99.36: What happens to the inertia of an object when its velocity i)sm 8ax /rng6p9jk7cku)jiz3s doubled?

  02.14: An intrinsic property of matter is one that does not depen3 8i/zqei7raz)r h7y id on the quantity ofz) ri eriah 37/qi78yz matter present. Which of the following properties is NOT an intrinsic property?

  04.16: A 20 kg boulder rests pyxtpp68zwz :)*ofs k4h: sx1 on the surface of the Earth. Assume the Earth has mass ptw:1h6 4zp8y)zoxspk:*f xs $5.98 \times 10^{24} \; kg$ and $g = 10\;m/s^{2}$ . What is the magnitude of the gravitational force that the boulder exerts on the Earth?

  09.12: A 5.0 kg sphere is in free fall near thyuq6t mt / jkudufr1,8xly8 (51 zxqr.e surface of the Earth. What is the magy,t/ xk 8q r.6ftur mz1y8xl(51udjuqnitude of the gravitational force acting on the earth by the sphere? The Earth mass is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible for an object’s velocity to increase while its accelera+*l keubm wy p50 yytzhs 5w5-v8qk;a;tion de0z w l5qmpv*uy5;b8 h+tke wk5ya;sy -creases?

  00.11: A certain particle undergoes er 7asxjhqh1) z6ratic motion. At every point in its motion, the diqs)7h 6zjh1a xrection of the particle’s momentum is ALWAYS

  17.14: A block is suspended in the air at the end of a string held by 7a)t:y tk5s hy*ez xu3a person. The personz7yat* skte uhx53 :)y pulls on the string uniformly accelerating the block upward for a short time. During this time, which one of the following choices correctly identifies the Newton’s Third Law pair force to the force of the string on the block?

  07.18: In which one of the followinf+50vy ;8npkb bd ;- sh *:cmy5tbggfgg situations is the net force constantly zero ons;+g:8 ft-h myckvg pn;ybd*f05bb5g the object?

  13.28: An object is in free fall close to the gr+ zx5m av7pug*d:zynojl-:n/ ound. A person intervenes and slows the object uniformly to rest. Which one of the following statements must be true about the magnitude of the acceleration of the object as it is being stopped by the person? The magnitude of th-+j7dzua:mp 5 *nznv/o:yxgle object’s acceleration is a and the magnitude of the acceleration from gravity is g.

  98.03: An object in equilibrium has three forces, F108mtt9-eod1k k w:j4t: li1 l vz2nazw of 30 N, F2 of 50 N, and F3 of 70 N, acting on it. The magnitude of the resultaant4vzm8 9k 1:wl1-eott il 2dwjk0: znt ofF1 and F2 is

  01.07: A force of 6 Newtons and a force of 10 newtons can be combine to form bdt ) u8y bu89m1*ll:u:atibe a resultant with a magnitude of which of the follot:luidb*b9u l:88ybma1) t uewing

  10.06: Which of the following statements is most closely associated with Newnf 3nifjigf5 j, ;rrf; 6tad(0ton’s jn; ff r3a (fnr0tijfd6,i;5gThird Law of Motion?

  95.06: The reaction 1koe7obi +8 hkforce does not cancel the action force because:

  14.14: A box rests on the floor of an euez o v qem9g0e;nl94*levator. The elevator is accelerating upward. Which one of the following choices best represents the Newton’s Third Law pair force to the90eomqe v ln9g u*;ze4 gravitational force acting on the box by the Earth?

  15.15: A skydiver falls down gq-3esqg v:xb/w(jm kb:pzs18 -hf ,pward through the air with constant speed. Which one of the following choices correctly depgvqjz w gs xfbm8bh(/p,-e3s ::-kq1scribes the Newton’s Third Law pair force to the air resistance acting on the skydiver during the fall?

  06.08: A baseball is thrown by a pitcher wiiz2 vci .1v a,4miltn.f 3-gfsth a speed of 35 m/s. The batterswings and hits the ball. The magnitude of the force that the ball exerts on the bai ni 1v,vas2 i -3.l4zffcg.mtt is always

  11.13: A physics book sits at rest on a table. On nc-azo 64n2hqc 5fmidx ,vo8.top of the book is a calculator, also at rest. Which one of the following choices is the Newton’s Third Law pair force to thexnz2-vi,.ndf4c5oq h8a o6cm force that the table exerts on the book?

