99.36: What happens to the inertir4 vqh/9 w7yo4 k5ahfspj0:wla of an object when its velocity is doubled?

  02.14: An intrinsic property of matter is one that does not dep)2 b q *:lmrukd-z-lotend on the quantity of matter present. Which of the following properties is NOT an intrinsic pb*or :t-udqll 2m z-)kroperty?

  04.16: A 20 kg boulder rests onm,/jwn(;gjzeou ny i3g(c4;z the surface of the Earth. Assume the Earth has mass (4 jzg/y uwg ,nzmojn c;e(3;i$5.98 \times 10^{24} \; kg$ 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(oppt: 4 aq-qq of the Earth. What is the magnitude of the gravitational force acting on the earth by the sphere?p-:qao4p(tq q The Earth mass is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible for an object’s velocity to incr-w l.ka 0iyh1zease while its acceleration decreawyia1 k0. -lhzses?

  00.11: A certain particle undergoes erratic motion. At every point pp7 r cgcdt3q7k41rsb4 1g 7qbin its motion, the direct34qrpkrc sg t4cbqp7 17db 1g7ion of the particle’s momentum is ALWAYS

  17.14: A block is suspended in the air at the end of a string heldn.-jisps42;bib z 0dd by a person. The person pulls on the string u20d;bisjsz4 b.- ind pniformly 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 situa1 ow(gtj;*yshlhq5uv el;4 ( ctions is the net force constantly zero on 5u 4q s1(;oeh ;(lwjv y*lthcgthe object?

  13.28: An object is in free fwap5f*-5-s 1 ewxkf ufall close to the ground. A person intervenes and slows the object uniformly to rest. Which one of the following statements must be true about the magnitude of the eu5fxpff a*s5 w1- -kwacceleration of the object as it is being 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 forc;w zgf )*,qpp/(mdzjaes, F1 of 30 N, F2 of 50 N, and F3 of 70 N, acting on it. The magnitude of the resultantfpp/;,(dq m) zagjzw * ofF1 and F2 is

  01.07: A force of 6 Newlk2432zjire htons and a force of 10 newtons can be combine to form a resultant with a magnitude of rzk2l2hj43i e which of the following

  10.06: Which of the following statements is most closely a2+oa jbzpcf*+ssociated with Newton’s Thifpc*j2o+ + zabrd Law of Motion?

  95.06: The reaction force does not mmpv.xnj 400 7i zc4 6hcdgl/icancel the action force because:

  14.14: A box rests on the floor of a)cwf9ftql r znj9nb7 +1b6gr-wjz/z7w :iqr5n 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 the box by the Earth?571brjrtlw6 rnjiw- cz79) 9wfz g:+bfnqzq/

  15.15: A skydiver falls downward through the syjeqvme o57.e*s *)r air with constant speed. Which one of the fses5j*o v) *.me re7yqollowing 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 pitcher with a speed of 35 m/s. Tzpn *lkf :83/rw14cscyys8bfhe batterswings and hits the ball. The magnitude of the force that the ball exerts on the bat is 1s: cy /884cf3 r kbflswyzpn*always

  11.13: A physics book sits at rest on a table. On top of the book is a calculao 76v6v7rp-s 3wqmi whd n,u6etor, also at rest. Which one of the n q 67m-op d3svew76u ihvr,6wfollowing choices is the Newton’s Third Law pair force to the force that the table exerts on the book?

  05.06: The students in a Phymdvuxv2jw hb* +,4kxnn; ao2.sics I class 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 con2ujm *h;x 4+nwkn2x.va d,obvclusions can the students make?

  99.03: If the net force on an object were doubled while at the same time t9fcikt q6jcbh371z6 8c x ppm7he mass of the object was halved,then the acceleratcm677jt6fic9x 8pq ckbzph13ion of the object is

  96.15: A car whose mass is 1500 kg is acxfc +b 0 j oh+bkq0 *qv(mrlf*z-n*t-icelerated uniformly from rest to a speed of 20 m/s in 10s. The mag*co-qbth- f( k+ bjv*f0qi 0lxr zn+*mnitude of the net force accelerating the car is:

  99.05: A tractor-trailer truck is traveling down the road. The mass of*veyhbsi */(-zmqkb 5nw.k/e9/cdi d the trailer is 4 times the mass of the tractor. If the t/ /ns5ck/-qwid. vb(y*hime9*zekbd ractor accelerates forward, the force that the trailer applies on the tractor is

  99.16: Which of the following principles best explains why large trac e/nn7p:oxnp (tor-trailer trucks g /pp7: n(nonxeenerally accelerate much more slowly that automobiles?

