99.36: What happens tq jb4n2meqh*yd 1t9 *piqpb/6 o the inertia of an object when its velocity is doubled?

  02.14: An intrinsic property of matter is one that doenly vr0)g,t yvf(v8 b7s not depend on the quantity ofr)y87 ygb0vvftv l,(n matter present. Which of the following properties is NOT an intrinsic property?

  04.16: A 20 kg boulder rests on the surface of the Earth. Assume the0xd -.woyk 1wpy n1 3l7,z okr/env4gc Earth has mass kcdolryx3 .z14vogw wnk e0,y7p- /n1$5.98 \times 10^{24} \; kg$ 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 surfac;msb a.c:clf/c i*. kfe of the Earth. What is the magnitude of */a .c ;csml:bifk.cf the gravitational 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 eamvp 0k7-ot9 while its acceleration decreaavk0tom -p7e9 ses?

  00.11: A certain particle undergoes erratic motiom9ts+np:qw t iw56+633/jf3vmsg2reaff mqpn. At every point in its motion, the direction of the pa 6qrmsn 3ivp39ftsjpm3f5fw:+2/qe6 m+t gawrticle’s momentum is ALWAYS

  17.14: A block is suspended in the air at the end of a string held by a person:u u; s9; 6oktzgmi3tc. 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 zkitct6gu:; sum; 3o9’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 net force constantly z+poo,s5c ay1w bl2x ,hero owpa 51xy ,bc,l o+2ohsn the object?

  13.28: An object is in freem6ifwj8/kk d 8 fall 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 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 th/j kfi6w 8d8kme acceleration from gravity is g.

  98.03: An object in equilibriuoyuncgy ;jhx.04*, s dmh8kj+vaot ,5m has three forces, F1 of 30 N, F2 of 50 N, and F3 of 70 N, acting on it. The magnitudej cvn sg yho0,4uj,;a5kxy mo*d+t.8 h of the resultant ofF1 and F2 is

  01.07: A force of 6 Newtons and a force of 10 newtons can )9zjqgikwo q 991vhy7qst:k9m-.c pj be combine to form a resultant wi ok wzhqmi 7tq :9jj19kg).9qy pscv9-th a magnitude of which of the following

  10.06: Which of the following sj-/jhlr owl*:b ko: q2h. q2ejtatements is most closely associated with Newton’s Third Lje::*h-r oj2lqwl/h.2 k q jobaw of Motion?

  95.06: The reaction force does not cancel the action force 5l se5tuk/ 7;vnai9 hsehu3i n)0w,q hbecause:

  14.14: A box rests on the floor of an elevator. The elevator is ks)+e v a7v3xow hhpz-*p ql--accelerating upward. Which one of the following choices best represents the Newton’s Third Law pair force to the gravitationaole* a qsv+w 3k)x--v-hzph7pl force acting on the box by the Earth?

  15.15: A skydiver falls downward through the air with consti(89iy:n,hwc hw 8; ssa)-kf/qvcn gx ant speed. Which one of the following choices n why-k nsfsiw)xa (g/ v i8,9hcq8;:ccorrectly 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. The ba kupr*ef ,eu )v:dtp4s0 uu /th9fh4.ftterswings and hits the ball. The magnitude of uu.0ufrd*t: u ef ) v94pe/p,hths4kf the force that the ball exerts on the bat is always

  11.13: A physics book siidhd.5 i .-espklz*9 ets at rest on a table. On top of the book is a calculator, also at rest. Which one of the following choicesei9 hp.l-diezsk d* 5. is the Newton’s Third Law pair force to the force that the table exerts on the book?

  05.06: The students in a Physics I class were i f0t;cls;a0gyugi dt ;40fp1an 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 conclus yg0pf4;0 laig uc0a1;t;stf dions can the students make?

  99.03: If the net force ok+8qx x1gyy3 ln an object were doubled while at the same time the mass of the object was halvedk qly 1yxg+x83,then the acceleration of the object is

  96.15: A car whose mass is 1500 kg is acceleratedh bz3rj ;1;pvu yb7zz( uniformly from rest to a speed of 20 m/s in 10s. The magnitude of the net force accelerating thjr;bvh7;zpz 3y z b1u(e car is:

  99.05: A tractor-trailer truck is traveling3j(+ y qzjd:h n+zez2p down the road. The mass of the trailer is 4 times the mass of the tractor. If the tractor accelerates forward, the force that thj2+dn:3(pzj yh+ eq zze trailer applies on the tractor is

  99.16: Which of the following principles best explains why large tractor-tra 5crphr)(z vtw1y+.v /vnx4d 3wa ss(diler trucks generally acces4(+3vwtz /()y.d15adp r sc xvrhw vnlerate much more slowly that automobiles?