  05.06: The students in a Physics I class were in lab conn:1uffv n mh;;ducting an experiment related to Newton's Second Law. Tf;hv f;mu:nn1 he collected data were displayed on the graph at the right. From this graph, what conclusions can the students make?

  99.03: If the net force on an objectnihb(w w+ r8xseaduj(3 omx o u.*04v+ were doubled while at the same time the mass of the object was halved,then the acceleration of thx( wx.hu+84u*3b+sdwni vja mr o0o( ee object is

  96.15: A car whose mass is 1500 kg is accelerated uniformly folu8;vhws,: owhj8 3drom rest to a speed of 20 m/s in 10s. The magnitude of the net force accelerating the car l8;w8ho o:3uv,dh w jsis:

  99.05: A tractor-trailerjw/*;qd (0jhxe 5 ehyq truck is traveling down the road. The mass of the trailer is 4 times the mass of the tractor. If the tractor accelerates forward, the force that tw dhy5(q; eehjj 0q/*xhe trailer applies on the tractor is

  99.16: Which of the following principles best explains(+ rtcfw ) 1pt43ivimu* zei(d why large tractor-trailer trucks generally accelerate tm tc3w(+i) ipf(urez*1di4v much more slowly that automobiles?

  99.19: A 50 kilogram skater at rest on a frictionless rijmud;n uk uhw :(75,kmnk throws a 2 kilogram ball, giving the k m,5k n;hj:muu 7wud(ball a velocity of 10.0 m/s. Which statement describes the subsequent motion?

  00.13: An object near the surface of thehuttw omv 867 on-m6c-klse,6 earth with a weight of 100 newtons is acu,o mt6n-l em- 6t7ksw8 o6hvccelerated at $4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mass9gz+8x orzb+ m is 1200 kg is accelerated from rest by a constant force of 2400 N. What is the speed of the car 8.0 s after beginning? xmg++8oz9z rb

  98.32: A 3.0-kg block with initial speed 4.0 m/spi(0f7wvej 2 x8hvmh, slides across a rough horizontal floor before coming to rest. The frictional forcev2,7e (x 8jivpwfh0hm acting on the block is 3.0 N. How far does the block slide before coming to rest?

  95.38: A block with z;chl tir q0 1b98 h(m+ud tkh-/eb(aminitial velocity 4.0 m/s slides 8.0 m across a rough horizontatbm(r hbu +al 19qd;mz0t8-c(/e kihhl floor before coming to rest. The coefficient of friction is:

  09.21: A 20.0 kg box remains at rest on a horizontal surface whilv23sm 3 ,u-c 8tvowsuee a person pushes directly to the right on the box with a forov3tuescs 8m3- , w2vuce of 60N. The coefficient of kinetic friction between the box and the surface is $\mu_k$ = 0.20. The coefficient of static friction between the box and the surface is $\mu_s$ = 0.60. What is the magnitude of the force of friction acting on the box during the push?

  13.16: A block initially movix- dndne3 34srng at 8 m/s accelerates uniformly to rest on a horizontal surface. n33sexd n4-rdThe block travels a distance of 12.0 m during the slide. Which one of the following choices best represents the coefficient of kinetic friction between the surface and the block?

  00.21: A car of mass m slides across a patch f zb,y m+eev1)7y,fpas/-v/ y r h/hpoof ice at a speed v with its brakes locked. It thenvs,+op7e r 1f/bhy,yfzv/- )ae/m hpy hits dry pavement and skids to a stop in a distanced. The coefficient of kinetic friction between the tires and the dry road is μ .
If the car had a mass of 2m, it would have skidded a distance of

  00.22: A car of mass m slides across a patch of ice at a speed v with its hs0u6i+q p*1hd*;h 2ksccgvzcb4g 8 ebrakes locked. It then hitshq +*8c4u p0d;v6*sbkg eih2c s1gh zc dry pavement and skids to a stop in a distanced. The coefficient of kinetic friction between the tires and the dry road is μ .

