99.36: What happens to the inertia of an object when i+ o-1t +prlkkpts velocity is doubled?

  02.14: An intrinsic property of 96vkp q 6uux)ujmkz62 l(tx7qmatter is one that does not depend on the quantity of matter present. Which x kujku6xt(6qz )v lup2q697m of the following properties is NOT an intrinsic property?

  04.16: A 20 kg boulder rests on the surface of the Earth. Assume thepu t5p0zf ll )fol61t+cj1w0 :pzrz6s Earth has mjzc5uz6flt rp pplw1zs +o):0ft610l ass $5.98 \times 10^{24} \; kg$ 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 the surface of the -4m9bwfpe*s .opq(j8r (irzkEarth. What is the magnitude of the gravitationaloqzsr 4 p pbrmj89.-k*(f(i ew 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 jo p1 jplj6 m/g*d;lep 1+h gaf 2a6q6.h6wawlacceleration de*e +whl l6211jmod6p6pjah ;g6j w gf./pqlaacreases?

  00.11: A certain particle undergoes erratic motion. At every point in its m8m i*wta-fmn5inw43 motion, the direction of the particle’s momentum is AL n3 tmim5 inaww*-f4m8WAYS

  17.14: A block is suspended in the air at the end of a7k,cl5e ,x5n707z, dlh bpfwl fc vy6r string held by a person. The perso wpfh byv5llr56, l,nc f77, 7xdc0zken 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 following situations is the n k/ukf(i++qwh 8ud9 jvet force constantly zero on the objectjudk(kfi /h+8+ wqv u9?

  13.28: An object is in free fall close to the ground. A c+p-yk6 hkkm,k8 as .iperson 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 bein +mkk8.kh,ski-6cy pag stopped by the person? The magnitude of the object’s acceleration is a and the magnitude of the acceleration from gravity is g.

  98.03: An object in equilibrium has three forces, F1 of 30 N, F2 of 50 N, izuew38(vi8j16s vyh and F3 of 70 N, acting on it. The magnitude of the resultant6zsy 3w8ev( 18hvij ui ofF1 and F2 is

  01.07: A force of 6 im ;(:ugvef2w Newtons and a force of 10 newtons can be combine to form a resultant with a magnitude of which of thu;m:ewiv2f (g e following

  10.06: Which of the following statements is mhb )r41wufz(ihy0 on ;ost closely associated with Newton’)o ;nr4 buw0(ihfyzh 1s Third Law of Motion?

  95.06: The reaction fo6 tn00drnca dby3b*k5) tb ry0rce does not cancel the action force because:

  14.14: A box rests on the floor of an elevator. The elevat+.*l1fp.ia6 unm/xww5)b n ,bgrlrn tor is accelerating upward. Which one of the following choices best represents the Newton’s Third Law pair force to the gravitationa.6.u rn*f r/+xw1tgnl 5 )bmblwpi an,l force acting on the box by the Earth?

  15.15: A skydiver falls downward through the air with constant speed. mw6e5axmar *u7w+o 9lhwknr *. e9hq1Which one of thele awm+u9 .rex7 1nwm*h*a rw5o9k6hq following choices correctly describes 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 pi9zkvr43 /zhhitcher with a speed of 35 m/s. The batterswings and hits the ball. The magnitude of the force that the ball exerts on the bat is alwki4z3rh/hv z9ays

  11.13: A physics book sits at rest on a table. On top of the book is a cal-i qb k.gt-)7tqw9,ssn eed p0lf2jl 9my-o3aculator, also at rest. Which one of the following choices is yeits ,)bf-- d9.ao9 l7ent km wl-2qj03sqg pthe Newton’s Third Law pair force to the force that the table exerts on the book?

  05.06: The students in a Physics I clvkw8.qk xck fcguk2xaj:d /f,m 9 -,q08v4j csass were in lab conducting an experiment related to Newton's Second Law. The collected data were displayed on the graph at the right. From this graph, what conclusions can the s- sgx9qv2m kxf0 ,qcuc 4.f8,wd jj :/a8kkkcvtudents make?

  99.03: If the net force on an objec 3rh kgiyr6fy7.x2 g4st were doubled while at the same time the mass hykr2sgy76 . 4gfrix 3of the object was halved,then the acceleration of the object is

  96.15: A car whose mass is 1500 kg is accelerated unib,89v+c mzlkw.ki vn7 formly from rest to a speed of 20 m/s in 10s. The magnitude of the net forc.vb8 m7 l9wk+,kcvn ize accelerating the car is:

  99.05: A tractor-trailer truck is traveling down the road. The mass of the4:zmr)5oqmy, f tj4t i trailer is 4 times the mass of the tractor. If:)oimzm,f5q jy4r4tt the tractor accelerates forward, the force that the trailer applies on the tractor is

  99.16: Which of the foll ab:b8o.a it1b h+ bbxb4;fkd3owing principles best explains why large tractor-trailer trucks generi;d:b .bk1 abota4bx83bhb +f ally accelerate much more slowly that automobiles?

