99.36: What happens to the inertia of an object when its v-(b,ef lbi*f5c o5:lu nzd8vn elocity is doubled?

  02.14: An intrinsic property of matter izvra +f8qnt(*s one that does not depend on the quantity o (*a nfrq+tzv8f matter present. Which of the following properties is NOT an intrinsic property?

  04.16: A 20 kg boulder 2z d6oncot:n;rests on the surface of the Earth. Assume the Earth has mass 2ctz 6n:nood; $5.98 \times 10^{24} \; kg$ 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 shtp5s+ -qlh pr0pypw- uq 6pc(q +(z;in free fall near the surface of the Earth. What is the magnitude of the ypp+s tp - 6+;qsc hqhzr(qp-05 (lpwugravitational 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 obj zblj go17*tl zad308kect’s velocity to increase while its acceleration dezdk o l7 g*j1zl8a0tb3creases?

  00.11: A certain particle undergoes erratic motion. At eveh kqu2uk h 4wz2u k.mp+n5jh-,ry point in its motion, the directiou4hu5 ,+wjk.zhkkhnm u2 -qp2n of the particle’s momentum is ALWAYS

  17.14: A block is suspended in the air at t0 pu1:sbyk:+l( rq hzjhe end of a string held by a person. The person 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 b:y: huk pr1z+(0qslj force of the string on the block?

  07.18: In which one of the following situatu3il4dstfxv3 kda sh,- 98;gtions is the net force constantly zero on the obje3 49;dgxvslh istd8tu3-f,ka ct?

  13.28: An object is in free fall close to the aa**z emqx f,0-s)fh 8xj(ztiground. A person intervenes and slows the object uniformly to rest. Which one of the followzh-* e*xtjzf(as)8q0fia , mx ing statements must be true about the magnitude of the acceleration 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 forces, F1 of 30 N, F2 of 50 N,8 ix4bmqe( *wx and F3 of 70 N, acting on it. The magnitude of the resulta(ewx miq48*bxnt ofF1 and F2 is

  01.07: A force of 6 Newtons and, .d7za nbik)/. yqmma a force of 10 newtons can be combine to form a re iz/k.q,.mm7yna) abdsultant with a magnitude of which of the following

  10.06: Which of the following stat(7q 72nebm8py*h/qwc w/tqwgements is most closely associated with Newton’s Third Law ofyqb/g /qpwh* e28qwcw7m (7n t Motion?

  95.06: The reaction force la+gknq g9 l, on*mn 34bjm(;rdoes not cancel the action force because:

  14.14: A box rests on the floor og p5kzuyrx/w1 t s0d f01b9ra8f an elevator. The elevator is accelerating upward. Which one of the following choices best represerbta/00f8d 1 xrg1 kyp9s5uz wnts the Newton’s Third Law pair force to the gravitational force acting on the box by the Earth?

  15.15: A skydiver falls downward through the air witm lrp8 a6q-6pqhihay;cg4 s2 3q;bpg5 h constant speed. Which one of the following choices correctly describes the Newton’s Third Law pair force to the air resistance acting ;gh 8qp qcaqai -rghpls 663;yp42m5bon the skydiver during the fall?

  06.08: A baseball is thrown 9na*2jhq ip (vby a pitcher with a speed of 35 m/s. The batterswings and hits thj* qh9 pvnai2(e ball. The magnitude of the force that the ball exerts on the bat is always

  11.13: A physics book sits at restl i.1cfx4lqg9 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 force th .4glxqf 9c1ilat the table exerts on the book?

  05.06: The students in a Physics I class were in lab conducting an experim4or0i nl0(mrw z.zf y2ent related to Newton's Second Law. The collected data were displayed on the graph at the right. From this graph, what conclusions can the studelwz4z0 f2.yrri(on m0nts make?

  99.03: If the net force on an object were doubled while at the samea k 2r+l oho/ip:w6uo9qz 73cbwbeb gr3, 42re time the mass of the object was halved,then the acceler +oiwr u k:,ogo4cb3erabql7ebh62/p3 zwr2 9ation of the object is

  96.15: A car whose mass is 1500 kg is accelerated uniformly frohv7w zykfq5(: .1ul:9s o5nrav z t0mpm rest to a speed of 20 m/s in 10s. The magnitude of the net force accelerating the:vl smfno0v9u (1t 5z 57 rwah:kzqpy. car is:

  99.05: A tractor-trailer truck is traveling down the road. The mas-l7gjrqf*f 2 u49ednis of the trailer is 4 times the mass of the tractor. If the tractor accelerates forward, the force that the trailer applies on the tr e7jlf -iu ngqr*d492factor is

  99.16: Which of the following principles best explains why large tractor-trailer 6h4 brvn z3zamkllwbcjj u(x,;7/q ;( trumab4,rw3 q/vl; nx(6k( 7 lzuz jj;hcbcks generally accelerate much more slowly that automobiles?

