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Force and Motion
Page 5
Questions (1,713)
A block with mass m = 17 kg rests on a frictionless table and is accelerated by a spring with spring constant k = 4201 N/m after
4 answers
asked by
fox
1,293 views
Take the mass of the Earth to be 5.98 × 1024 kg.
If the Earth’s gravitational force causes a falling 44 kg student to
4 answers
asked by
Lily
585 views
A 50 kg box hangs from a rope. What is the tension in the rope if
a. The box is at rest? b. The box has vy = 5.0 m/s and is
4 answers
asked by
aithusa20
2,305 views
A(n) 4.5 lb hammer head, traveling at 4.7 ft/s
strikes a nail and is brought to a stop in 0.0009 s. The acceleration of gravity
4 answers
asked by
Anonymous
1,274 views
A student presses a book between his hands, as the drawing indicates. The forces that he exerts on the front and back covers of
4 answers
asked by
kelly
4,786 views
A 2200. Kg vehicle is traveling at 26 m/s what is the force needed to stop it in 21 seconds?
4 answers
asked by
Anon
1,535 views
At the local grocery store, you push a 14.0-kg shopping cart. You stop for a moment to add a bag of dog food to your cart. With
4 answers
asked by
Barbara
4,127 views
A chair of weight 100N lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of F =
4 answers
asked by
souleymane
2,178 views
A large box whose mass is 19.0 kg rests on a frictionless floor. A mover pushes on the box with a force of 235 N at an angle
4 answers
asked by
josephz
715 views
1. Find the pressure exerted on the ground (in psi) by a 250 lb person who is sitting on a chair whose 4 legs touch the ground
4 answers
asked by
Fix30
3,467 views
a 1250 kg car is pulling a 325 kb trailer. The car and trailer have an acceleration of 2,15m/sec2 together. Determine the net
4 answers
asked by
Anonymous
2,706 views
Reggie Jackson stepped up to the plate and hit a .15 kg fast ball traveling at 36m/s, the impact caused the ball to leave his
4 answers
asked by
chelsea
5,955 views
An elevator has a mass of 1200.0 kg. It is rising at a steady speed of 3.00 m/s. What is the tension in the cable lifting the
5 answers
asked by
mssailormouth
2,077 views
The force needed to keep a car from skidding on a curve varies jointly as the weight of the car and the square of its speed and
4 answers
asked by
NM
1,105 views
A trailer has a mass of 5000 kg. It is pulled by a truck with a force of 8750 N. If the frictional force is 2000 N, what is its
2 answers
asked by
Ben Green
1,204 views
Find the force a 67.5 kg man would experience while standing in the surface of each of the following planets
PLANET 1. EARTH 2.
7 answers
asked by
Dulce
2,544 views
A ball acquires a horizontal speed of 12m/sec when a force is applied for a distance of .50m. If the ball has a mass of 1.0kg
3 answers
asked by
Brad
1,965 views
A 22.4-g bullet is fired from a rifle. It takes 3.37 × 10-3 s for the bullet to travel the length of the barrel, and it exits
4 answers
asked by
Anonymous
527 views
How much force is needed to give a 5-kg box and upward acceleration of 2 m/s2?