  99.19: A 50 kilogram skater at rest on a frictionless rin jmiacshlv83c51,x5zssf e6sn 8 * ,-fr3 iopzk throws a 2 kilogram ball, gcp5 f3ozh, e3v8c lf58 xs a*1m,ssiinzjs-r6 iving the ball a velocity of 10.0 m/s. Which statement describes the subsequent motion?

  00.13: An object near the surface of udko b.a(y86s+ ei( ll1cf6yu the earth with a weight of 100 newtons is accelerated atd s16y e o(u8fuiak(6 bl.lcy+ $4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mass is 1200 kg is acciu(djh(f6wy*t k znu9x , r//lelerated from rest by a constant force of 2400 N. What is the speed of the car 8.0 s after beginj( r/wh(l*9 /uu 6,txyfdizknning?

  98.32: A 3.0-kg block with initial speed 4.0 m/s sliwzi2*aeb,sccb// 9li des across a rough horizontal floor before coming to rest.il/ecizs , bb 9c*aw2/ The frictional force acting on the block is 3.0 N. How far does the block slide before coming to rest?

  95.38: A block with initia 38k5;oz ku 1;jc)pgn wv8,e:sgkp ztyl velocity 4.0 m/s slides 8.0 m across a rough horizontal floor before coming to rest. The coefficient3; unc8jwp,15 :ggtkz keozs )y8 kp;v of friction is:

  09.21: A 20.0 kg box remai-x4na sbt*,zhns at rest on a horizontal surface while a person pushes directly to the right on the box with a force of 60N. The coefficient of kinetic friction betweenbsz*ah4xt n ,- 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 moving at 8 m/s accelerates uniformly to rj.gs1upp) 5 epp x7m0ob,3 ovaest on a horizontal surface. The block travels a distance of 12.m)v, pp.p 7xujbg p5soo3e1a 00 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 of ice at a speed v with its gz9zn 82muirk0 qom: +brakes locked. It then hits dry pavement and skids to a stop in a distanced. The coefficient of kinetic friction between the goi:n0m2m+8 zk q r9zutires 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 j,gz g. 3gtx3q.hhq 0ry28q umat a speed v with its brakes locked. It then hits dry pavement and skid .zx mjgq3hhg qt3. yq,g8r20us 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 mxgw2xlwu8 h47q. zq5brakes and skidding to a 8xuxqwh. 2 m45qzl7gw stop. How far would the car have skidded if it had been traveling twice as fast?

  99.39: The driver of an automobile must carefully control ixyg)z .hi r2m-gj5n9 each of the following devices. Which of these devices can cause an acceleration in a moving caz5)gx-gi ni9.r2 jm yhr?
(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 newtons9fu y l6nch(p2s :euq6 is 24000 newtons. About how much time is need n(2y hsql6f:u9 6peuced to increase the rocket ’ 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 across a horizontal flg :ogm dd57gt-oor. A person called Ted exgg5: t-dgd7moerts a force T to the 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 roller7s0fstaf7 5 cd5vx wv2 coaster tracks of equal length. Assume that on all tracks the roller coaster carts sta72 va wsxvc5fts07d f5rt 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 coaster tracks of equal lengthqmh/qw t;6o v.. Assume that on all tracks the roller coaster carts start from rest at the same elet/6 m o;.hqwvqvation 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 reach the finish first?

  02.29: Assume the rollercoaster cartrolls frictionlesskqsocrgg :n8)h6j)+ w a hd8(wly along the curved track from poihsjow khwr+(n6 8d :g qga))8cnt A to point C under the influence of gravity. What would be the direction of the cart's acceleration at point

  02.40: A box with a mass of v*v.0xhmpzy350 kg is dragged across the floor by a rope which makes an angle ov3 yp0z.mxh *vf 300 with the horizontal. Which of the following would be closest to 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 block initially at rest is puslo0i. *8p fi68yr-6rm jr d)nt-vk6 pi i8phushed against a wall by a 100 N force as shown. Thecoefficient of kinetic6 piomnvpi -rir jr t8dulhs.y 0*6kf)i8p6-8 friction is 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 acrossbsy1n 6h 6-sji a horizontal patch of grass with a constant speed by applying a force P. The arrows in the diagram correctly indicate the d i66-sjsn hy1birections 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 az8na8 7red0tz5 7pckb8 bn/qj table. Neither is moving. Which of the following 5z8qz n7kr 7da8b e 8/0bctpjnstatements concerning this situation is CORRECT?

  06.15: A crate of toys remains at rest on a sleio o8;rwkxwra+n2r) w8a4i-xw gh as the sleigh is pulled up a hill with an increasing speed. The crate is not fastened down to the sleigh. What force is responsible for the crate 4);rr2nwww-8 8+raox kiaxwo’s increase in speedup the hill?