99.36: What happens to the inertia of an objec4m 6ht f-i a)tc56)yd.vfqgsr t when its velocity is doubled?

  02.14: An intrinsic property of matter is one that does not depend on the qufedaljl zv0g- cw9)+6antity of matter pra vzl fge6j-+0l9 cwd)esent. Which of the following properties is NOT an intrinsic property?

  04.16: A 20 kg boulder rests on the surface of the Earth. Assume the Eabv:imrf; ;:uge ex7 o.rth has mass ou:.bx me; vg;r7fi: e $5.98 \times 10^{24} \; kg$ 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 theu offwd e5 j7zgd76nj05pbav.j902zirm* yd ; Earth. What is the magnitude of the gravitational force acting on the earop95fdrajye*i z j m6v02dzd0b7gwn 5j7f.;uth 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 acceleratigdrs 7)-8:hxl uy;xtf on decreasht:-) fxry7s g ld;ux8es?

  00.11: A certain particle undergoesr :2d7do lv,)+9cnztkmf9rcj sr ;(zvxhv)*n erratic motion. At every point in its motion, the direction of the particlz vdm n)*xc vch,+vn)l;rd997rz:o s 2tjr(kfe’s momentum is ALWAYS

  17.14: A block is suspended in the air at the end of a s 7/v 8alxhys5etring held by a person. The person pulls on the string uniformly accelerating the block upward for a short time. During this time, whi ey85 svahl7/xch 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 8*g9b izl hfwms iem7 1nj;;q)the following situations is the net force constantly zero on thqim;;m9nf*iw g7sb eh)lz 81je object?

  13.28: An object is in free fall close to the ground.( b)lq1yb /ely 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 per1 ()y/bllq ybeson? 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 ofcl e9.; f1k lmmd6xnk5 50 N, and F3 of 70 N, acting on it. The 9d6k1n f.ceml;lkxm 5magnitude of the resultant ofF1 and F2 is

  01.07: A force of 6 Newtons and a force of 10 newtons can bh rjtk.0(x; l tjx.9-sibu/mg e combine to form a resultant mu;j/ihk bl( -g0.r9jt s.xx twith a magnitude of which of the following

  10.06: Which of the fxh 30xa/ d/stj9t5sppollowing statements is most closely associated with Newton’j xh /s/5a9tpdt0p xs3s Third Law of Motion?

  95.06: The reaction force does not cancel the action forco y y; kil*4eek)ve5y9e because:

  14.14: A box rests on the floor ofes-a-*vpf d ye6/-eyu4kyxz;(de o5z an elevator. The elevator is accelerating upward. Which one of the following choices best represents the Newton’s Third Law pair force to the gravitational force acting on th 4 6e; xf(yp-eyyv/do5se*ku -dz-zaee box by the Earth?

  15.15: A skydiver falls downward through the air with czz5zs+ *gxw9wonstant speed. Which one of the following choices correctly describes the Newton’s Third Law pair force to the air resxz 9ws+w*zz5g istance acting on the skydiver during the fall?

  06.08: A baseball is thrown by a pitcher with a speed of 3x*7mh yrat5d wwvg .iyjz(hj9;b::r 35 m/s. The batterswings and hits the ball. The magnitude of the force that the ball e 5drvwhmj *byj(;3x9 ay wi7.h :grtz:xerts on the bat is always

  11.13: A physics book sits a4pa b5a)uymmrh6 i .m6t rest on a table. On 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 the forcuhp)5maymb mia 6r 64.e that the table exerts on the book?

  05.06: The students in a Physics I class were in lab conducting an y b rqj.1c6lpp3+2tgca)-n) em 6txub 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 students mabpt1lxqb+t)n 36c)- c.26yge upjr amke?

  99.03: If the net force on an object were doub axwti qtuvm3f:9e732 led while at the same time the mass of the object was halved,then the accew9ut f:v3xi 27q meat3leration of the object is

  96.15: A car whose mass is 1500 kg is acceleratedf fc slu399b1 f5nrwr+ uniformly from rest to a speed of 20 m/s in 10s. The magnitude of th u5 r1rbff+ cwfsl9n39e net force accelerating the car is:

  99.05: A tractor-trailer truck is traveling down the road. The mass ofav4r3qj9+ ft*.n/m4wcy khqfnh( )tw the trailer is 4 times the mass of the tractor. If the tractoq(whntc k93*fjr)v.wmy4nq 4t f+ /h ar accelerates forward, the force that the trailer applies on the tractor is

  99.16: Which of the following principles best explaq6+; 2 gb*cehx kmpu*oins why large tractor-trailer t* kcupx m2+*g6hbeqo;rucks generally accelerate much more slowly that automobiles?

