99.36: What happens to the inertia of an object when its w 9l7lx 2hcwh;velocity is doubled?

  02.14: An intrinsic property of matter is one that does nonv c61b7 zgol-t depend on the quantity of matter present. Which of thvgz7cbnl-1o 6e following properties is NOT an intrinsic property?

  04.16: A 20 kg boulder rests on the surface of the Earth. Assume the Ear7-u b037h bzybo .vr8dpjl)qm th has mass dblbvuq.pmz- 0j7o8r37)b yh $5.98 \times 10^{24} \; kg$ 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 Earth. What rk.*q..e gzfs is the magnitude of the gravitation zr..ge.q*f skal force acting on the earth by the sphere? The Earth mass is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possibl zf3 kw67qgdu9xy( oh7 i1hr 2ffdmu/)e for an object’s velocity to increase while its acceleratiofz7 uf)qrh6fy1u7gx (md9 2wkh3do/i n decreases?

  00.11: A certain particle undergoes erratic motion. At ev umu flx6-2u*wery point in its motion, the direction of the particle’s momentum iu2* f-m6lw xuus ALWAYS

  17.14: A block is suspended in the air at the end of a strinhqblmz:g0n4rxvo 4974 xyd 6jg held by a person. The person pulls on the string uniformly accelerating the 9: 6dxr0 44qv7z jlg4xhbo ynmblock 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 followin) 3azll;2y:8th wag 9 i;jnlmig situations is the net force constantly zero on the objen8i;a) iw 2:;9 lymjh3zgllatct?

  13.28: An object is in free fall close to the ground. A person interv1s5*q,7 k tehrzn jky,enes 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 perss ,j* h5,z1 qeknyrk7ton? 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, anp0wnq3hrr0fnv+; 1rpd F3 ofrn+0pr 031f; qpwv nhr 70 N, acting on it. The magnitude of the resultant ofF1 and F2 is

  01.07: A force of 6 Newtons and a force of 10 newtonega-+x c 85wlk0hyw(zrk-,cf 6lxi2gcj1 w 5ks can be combine to form a resultant with a magni gkw1c2xk0irxhyg-l5k le(czfaw-,5 w jc68+tude of which of the following

  10.06: Which of the following statements is most closepj6d c392kuzn ly associated with Newton’s Third Law of Motionk2dn 69 jcpz3u?

  95.06: The reaction force does not cancel the action for wq)c::sbes;(eyc k* lce because:

  14.14: A box rests on the floor of axitrkzw9 /a2 5n elevator. The elevator is accelerating upward. Which one of the following choices best represents the Newton’s Third Law pair force to the g5rz2w 9/xt aikravitational force acting on the box by the Earth?

  15.15: A skydiver falls downward through the air with constant speed. 9zxr7ola xd1hqvtfy03:0-v.abvi ) v Which one of the following choices correctly describes the Newton’s Third Law pair force to the air resistance acting on the skydiver du3)v:v x o9a yqha flz v17bv-00xdrt.iring the fall?

  06.08: A baseball is thrown by a pitcq pu9yw my a*j7m5) fud9e*g6dp/ vd*bher with a speed of 35 m/s. The batterswings and hits the ball. The magnitude of the force that the ball exerts on themdp 9 5) * f9/yg*buvypda w7euq*jdm6 bat is always

  11.13: A physics book sits at rest on a table. On tev(g d 9hr: *2eysp: ucd18crtop 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 force that the table exerts on the byhrc(::p8 e *19evc std2rg duook?

  05.06: The students in a Physics I class were in lab conductin/ us,mn mrt2d:g an experiment related to Newt/smmtd2ur,: non's Second Law. The 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 object were doubled while ats8 m1xo/:dff +xrd/hz the same time the mass of the object was halved,then themhxd1fo// 8x:fzd r+s acceleration of the object is

  96.15: A car whose mass is 1500 kg is accelerated uniformly31u(h6v8lh dk 3waery from rest to a speed of 20 m/s in av ehd3 kh1u8( 3l6yrw10s. The magnitude of the net force accelerating the car is:

  99.05: A tractor-trailer truck is travelin *5l,vido 1b 27dpsmnng down the road. The mass of the trailer is 4 times the mass of the tractor. If the tractor accelerates forward, o n bdi sl,1pd7m*n52vthe force that the trailer applies on the tractor is

  99.16: Which of the following principles best exqvw;ui if:rk(5 g2,x +3lkczsplains why large tractor-trailer trucks generally accelerate much more slowly that automobifz;3,2uig(ckxqw5ivs: r+ k lles?

  99.19: A 50 kilogram skater at rest sy(d2v 9bk2x. kavvs9j,-k uxon a frictionless rink throws a 2 kilogram ball, giving the ball a velocity of 10sx-xu 9vvk,k29. v (dsk 2yjba.0 m/s. Which statement describes the subsequent motion?

