99.36: What happens to the inertia of an object when its velocity is doubleb5 8tu -j 0oc;owa x3xvnkjs(*d?

  02.14: An intrinsic property of matter is one thq3x wu c79-x92fljdv pat does not depend on the quantity of matter present. Which of the following prp l3dq9-f 2xw j9vc7xuoperties is NOT an intrinsic property?

  04.16: A 20 kg boulder res w7pimf;amt: 6ts on the surface of the Earth. Assume the Earth has m:6 p7imw;tamf ass $5.98 \times 10^{24} \; kg$ 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 Ea7;n4nr:j hn l0 rdznl*rth. What is the magnitude of the gravitational force acting on the earth by the sphenn *rd:74rnhll jzn;0re? The Earth mass is $5.98 \times 10^{24} \; kg$ .

  00.09: Is it possible for an object’s velocity to i70*nf*71sid b epq8opzx s)myncrease while its acceleration decre78*p0qs z fnse) xb*poid 1my7ases?

  00.11: A certain particle undergoes erratd; *bn9ziy1* llpb/9ms oyiy. ic motion. At every point in its motion, the direction of the particle’s momentumomyyind*sy b9 9. /*pl;i blz1 is ALWAYS

  17.14: A block is suspended in the air at the end of a str:vx5yji mf5 2yhp3ov-c.dtb0ing 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’svctf.jb 5hovx :y0y2m3 - idp5 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 constantl np050k 33(koahprm mwy zero 3p(ar5k0mmn0k p hwo3 on the object?

  13.28: An object is in free fall close to the ground. A person j +j,ekb2q /(wr85ynnbos x*xintervenes 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 i bb */ nsn+58e( ,yjjqrx2kxows 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-w 0 4ibosswm) 50 N, and F3 of 70 N, acting -osw si0)wmb4on it. The magnitude of the resultant ofF1 and F2 is

  01.07: A force of 6 Newtons and a force of 10 newtons can be combine to fosico:sc 25kn;rm a resultant :ick5 n2 soc;swith a magnitude of which of the following

  10.06: Which of the following statements im)nx cs wi 3av3xr7e4u5ft+-gs most closely associated with Newton’s Third Law of Motion?r nvg3 4fa+c sxxm 3w-7)5teui

  95.06: The reaction force does not cancel the action force becaug8 +h5f bgleml; sw,-sh8v zu,se:

  14.14: A box rests on the floor of an elevator. T5iu56f kml(wq/0z s z jum;ef7he elevator is accelerating upward. Which one of the following choice fl6m/wzm7 0 z(ufjksuq5 ie5;s 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 downward through the air with constant 6e 6h h/bat8zvspeed. Which one of the following choices correctly describes the Newton’s Third Law a68b6/ zehtvhpair 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. 4ll:zc,omx,.yl) yzz The batterswings and hits the ball. Txz4 zl o)z,l:.,mcy lyhe magnitude of the force that the ball exerts on the bat is always

  11.13: A physics book sits at rest on a table. On top of the book is a caf3u kdtki4fpb y0: )4c/q)iv slculator, also at rest. Which one of the following choices is the Newton’s Third 0vc3fq/ y:ifpsk) itudk)44 b Law pair force to the force that the table exerts on the book?

  05.06: The students in a Physics I cl1:hj 2s2 rdykhass were in lab conducting an experiment related to Newton's Second Lakjs:1hyh dr22 w. 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 at5 hp(sw: ibg0w:b jea67 owr1p the same time the mass of the o( sb1:iw7p5wah je b0g:6pworbject was halved,then the acceleration of the object is

  96.15: A car whose mass is 1500 kg ika;if l*yalwt,.l sy7883ks b owlq3vte (k: :s accelerated uniformly from rest to a speed of 20 m/s in 10s. The magnitude of the net force accellfy:ke lyw. satl*t vl:a;8k bis,7qw8o3k(3 erating the car is:

  99.05: A tractor-trailer truck i;/v3xad 3xgots traveling down the road. The mass of the trailer is 4 times the mass of the tractor. If the tractor accelerates oxg/tv;ad3 x3 forward, the force that the trailer applies on the tractor is

  99.16: Which of the following principles best explai - occkz;6s6 *fs3mo3g: yhrktns why large tractor-trailercg6k:z3 ;s-om s6okr3t* c yfh trucks generally accelerate much more slowly that automobiles?