  99.19: A 50 kilogram skater at rest on a fr0cr/e:ni fnkg9 n,kix-.v7adictionless rink throws a 2 kilogram ball, givinxn:-7fig iandkvr.0cn,9 /k e g the ball a velocity of 10.0 m/s. Which statement describes the subsequent motion?

  00.13: An object near the surface o+w2,lsxtm8ci1bk ( og, ryfg li-lp5-f the earth with a weight of 100 newtons is accelerated at gb- ,,s mf(collwi kg p+yt2rl85 ix1-$4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mass is 12a9i/bg 2)mh0jghz 4hd 00 kg is accelerated from rest by a constant force of 2400 N. What is the speed of the car 8.0 s after beginj /h4 2gd )m9ghzi0bahning?

  98.32: A 3.0-kg block with initial speed 4l:y k dbh7 6a-3jwr.8dcnlk7m.0 m/s slides across a rough horizontal flooa rlddy6k8-j:l3c7 .hn7 kwbmr before coming to rest. 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 initial velocity 4.0 m/s slides 8.0 m acrock8 ag 2osv.4ass a rough horizontal floor before c4k82vsa acg.ooming to rest. The coefficient of friction is:

  09.21: A 20.0 kg box remains at rest on cf qc7kn17nn:xqkz61pe*fc -ki tx16 a horizontal surface while a person pushes directly to the right on the box with a force of 60N. The cop fkn*c6776:ncc-nfeq1 x t 1kxzk1qiefficient 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 moving at 8 m/s ac.a jl5fjbtt f4 pa39,pcelerates uniformly to rest on a horizontal surface. The block travels a distance of 12.0 m during the slide. Which one of thb pl4. p9,jf5ajtta f3e 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 patf)n j/mb ob.:rch of ice at a speed v with its brakes locked. It then hits dry pavement and skids to a stop in a distanced. Tb)j:/or mf nb.he 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 slixa n: wv.1xmp0des across a patch of ice at a speed v with its brakes locke0x wpvna.mx1 :d. It then 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 speed of 2v, it would have skidded a distance of

  04.32: he driver of a car makes an emergency c0*tuk8ml loc, gsm28 stop by slamming on the car's brakes and skidding ,msl km8tgol082c*cu to a stop. How far would the car have skidded if it had been traveling twice as fast?

  99.39: The driver of an automobile 9.tqz(nj-ey6 qkmr 2c must carefully control each of the following devices. Which of thes2r -mq(.tqny6c9ekz je devices can cause an acceleration in a moving 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 24000 nemwp6. 6t b-iwzwtons. About how much time is needed to increase the rocket ’ speed from 12 m/s to 36 m/s near th 6mwwipz-t. b6e surface of the Earth at takeoff?

  07.21: A box slides to the right across a horiz cknfg(tjj18mvq2eei / oh ;3*ontal floor. A person called Ted exerts a force T to the right on the box. A person called Mario exerts a force M to tfn m(e ;t* 13jjo chig/8qe2vkhe 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 shows9i9vgv6hj0/s rhknz2 )u 8 xqe three roller coaster tracks of equal length. Assume that on all tracks the roller coasth 6 un8 9 gkx/zsqh29)0jevrvier 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 show )pf omks2lp1(s three roller coaster tracks of equal length. Assume that on all tracks the roller coaster carts start from rest at the same elevation and moves frictionlesslyopk p12s)(lf m 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 frictionlessly along the curveda,e;saap2xxm)*e1t qdhrm( - ;ie c i1 track from poie p1h ct;re1ma; 2mda*,sxiea)(x-iqnt 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 z6fiqfpcj oj1q /3h8850 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 to the coefficient of kinetic friction between the box and the floor if a 250 newton forcez/jqjo1 88 qffi63hp c 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 pushed against a wall by a 100 N 3pn cg t-m9wja )toebb;m 0z57force as shown. Thecoefficient of kinetic friction is 0.30 while the coj- w a0cn ;op57)3tm9zgembtbefficient 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 mowe9cei /,5 dobkpl, .pxgr across a horizontal patch of grass with a constant speed by applying a force P. The arrows in the diagram correctly indicate the directions but not necessarily t xci go.,95k,e/dplp bhe 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 f 4gsk ,ccvo3u3/o* ggcrate on a table. Neither is moving. Which of the following statements concerning tcu,o kf3/s3gcggv4 o*his situation is CORRECT?

  06.15: A crate of toys remains at rest olf -a ncgd1 b:i vus/5*ib/z:mc5(vcdn a sleigh as the sleigh is pulled up a hill with an increasing speed. The crate is not fastened down to the sleigh. Wb :uif5vs1*m/:g l dizcbncc(5a v- /dhat force is responsible for the crate’s increase in speedup the hill?