  00.13: An object near the surface kzd( y;x9.f3y nqv5ruls2 qh- of the earth with a weight of 100 newtons is acceler; y.udk(- 52rqqy3n9v xhslfzated at $4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mass is 1200 kg is accelerated from rest by :hjqk1hvr , 6ims(d5i a constant force of 2400 N. What ii,qrhs k1jd(:mvi 5 6hs the speed of the car 8.0 s after beginning?

  98.32: A 3.0-kg block with initiaix t 3t:w q08/rmg ixey -p6ztex(k8m(ld y7x(l speed 4.0 m/s slides across a rough horizontal floor before coming to rest. The frictional force acting on the block is 3.0 N. How far does the bmwx036 qgxxttmexkpil8z8/: y d-(((t iy7e rlock slide before coming to rest?

  95.38: A block with vc;8 k2qmyu uaj /8/fwinitial velocity 4.0 m/s slides 8.0 m across a rough horizontal floor before coming to rest. The coefficient of friction ism8cyfu/w kq 8;2jua/v:

  09.21: A 20.0 kg box re5fx9oig f 8lf0qr+um v xvs:4w6o7a)gmains at rest on a horizontal surface while a person pushes directly to the righ0fr+xifgoo :g 6usf a5x) 7vqw8v49 lmt on the box with a force 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 initia +v1fhuei yg/t:5pbtwj zf x.6rr;o, lnw;9( plly moving at 8 m/s accelerates uniformly to rest on a horizontal surface. The block travels a distance of 12.0 m during the slide. Which one of the following choices best represents the coefficient of kj 19riu e(g;wty:zl+f6,.o hf tbpxrn vp/;w5 inetic friction between the surface and the block?

  00.21: A car of mass m slides across a patch of ice at at ,(ksw61cjsha2ocwkk +5b9(hc dm s8 speed v with its brakes locked. It then6,d(h1stsm( cc9k2 5kb k h+wscwo 8aj 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 pabj (ks/ e 651be0vfccitch of ice at a speed v with its brakes locked.01 f6biekcvc/s 5ej(b 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 stop by slamming on aq/3a 6qwmkc.b-5 eiw the car's brakes and skidding to a stop. How far would the car have skidded if it had been travelinw -bi .a/qe6cqwk 3am5g twice as fast?

  99.39: The driver of an automobile ml* jdr,/ abs pcba:bl2xe7 .e(ust carefully control each of the following devices. Which of these devices can cause an acceleration b/b s l*x,b( a7epjl.:crae2din 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 1500)gksdyej4 6p 90 newtons is 24000 newtons. About how much time is needed to increase the rocket ’ speed from 12 m/s ey dg6kp49j s)to 36 m/s near the surface of the Earth at takeoff?

  07.21: A box slides to the right across a horizontal floorc(+e wm)lxo z;. A person called Ted exerts 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. Giveoe zl)w(xmc ;+n 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 e.v8f/ jup7 q0xkaha9q qual length. Assume that on k7q8 qx9fahav.j/ 0upall 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 coaster tracks of equal ldwrpo 0 2eliah5 32x, 4y0.qjhkcq l3cength. Assume that on all tracks j 2,y 0lrqi5ql3khh43c xodp.ew0 2acthe 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 reach the finish first?

  02.29: Assume the rollercoaster cartrol daq0 +).:zmt rxwa9.lkp )hnvo.wj7e ls frictionlessly along the curved track from point A to point C under the influence of g . e0q9 wpn)r.xd vj:h)al a.o7k+ztmwravity. What would be the direction of the cart's acceleration at point

  02.40: A box with a mass of 50 kg kj0bo )n;srm4is dragged across the floor by a rope which makes an angle of 300 with the horizontal. Which o o0ksn4bjrm );f 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 pushel6gmqy-d 3 ;fr;wuw +,, tiyfud against a wall by a 100 N force as shown. Thecoefficient of kinetic friction is 0.30 while the coefficient of static friction is 0.50. What is true of the friction acting on the b y;y3lif- ;, rt+uwwdqfm,gu 6lock after a time of 1 second?

  05.10: A homeowner pushes a lawn mopx;n 99rz s-0nkawk8b*(hu siwer 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 the magnitudes of the various forces on the lawn mower. Which of the following relations among the various force magnitudes, W, p zn9s(b ;*an98suhkxw k0-irf, N, P is CORRECT?

  06.14: A book leans againsto5r2 xo,/bwq,:pywm n a crate on a table. Neither is moving. Which of the following stateme/,, n2wqbyw: px5romonts concerning this situation is CORRECT?

  06.15: A crate of toys remain,xt3nidgsb;z4,, kjjs at rest on a sleigh as the sleigh is pulled up a hill with an increasing speed. The crate is not fastened down to the sleigh. What force ,gnij 3s b ,z4dk,xtj;is responsible for the crate’s increase in speedup the hill?