99.36: What happens to l,ae10wi8z9 ilb;ymffqkr 1+bh d8r e)*m *fathe inertia of an object when its velocity is doubled?

  02.14: An intrinsic property of matter is one that does not depend ojh- ovp4)h ;ian the quantity of matter present. Which of the foo)-jah4;v iphllowing properties is NOT an intrinsic property?

  04.16: A 20 kg boulder rests on the surface of the Earth. f*66/fa mtjn f8lfam- Assume the Earth has massf6a tf6/n fm-8lmf ja* $5.98 \times 10^{24} \; kg$ 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 surfac3y4a,s v6 fzkbe of the Earth. What is the magnitude of the grak z,a63 ysvbf4vitational 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 while its accel1h* abg .y)qzl4 (xn(v q5bztaeration dqlvba )4gn1. (5y*a zx hq(zbtecreases?

  00.11: A certain particle undergoes erratic.p+zj -kgh2f z motion. At every point in its motion, the direction of the pargkjzh zp.- +2fticle’s momentum is ALWAYS

  17.14: A block is suspended in tp )ou*--vcp*rp+xz5wg r 8pz (oidn9khe air at the 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 fpk8v5*(pc) z-n opzog+x9irrpw-u *dorce of the string on the block?

  07.18: In which one of the following situations is the net force qqx,. xi;of(aconstantly zero i.;xa,q o (fxqon the object?

  13.28: An object is in free fall close to the ground. A person interve ex5fu cd4(4ztxca (j;nes and slows the object uniformly to rest. Which one of the following statements must be true about tecxj; xc (utf4a4d( z5he 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,f825 lqv 1 6x udq/oxe-wuufk4 F2 of 50 N, and F3 of 70 N, acting on it. The magnitude of the resultant ofF ol5-qxk fx6qu1wu/vdu e482f1 and F2 is

  01.07: A force of 6 Newtonbg35;h 4rdemu s and a force of 10 newtons can be combine to form a resultant with a magnitude of whu 5de m34h;gbrich of the following

  10.06: Which of the following statements is most closely associated nppc;i6mu2f r5c1cs* with Newton’s Third Law2 f m15;cr6 c*nupcips of Motion?

  95.06: The reaction force does not cr vk;b a:tod*8ancel the action force because:

  14.14: A box rests on the floor of an elevator. The elevator is accelehq 60.u17ssw:1iz rslrhbt k; rating upward. Which onk:h1rs q ls1si67 hrt0w;uz.be of the following choices best represents the Newton’s Third Law pair force to the gravitational force acting on the box by the Earth?

  15.15: A skydiver falls downwardo rp tu*.x0jn+ through the air with constant speed. Which one of the following choices correctly describes the Newton’s Third Law pair force to the air resistance acting on the skydiver duuxo0r *nt j.p+ring the fall?

  06.08: A baseball is thrown br(i mn-rtyi,bx.; yo) y a pitcher with a speed of 35 m/s. The batterswings and hits the ball. The magnitude of the force that the ball exerts on t,ri.m) (y;o b ix-ynrthe bat is always

  11.13: A physics book sits at rest on a table.i0(hdhh-63gveg c) 06s wrz jy 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 that the table exerts on the book?3(jgwv crh h06ezdh )y6g 0-si

  05.06: The students in a Physics I class were in lab conducting an expefy0egcms) y8b9 82x.jrcb ja*riment related to Newton's Second Law. The collected data were displayed on the g*as8 0e2 cjbfx9brgcy y.8)m jraph at the right. From this graph, what conclusions can the students make?

  99.03: If the net force on an object were doubled while at the ssu5 5xnx.a*d wame time the mass of the object was halved,dusx5. 5an*xwthen the acceleration of the object is

  96.15: A car whose mass is 1500 kg is accelerated uniformly from rest to a speep b.jfg:p1 oi8 urs80rd of 20 m/s in 10s. The magnitude of the net fob j opr1sg:0i rpf8.u8rce accelerating the car is:

  99.05: A tractor-trailer truck is traveling down h xc/wz .xu0o/a*c* amthe road. The mass of the trailer is 4 times the mass of the tractor. If the x/xzca.u**/h0ca wo m tractor accelerates forward, the force that the trailer applies on the tractor is

  99.16: Which of the following principles best explains why large tram.- 9 p+* yvt4pcogagdctor-trailer trucks generally accelerate much more slowocva.*9m -ytd pgg+4ply that automobiles?