  99.19: A 50 kilogram skater at x/w vfp89wbzi-dq1g) rest on a frictionless rink throws a 2 kilogram ball, giving the ball a velocity of 10.0 m/s. Which statem x q)v9i-1w/ wdbfzgp8ent describes the subsequent motion?

  00.13: An object near the surface of the earth with a weight of 100xbbmdd1c4o/dhsu /01 newtons is accelexdsc0u/dbdo 4 h11/b mrated at $4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mass is 1200 kg/dnb/ z+ zguzc -cbw(+ is accelerated from rest by a constant force of 2400 N. What is the speed of the car 8(/cbzg +zc dbz- u+nw/.0 s after beginning?

  98.32: A 3.0-kg block with initial speed 4.0 m/s sle( 33wuvld jc0x*dl9s ides across a rough horizontal floor before coming to rest. The frictional force acting jl 3vxdldu0c9ew* s3(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 across9;t 7fk aglohc3y6 f-h a rough horizontal floor before com7h;holgf y9 k 36t-acfing to rest. The coefficient of friction is:

  09.21: A 20.0 kg box remains at rest on a horizontal surface rz1tu /q/(*r ,d*s4w i hkephycc6 /wvwhile a person pushes directly to the right on the box with a force of 60N. The coefficient ochzrrie*w wh c1 *v/d/spukq6,(t/y 4f 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 accelerates uniformly to rest onlci1c ;ltl 8 3u6r;bpnz.xiktz -c1n. a horizontal surface. The block travels a distance of 12.0 m during the slide. Which one of the inc nz;3 bpctl llu6k;i1 ..-cxz1rt8 following choices best represents the coefficient of kinetic friction between the surface and the block?

  00.21: A car of mass m slides acrosn0ahxtz k0 d0-s 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 the drxd 000ah-tkz ny 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 9;my.k dj:yefnhlcp8+ ifo:,ice at a speed v with its brakes locked. It then hits dry pavement and skids to a stop in a distanced. The coefficient o:fp9 o ,yl f:yjd.cenhi8;k+mf 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 ks2q* bv) 4cpjdlq, u,vj8/jgstop by slamming on the car's brakes and skidding to,kgjscq/j plb,du)j8*2 4qv v a 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 cont-c- zilmweni0) weg*+e,gu11uk m; etrol each of the following devices. Which of these devices can cause an accel -u11 e0-g)iete* uw;iw+mz,g nce kmleration in a moving car?
(1) the break pedal ( 2) the gas pedal ( 3) the steering wheel

  00.25: The net force oxhoud+ (6qva - 3x8qiin a rocket with a weight of 15000 newtons is 24000 newtons. About how much time is needed to increase the v+xhaid6i -(u3 qoq8 xrocket ’ 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 floor -sh 35l4ffmdk+ a.dxr. A person called Ted exerts a force T to the right on the box. A pers +-d fsarkh3.m45x fdlon 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 ro ;sqkndq,j,dth .tho .v;gc+64z: kgdller coaster tracks of equal length. Assume tha ko:gv+.,;ct.qktd,gh6s4z hjq dn;d t on 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 wn0w2axr: f27 x4z,nxro8 isy shows 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 frictionlessly over the tracks ty02w4n2 szxn,wxi: r78rafox o 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 cartru*z+vuh8 m3d 5 3u fslh-,vxiyolls frictionlessly along the curved track from point A to point C under the influence of gravity. What would be the direction of the cart's acceleraudi5+l h33f zx v*m,-8v uyushtion at point

  02.40: A box with a mass of 50 kg is dragge0ecp5g4szs); -rbll j d 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 ps)0jr-ec bgs z4 ll;5friction 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 pushed agdob0;k t:jkiu9 ri ,e9ainst a wall by a 100 N force as shown. Thecoefficient of kinetic friction is 0.30 while the coefficient of static friction is 0o;rukt,99:di kj0b ei.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 patch of grass with mml 94kuer , c)ozm 4klco l-4fji9fk,-x:u8za constant speed by applying a force P. The arrows in the diagram correctly indicate the directions but not necessarily the magnitudes of the various8ilo lf9:mk)4e, umc-kc4 9zmxrouj zf-4,kl 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. Neither is moving. Which o ;ya(any 5-f0ro umvak)+*(s+ qngol xf the following statements concerning this situation is CORRECT?oaaku*+yx -m g srn;(f)y5anl vo0+q(

  06.15: A crate of toys remains at rest on a sleigh as the sleigh is pulled up + oiknpc sg 511ic+x2la hill with an increasing speed+noc25gk l1pi + 1scix. The crate is not fastened down to the sleigh. What force is responsible for the crate’s increase in speedup the hill?