  99.19: A 50 kilogram skater at rest on a frictionlessfsvi vl((.sv o878et o rink throws a 2 kilogram ball, giving the ball a vs8vit7.ovv(lo f 8 se(elocity of 10.0 m/s. Which statement describes the subsequent motion?

  00.13: An object near the surface of the earthaj0r9y (3jc* k.rmyhu:ys*co with a weight of 100 newtons is acrcyh( j3r :y*c yo0.9amks ju*celerated 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 reseka6 2w0 rzqfke8: v7ez8b eb1t by a constant force of 2400 N. What is the speed of the car 8.0 q2e10abv87zreb e z8f:ek6 wks after beginning?

  98.32: A 3.0-kg block witow*/xkk 6 .kqn yylkcw/))ii +h initial 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 block slide beforeyq /kx wy k6w.inio/*k)c+l)k coming to rest?

  95.38: A block with initial velocity 4.0 m/s slifi-cnvt 6 a4yy,l:(gvdes 8.0 m across a rough horizontal floor before coming to rest. The coefficii -6t g:vfcvl(y,4yan ent of friction is:

  09.21: A 20.0 kg box remains at rest on a horizonf h.okvf 4 ly*qzr:/q(tal surface while a person pushes directly to the right on the box with a force of 60N. The coefficient of kinetic friction between the box and the surf 4z /*frlk qq.(yvfo:hace 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 ry m;c6x0*oq-hndzy5z *1 ixvo est 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 kinetic friction between the surface and the blo*q6hxiv5 zn mooyc d -xy*0;z1ck?

  00.21: A car of mass m slides across a patch of ice at a speed v with it mfljkr2 hks ;9461hcps brakes locked. It then hits dry pavement and skids to a stop in a distanced. The coefficient of kinetic friction betweerm2 9;fp hh6ksc4lk 1jn 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 speed v j6b eeuf/.ob.g6dz-g3t8cf 8v;x spswith its brakes locked. It then hits 8f.s6.x3 d -cgf ev/sjbu;pobt8 g 6zedry 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 emergenj p *bs8z*pll5l9e md6cy stop by slamming on the car's brakes and skidding to a stop. How far wop em zjb*sl 5d69*8llpuld the car have skidded if it had been traveling twice as fast?

  99.39: The driver of an automobile must carefully cont3fz *j4i5l)ffuyr yb.rh di++rol each of the following devices. Which of these devices hr)by+u *y5jl i+df fir.3 zf4can 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 6 qe4dfvuxh 6l12wegn.,:h stwith a weight of 15000 newtons is 24000 newtons. About how much time is needed to increase the rocket ’ speed from 12 me4l 2vswt6 d:eu hn,6fqx1hg. /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. Ap6n-a n3v9/) kmaj,sw5mg* vh3vj yxo j, gu:m 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. Given that there is friction f and the box accelerates to th9m/s 3vjoy ak hn 5ug6)m*3:x-mj vw vjga,,pne right, rank the sizes of these three forces exerted on the box.

  02.27: The diagram below shows thrqa vo : ;/,: p zfbsq/u9l*ru)te(noufee 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 tract )uooqe/ z*uup:v9rf ,(:b ;qfnas/lks 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 equ;4t s/0h ftkvual length. Assume that on all tracks the roller coaster carts start from rest at the same elevation and moves frictionlessly over the tracks to the k u h4;/fs0vttfinish.
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 fri9 tquq55 i omd)a,8ivjctionlessly along the curved track from point A to point C under the influence of gravity. What would be the direction of the cart's acceleration 85 ,dv9 ojiu)miqtq5a at point

  02.40: A box with a mass of 50 kg is dragged across thsj/so e3:9 p)gkxnh*u e floor by a rope which makes an angle of 300 with the horizontal. Which of the following h)k/sog93p su: nj *xewould 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 pushedrkaf w94t*0lt against a wall by a 100 N force as shown. Thecoefficient of kinetic fri t4a*09kwlrf tction 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 mfn f a;g*q+09wds1vp-7jpg po ower 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 thepsv n1ggfpwq *d0p+oa;j -9f7 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 moving. Which of the odg/gxirzwa35 k+g+ 4 following statements+4rdga kw5/ z+og xig3 concerning this situation is CORRECT?

  06.15: A crate of toys reu21tjophdepg72 fqnoc4 8 17z- a*hzd mains 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 is responsible for the crate’s increase in 7u* 281pz2pcfdoetaqj hdz17ng4 oh- speedup the hill?