  99.19: A 50 kilogram skater at re91,x0 uua q1n4e e*ck3 sxiodist on a frictionless rink throws a 2 kilogram ball, giving the ball ea09cud 31*xink qi,xo e4s1u a velocity of 10.0 m/s. Which statement describes the subsequent motion?

  00.13: An object near the s y4ealedz0ki jd l40g-3tu0d-urface of the earth with a weight of 100 newtons is acceleratedkdy34 dz- i j0lt0eul0 d4-gae 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 a constankzag (6q9 vq+uthtw ls 6216dlt force of 2400 N. What is the speed of the car 8.0 s after beginnws(lvl1d2 g +a696h qttqu6kzing?

  98.32: A 3.0-kg block with initial speed 4.0rm8 y -mu0 -a7xwpzed 3ir ,hzaa8l;8j m/s slides across a rough horizontal floor before coming to rest. The frictional force m8hpj7em-u8;y3a0rlxr -z aa i,dz 8wacting 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 rough horizol) zwb6ez0 nq oh(t2/bntal floor before coming to rest. The coefficz zt/0 e)l w(onq62bbhient of friction is:

  09.21: A 20.0 kg box remains at rest on a horizontal surface while a person purqn,qsea2 fq+3 cyl6 :shes directly t3neqsc6q r:,f +yql 2ao the right 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 initially moving at 8 m/s accelerates uniformly to rest cz/0jc1+w4i rap u;kf*;vng con a horizontal surface. The block travels a distance of 12.0 m during the slide. Which one of the ag/ kuri v+c1 z; 4p0jfwcn;c*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 patch of ice vtw334qes:zn at a speed v with its brakes locked. It then hits dry pavement and skids to a stop in anez st3: 3vqw4 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 patch of ice at a zxgk u 06x9eq.p s/rn6speed v with its brakes locked. It then hits dry pavement and skids to a stop in a distanced 0sn9p6xkx.gz r/u6qe . 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 the car's bjdoa,y+ 8f(wvrakes and skidding to a stop. How far would the df 8v,+y(aj owcar have skidded if it had been traveling twice as fast?

  99.39: The driver of an automobile must carefun6lv phq yd6m)q iu6r;m jn);n732lhally control each of the following devices. Which of these devices can cause an acceleration in a mo m7;h)n2)6 ud3alj ilmv;q qhy6n6rpnving 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 ispi5jl hurxk)+ 7y qz-3 24000 newtons. About how much time is needed to increase thk+yl i5h7 )p3-z qjuxre 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 acr 3j2d1jirn:*dxzbl4ety)+ o goss a horizontal floor. A person called Ted exerts a force T to the right on the box. A person called Mario exerts a forc)r 1+btd jij2z*olenyxdg34: e 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 roller coaster tracks of equal length.1phurb,nyn hma94px2cdc0,mq:h k + 2 Assume that on all tracks the roller coasteraq2d+4,hcnucm,1 by:p nhr0h 9kx 2pm 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 rollwy;fc ;ege3h .er coaster tracks of equal length. Assume tegwh;;e f3.c yhat 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 reach the finish first?

  02.29: Assume the rollercoaster cartrolls frictionlessly zgv:b( +n,zs oalong the curved track from point A to point C under the influence of gravity. What would be the direction of theo( gs,zn +bv:z cart's acceleration at point

  02.40: A box with a mass of 50 kg is dragged across the floor by a ropn ,(l gbm4cz2de which makes an angle of 300 with the horizontal. Which of the following would be closest to the coefficient l 4 gc,2(zdbmnof 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 ahecz-pfpx8b455sq1 l t rest is pushed against a wall by a 100 N force as shown. Thecoefficient of kinetic friction is 0.30 while the coe5fp58ezplqh - sxb41 cfficient 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 mofhq2geip:c )-zkfimn.w7 v18wer 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 2 hq:7iz1e8f mwi)gnv.pc fk-force magnitudes, W, f, N, P is CORRECT?

  06.14: A book leans against a crate on a table. Neither is moving. Which ofla:iqri b/dnxu5 f; 70 the following statements concerning this situation is nf ; q/ 5iblr:x0ai7duCORRECT?

  06.15: A crate of toys remains at rest on a sleighvqay,42 .tb7br f.a rl aws;t+ as the sleigh is pulled up a hill with an increasing speed. The crate is not fastenedwr;2vby a.4 fl aqrta,7.t+bs down to the sleigh. What force is responsible for the crate’s increase in speedup the hill?