  99.19: A 50 kilogram skater at rest on a frictionless rink thd2xae a-t:z/un;2z parows a 2 kilogram ball, giving the ball a velocity of 10.0 m/s. Which statement describes the subsequent motion?pa :a2nt2ezx-a/z;u d

  00.13: An object near the surface of the earth with a weight of 100 +0gimezu 4rg*f3i.o c newtons is accelerated aoi +0gr4mc3ez. ufg*it $4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mass is 1200 kg is accelerated froqk b d.*afynub )+sb y 3p.v(nhb30t4om rest by a constant force of 2400 N. What is the . n3poa0f. vkh(yyqb s nd*b 43+ubt)bspeed of the car 8.0 s after beginning?

  98.32: A 3.0-kg block with initial speed 4.0 m/s slides across a r)v8i 1lupg;c o vlm b5o:74kqv xm8lm1ough horizontal floor before coming to rest. The frictional force acting on the block is 3.0 N. How far does om8qp1: x;8lu cg omv1kibv llmv75)4 the block slide before coming to rest?

  95.38: A block with initial v -wet qoi-s 4q;: aklgmi7;in*fbth 37elocity 4.0 m/s slides 8.0 m across a rough horizontal floor before coming to rest. The coe7f tgt *-b hewms3ql ;ni:i i7ak;4q-officient of friction is:

  09.21: A 20.0 kg box rem v/op-. k-fxjjains at rest on a horizontal surface while a person pushes directly to the right on the box. kjxop/fvj-- 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 initially caopd*o8(pv9cqur 75rirx4:e 02 yng 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 followixgru0qar y(4op89 cnep*7v: c o5r 2idng choices best represents the coefficient of kinetic friction between the surface and the block?

  00.21: A car of mass m slides across ae9tg*w; km 3l axwj:*x patch of ice at a speed v with its brakes lock;*l3k eamww t9x:jg*xed. 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 mass of 2m, it would have skidded a distance of

  00.22: A car of mass m sl8ujxm j,6ic-;kw ok,z ides across a patch of ice at a speed v with its brakes locked. It then hits dry pavement and skids to a stop in a distanced. The coefficient of kinetic friction between the tires and thcxk 6-kmz oj8;,j,iwue 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 m wd9b9vo5u3fn8zkk 9 m i):zysakes an emergency stop by slamming on the car's brakes and skidding to a stop. How far would the car have skidded if it had been travel85 w )mzs9kfbo93y:ikvnd9uz ing twice as fast?

  99.39: The driver of an automobile must carefully control eac5iz1;v,d lmi8b ttl u jc3g gi7eo6)g5h of the following device31do;,lgci) v5gm 6u 5tgje 7ilbtz8is. Which of these 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 rz ku9bi-g t20o*sw9haocket with a weight of 15000 newtons is 24000 newtons. About how much time is needed to increase the rocket ’ suz *kb0tg9iwha -o29 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 0li 1c*n2irkxfloor. 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 larg i0c1 rx*ni2kle 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 length. Assu-uc 9m2m5b ihfme that on all tracks the roller coaster carts start from rest at the same elevation and moves frictionlessly over the tracks to the finisbf-29 uci5hmm h.
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 three7i 4qmyxla a)wcr2t 9* roller coaster tracks of equal length. Assume that on all tracks the roller coaster carts start from rest at the same elevation and moves frictionlessly oa*myx4lactq7w)2 9 r iver 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 cartrznyx1swd: two/ 5;5o aolls frictionlessly along the curved track from point A to point C under the influence of gravity. What would be the direca/ wo;o5wzs:5txd y n1tion of the cart's acceleration at point

  02.40: A box with a mass of 50 kg is dragged across the floor by a rope whic. ra bm3 +,ngd9k1gu o+mgd)lu3vvb2yh 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+19glm kvdu y3 bv3buon )2a ,md+r.gg 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 pushe f:p6-ni,+y+acn icp7 my8rr rd against a wall by a 100 N force as shown. Thecoefficient of kinetic friction is 0.30 while the coeffic 7:ri8p y+aymcn,+rrn -pf6icient 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 horizontal patcen8 ;b*cveup-ji;pd5 h 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, fb;ideu pc-;*p8enjv5, N, P is CORRECT?

  06.14: A book leans against a crate on a table. Neither is mo26kx+c8 nx-m3vtlzv y ving. Which of the following statements concerning this situatyxkx zvm 8n+t 263-vclion is CORRECT?

  06.15: A crate of toys remains at res9y2 b8:yyje+msn +xkof 4 u,sot on a sleigh as the sleigh is pulled up a hill with an increasing speed. The crate is not fastened down to the sleigh. Wxs,:fom y4+u oy9 2ysekb+n8jhat force is responsible for the crate’s increase in speedup the hill?