If the car had a speed of 2v, it would have skidded a distance of

  04.32: he driver of a car makes an emergency stop by slamming on the car's brake tdv g2op3yhvn6mpl v39d(f q.58-hksel 7zg8s and skidding to a stop. How fars-yvlpd 88v3oekfp.h2 l( n73 v9d mqhgz65gt would the car have skidded if it had been traveling twice as fast?

  99.39: The driver of an automobile musss5 9qa1-ealse zp, (wt carefully control each of the following devices. Which of these devices can cause an acceleration in a movis1,5ee-l zs (qw 9paasng car?
(1) the break pedal ( 2) the gas pedal ( 3) the steering wheel

  00.25: The net force on a rocket with a weight of 15000 newtons is 6q0fsedkfut 8 s m/9r.24000 newtons. About how much time is needed to increase the rocket tsmuf69 dfe/ 8srk.q0 ’ speed from 12 m/s to 36 m/s near the surface of the Earth at takeoff?

  07.21: A box slides to the right acrd:yj5phjh,7r f 1.qh e*x brcwpb 3z(*-i2 gzioss a horizontal floor. A person called Ted exerts a force T to t5brqg:z .-h x2 yjdzh *i31(hpp*bfc,j weir7he right on the box. A person called Mario exerts a force M to the left, which is half as large as the force T. Given that there is friction f and the box accelerates to the right, rank the sizes of these three forces exerted on the box.

  02.27: The diagram below shows three roller coaster tracks of equal lea f6e1,ai:ps4f zsl ay wd-95pngth. Assume that oa, 1f9fi:as4als e6z -5pw pdyn all tracks the roller coaster carts start from rest at the same elevation and moves frictionlessly over the tracks to the finish.
If all roller coaster carts start at the positions shown, on which track would the roller coaster cart be traveling the fastest at the finish?

  02.28: The diagram below shows three roller co6*/t wvea b vv42nxi;iaster tracks of equal length. Assume that on all tracks the roller coaster carts start from rest at the same elevation and moves frictionlessly over the tr2 /n*vav4;ie 6wxbvitacks to the finish.
If all roller coaster carts start at the positions shown, on which track would the roller coaster cart reach the finish first?

  02.29: Assume the rollercoaster cartrolls frictionlesslyu5ylx u8,b5 h,ij iaewim5..k along the curved track from point A to point C under the influence of gravity. What would be the direction of the cart's acceleration aym5j5w.8 i,5kxu .e a,u bihlit point

  02.40: A box with a mass o2:e v1 p vkcyx w1e/*bw48ide;o4ep off 50 kg is dragged across the floor by a rope which makes an angle of 300 with the horizontal. Which of the following would be closest t2yixv8e pcw;e*b4pofd4 vee1 ko w/:1o the coefficient of kinetic friction between the box and the floor if a 250 newton force on the rope is required to move the crate at a constant speed of 20 m/s as shown in the diagram?

  04.40: A 6.0 kg blockt/yf/mui l9 jm8,nnq+ initially at rest is pushed against a wall by a 100 N force as shown. Thecoefficient of kinetic friction iqmytnm iuf/+j98 ,n/ls 0.30 while the coefficient of static friction is 0.50. What is true of the friction acting on the block after a time of 1 second?

  05.10: A homeowner pushes a lawn mower across a horizo j84zjs e(,cejntal patch of grass with a constant speed by applying a force P. The arrows in the diagram correctly indzjjje e84, c(sicate the directions but not necessarily the magnitudes of the various forces on the lawn mower. Which of the following relations among the various force magnitudes, W, f, N, P is CORRECT?

  06.14: A book leans against a crate on a table. N03kwk/jp c nmnl-ms (6either is moving. Which of the following statements concerning this situation is CORRECT wkjmk n n6c/0smlp(-3?

  06.15: A crate of toys remains at rest on a sleigjm 2srai1.;t-3bjj mgh as the sleigh is pulled up a hill with an increasing speed.2r tg;ba i1jm.jjs-m 3 The crate is not fastened down to the sleigh. What force is responsible for the crate’s increase in speedup the hill?