding across a uniform horizontal surface is larger than the force required
5 Possible answers. 2 wear designer clothes. 6 children from poor families. 3 often bullied. 7 haven't got a uniform. 4 are expensive. 8 big. 5 afford them ..... 3 food was so bad. 4 couldn't stay on the beach. 5 haven't got time to go out. 6 were so
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(/doc/9695469/forcesForces Worksheet #3 Newton’s Laws Problems and-newton-sFriction * laws1. A box is resting on a flat surface. The box has a mass of 20 kg and a force of 200 N is %E2%80%93pushing the box to the right. The force of friction acting on the box is 100 N to the left. problems) a. Draw a picture of the box and show all the forces that are acting on the box. . b. What is the acceleration of the box? 2. A sled is loaded so that it has a weight of 600 N. It is being pulled by sled dogs that are exerting a force of 200 N to the right. The sled is moving at a constant velocity of 2 rn/s. a. What is the net force acting on the sled? (/doc/5030862/a/ sled-of-mass-46r’’ b. What is the coefficient of friction between the sled rails and the snowy surface? kg-is-pulled-alongL snowcovered--flat1 gr...) i& M 3. The sled now in #2 accelerates to the right at 4 rn/s 2 due to a change in the pulling force of the dogs that is now larger than before. a. What is the frictional force acting on the sled now? (/doc/9178223/the- (/doc/9712925/the- (/doc/7020526/chapterkF &( roller-at-a-iscall-of-the-wild4-review) /&C moving-upwardvocabulary) — 0 with-a-velocity) b. What force must the sleddogs provide now to produce that acceleration? r f i_ F I I (/doc/9890469/chapter(/doc/6939275/forces(/doc/7899028/price6--force-andnotes) list---stabilizer0,;/çJ motion-ii) training) — II1 I U_ / L4qJ L_Gic$ t’J The dogs pull so hard that the strap attached to the sled breaks. If the sled was moving at (/doc/8121167/work-(/doc/8120748/applications(/doc/54924/work-6 rn/s when the straps broke and-power--of-kleeamsti) c. What acceleration will be acting on the sled now? tenafly-publicnewton%E2%80%99sp r4 schools) laws-of-motion) 2 L a I £Z Z 20o F d. How much time will it take for the sled to stop and how far will it travel? -z---— (/doc/8120731/the- (/doc/8123560/example(/doc/8126864/spongeAv’ 1 physics-of-sliding- --mrdsample) --a-200-kgLon-a-mountain) hockey-playerVt pushes-a-150-kg2 official-...) 0 F , ‘ix 1 (/doc/5534583/mgh- (/doc/5336980/friction(/doc/6460714/the‘0 --thingiverse) is-so-small-it-canphysics-of-friction) -2 t be-ignored) — 4 A 1500 kg cai is traveling at 100 km/hr along a flat road surface The car slams on its $* brakes and starts to slide. If the coefficient of sliding friction is 0.40, how far will the car travel prior to coming to a complete stop? 0 2 ‘v’F F (/doc/7761692/physics(/doc/3231780/newton(/doc/17181969/sustainedof-the-tractor-pull.- sled-directions.) low-efficientIt how-to-use-thedialysis) Z tractor-pull) -fr I ‘F/ 5 & ô) Liz. %,LI,b, — o 5. A box of old, musty physics books is sitting in the corner of a room. The box has a mass of 50 kg. The coefficient of static friction between the floor and the box is 0.9. a. How much force must be used to get the box moving? r I V’ / I 1 I FqqIJ co Uj ak \kqqj / b. How much force must be used to keep the box moving at a constant velocity if the coefficient of sliding friction is 0 5” • OS4 vn