4 answers
asked by
sara
2,234 views
a 15gram bullet moving at 300m/s pass through z 2 cm thick sheet of foam and emerges with a speed of 90m/s find average force
4 answers
asked by
yonas
2,146 views
A force of 20 N is needed to overcome a frictional force if 5 N and accelerate a 3 kg mass across a floor. What is the
4 answers
asked by
Breanna
2,875 views
If a fly collides with the windshield of a fast moving bus
a) which experiences the greater impact force: the fly or the bus, or
6 answers
asked by
CHRISTIE
6,156 views
A bottle of juice is sealed under partial vacuum, with a lid on which a red dot or "button" is painted. Around the button the
4 answers
asked by
Mary
1,333 views
A net force of 0.7 N is applied on a body. What happens to the acceleration of the body in a second trial if half of the net
4 answers
asked by
Katy
753 views
Two forces are applied to a block of mass MM=12.0 kg that sits on a horizontal, frictionless table. One force F⃗ 1F→1 has a
4 answers
asked by
Neam
1,787 views
The gravitational force exerted on a baseball is 2.28 N down. A pitcher throws the ball horizontally with velocity 12.0 m/s by
4 answers
asked by
Joe
3,445 views
5. The ball launcher in a pinball machine has a spring that has a force constant of 1.20 N/cm . The surface on which the ball
4 answers
asked by
John Tucker
4,779 views
A block of wood of mass 6.0 kg slides along a skating rink at 12.5 m/s^2 [w] . The block slides onto a rough section of ice that
4 answers
asked by
Isabella
1,699 views
how far will 350 j raise a 7 kg mass
7 answers
asked by
taylor
1,369 views
A child bounces a 46 g superball on the side-walk. The velocity change of the superball isfrom 28 m/s downward to 16 m/s
6 answers
asked by
Johnnie
4,635 views
a girl pulls a 12.0 kg wagon along by exerting a force of 15.0 N on the wagons handle, which makes an angle of 20.0 degrees with
4 answers
asked by
arriell
1,544 views
A bicycle and its rider have a combined mass of 90kg. The cyclist is accelerating at 0.5m/s^2. What minimum force is he
5 answers
asked by
Sarah
1,523 views
Imagine a landing craft approaching the surface of Callisto, one of Jupiter's moons. If the engine provides an upward force
3 answers
asked by
Kameron
1,061 views
trying to study but stuck with this one.
Two tiny spheres have the same mass and carry charges of the same magnitude. The mass of
3 answers
asked by
alex
948 views
A garden roller is pulled with a force of 200N acting at an angle of 50* with the ground level.Find the effective force pulling
4 answers
asked by
Allwell
1,902 views
A 7.6 kg chair is pushed across a frictionless floor with a force of 42 N that is applied at an angle of 22° downward from the
4 answers
asked by
aly
1,359 views
Suppose a 68-kg boy and a 40-kg girl use a massless rope in a tug-of-war on an icy, resistance-free surface. If the acceleration
4 answers
asked by
Sasha
846 views
i know this might seem kind of long. but if you could please help me, i'd greatly appreciate it.
a. suppose you have a tug of war
7 answers
asked by
Tony
1,276 views
A truck with a mass of 20t has a tractive resistance of 280N/t if the truck travels at a speed 72km/h. Calculate the following.
6 answers
asked by
Nqobile
831 views
Suppose the hand shown in (Figure 1) holds an 8.9-kg mass. The total mass of the arm is 3.3 kg. What force, FM, is required of
4 answers
asked by
arshi
3,005 views
a 21.2 kg mass attached to a spring scale rests on a smooth, horizontal surface. the spring scale, attached to the front end of
3 answers
asked by
cassandra
1,736 views
Question #1 A 0.140kg- baseball traveling 30.0m/s strikes the catcher's mitt, which, in bringing the ball to rest, recoils
4 answers
asked by
emma
1,818 views
A 3.24 kg block located on a horizontal frictionless floor is pulled by a cord that exerts a force F=11.8N at an angle
3 answers
asked by
Rachel
1,095 views
A horse pulls on a crate with a 1,000 N force, causing it to move at constant velocity. What is the acceleration of the cart? A
4 answers
asked by
Kandi
1,564 views
A 110-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 420 N. For the first 13 m the
4 answers
asked by
Cara
887 views
4)Explain why,when a soccer ball is kicked, the action and reaction forces don't cancel each other.
a)The force of the player's
4 answers
asked by
Ira
2,008 views
A 325-kg boat is sailing 15.0° north of east at a speed of 2.00 m/s. Thirty seconds later, it is sailing 35.0° north of east
4 answers
asked by
Litany
1,049 views
A shopper in a supermarket pushes a loaded 32 kg cart with a horizontal force of 12 N. How far will the cart move in 3.5 s if
4 answers
asked by
Becca
3,243 views
A spring with a spring constant of 16 N-m is compressed 0.2 m. What is the restoring force on the spring?
A. -1.25N B. -3.2N C.
3 answers
asked by
Olive
107 views
A body weighing 500N is sitting on a seesaw at a point 2m away from the pivot what should the pivot at a point 4m away to
3 answers
asked by
Kewlani
1,711 views
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