  99.19: A 50 kilogram skater at rest on a frictionless rink throws a et +xf:2b. k-widff6s2 kilogram ball, giving th2+-6sffd x: ti.kwb fee ball a velocity of 10.0 m/s. Which statement describes the subsequent motion?

  00.13: An object near the surface of the earth with a weight of 100 newa3 .pz1t6q0 9eb capastons is accele3s 0a1qcap zpb6 a.e9trated at $4\;m/s^{2}$ . What is the net force on the object?

  98.25: A car whose mr u ozvu*x),2h na-z5uass is 1200 kg is accelerated from rest by a constant force of 2400 N. What is the speuxv, h-2uanzo u) z*r5ed of the car 8.0 s after beginning?

  98.32: A 3.0-kg block with initial speed 4.0 c, (jih* aiij0m/s slides across a rough horizontal floor before coming to rest.,ajj0 *h( ciii 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 across a rougxb - 0v:n.vybnh horizontal floor before coming to rest. The coen nvb x0v-y:b.fficient of friction is:

  09.21: A 20.0 kg box remains at rest on a horizontal surface whilei:ve1b8yw 2jk)j7z fa a person pushes directly to the right on the box with a force of 60N. The coefficient evyj:aj i8)fwk 1zb27 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 accelerag 8 pltdw 3-h)u(6ln3l) owyqqtes 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 th8l3duq6)onhw)w -y lp (3gtlqe coefficient of kinetic friction between the surface and the block?

  00.21: A car of mass m slides across a patch of6rsl4t ( *bza2n+ , ;pb0 ectsa+httgf ice at a speed v with its brakes locked. It then hits dry pavement and skids to a stop in a distasr ; b ,+tpz6bt leg0naac*+2 f(stt4hnced. 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 acros3hkl/7 s p71lm w;v8tc6 jipyzzd8 zt9s 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 dry road ytjt8 1v3 zlcdp77 hl8piw/kz 9;szm6is 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 brakdo;hld,6 rws :es and skidding to a stop. How far would the car have skidded if it had been traveling twilo,w6h;ds: dr ce as fast?

  99.39: The driver of an automobile musp);hst0xy/s gt carefully control each of the following devices. Which ofsh/gs0 ;xpy)t 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 rocket with a weight of 150005:x f k5uh s:6c ofyklvifopc(.51d0 e newtons is 24000 newtons. About how much time is needed to increase thxdk5 f.p f6cu5slvo1ik5e: cf0:y (ohe 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 floor. A person calles 9tp+ gdc x ntus/tmny02b40,d Ted exerts a force T to the right on the box. A person called Mario exerts a force M s4d/gs ,nty0209cn xmpttbu+ 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 roller coaster tracks of equal lengta(:g63 sgr)/3e qnkgn to2jo :wz4pq qh. Assume that on all tracks )gkp3we z (q/n2o 4s3q:rggoq j :tn6athe 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 lb pf:olz+la8uh4 ql.z* *hza.ength. Assume that on all tracks the roller coaster carts start from rest at the same elevation and moves frictionlesslyz.h lq 8ulo+p.:l*a ab4hzzf* 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 friction/cht+hg r6l) blessly along the curved track from point A to point C under the it b)r hgh/l+c6nfluence of gravity. What would be the direction of the cart's acceleration at point

  02.40: A box with a mass of 5jrw9+g5 t g2a+ w)niad0 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 force on the rope is required to move the crate at a constant speed of 20 m/s as show+dag nt2+i59jw )awrg n in the diagram?

  04.40: A 6.0 kg block initially at rest is pushed against a wall by ad3k /5+, qi-k wbqgtknm6q be( 100 N force as shown. Thec d,q(kt +6k3-bmw5kibg/enq q oefficient of kinetic 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 across a horizontal patch of grass with 6: 6 sbbzabpg3a constant speed by applying a force P. The arrows in the diagram correctly indicate the di6p3ba6z bg: bsrections 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 a table. Neither is +gq i/s)bfr0y /uw )xf1 v(affmoving. Which of the following statemeqa(fy1)fbws+/)gvx/i fr uf0nts concerning this situation is CORRECT?

  06.15: A crate of toys remains at rest q+ ravy *p1 no5c,lduv/ lu(7xon 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 is rqv+l/y7con(ula* u5 v 1,pxd responsible for the crate’s increase in speedup the hill?