A body with a mass of 10 kg is placed on a smooth surface. It is pulled by a spring balance and the acceleration is 5 m/s². What should the reading on the spring balance be?

44,631 questions
1. Newton' law of motion

A resultant force of 50N pulls a body of mass 10kg along a smooth horizontal surface. Calculate the acceleration with which the body is moved

asked by Alex on March 9, 2011
2. physics

How to solve a resultant force of 50N pulls a body of mass 10kg along a smooth horizontal surface. Calculate the acceleration with which the body is moved

asked by Alex on March 9, 2011
3. physics

How to solve a resultant force of 50N pulls a body of mass 10kg along a smooth horizontal surface. Calculate the acceleration with which the body is moved

asked by Alex on March 9, 2011
4. Physics

A force of 9.0N is applied to a body at rest on a smooth horizontal surface. If the body has a mass of 18.0kg and it moves in the direction of the force, find the work done in. a. The first four second. b. The fourth second ? Urgent answers pls

asked by Simon on February 14, 2018
5. physics

a body is pulled over a surface by applying 20 Newton making an angle 60 degree with the horizontal.if the body moves with constant speed on a rough surface on which coefficient of friction is .4 then the mass of the body is?

asked by hanan on July 20, 2014
6. science

A body with a mass of 10 kg is placed on a smooth surface. It is pulled by a spring balance and the acceleration is 5 m/s². What should the reading on the spring balance be?

asked by lolcatz on May 19, 2014
7. DYnamics

Thank you Advance...;; Q: A body of mass 10 kg is moving over a smooth surface, whose equation of motion is given by the relation. s = 5t + 2t² where (s) is in metres and (t) in seconds. Find the magnitude of force responsible for the motion. Thank you

asked by abodd on November 7, 2016
8. dynmic

A body of mass 10 kg is moving over a smooth surface, whose equation of motion is given by the relation. s = 5t + 2t² where (s) is in metres and (t) in seconds. Find the magnitude of force responsible for the motion. ? Step by step P help me.

asked by aboddu on November 8, 2016
9. Science

A body of mass 17.25kg rest on a smooth horizontal table. The coefficient of friction between the body and the table is 0.34. What is the horizontal frictional force that will make the body just slide.

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10. physics

Problem 2: A body A of mass m = 1Kg and a body B of mass M = 4Kg are interconnected by a spring as shown in figure below. The body A performs free vertical harmonic oscillation with amplitude a = 1.6 cm and frequency ω= 25/s. Neglecting the mass of

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11. physics

1. a particle A of mass 150g lies at rest on a smooth horizontal surface. a second particle B of mass 100g is projected along the surface with a speed of u m.s and collides directly with A. on collision the masses coalesce and moves on with a sped of 4 m.s

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12. Science

Body of mass 10 kg is at rest on a horizontal surface. A force of magnitude 10 N is applied to the body for 10 s. What is the final speed of the body?

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13. physics

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14. Physics

A block of mass m1 = 41.3 kg on a horizontal surface is connected to a mass m2 = 13.2 kg that hangs vertically as shown in the figure below. The two blocks are connected by a string of negligible mass passing over a frictionless pulley. Assume that the

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15. physics

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16. physics

An unknown object with mass M slides on a smooth frictionless surface with a speed of 35.0 m/s along the x-axis. Suddenly it explodes into two pieces, P and Q, which move in different directions as shown in the figure below. Determine the final velocity of

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17. Physics

Q.1:When a force is applied to a body,several effects are possible.Which of the folloeing could NOT occur? a.The body speeds up. b.The body rotates. c.The mass of the body decreases. d.The body changes direction. e.The body remains as it was. Force does

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18. Physics

I've asked a similar qustion earlier and now I think I have drawn the correct free body diagram and go about solving the problem. The only thing is I do not know how to solve it. a block (mass m1) on a smooth horizontal surface, connected by a thin cord

asked by Physics on July 14, 2009
19. Physics

1- A mass m is pushed against a spring of spring constant k = 12000 N/m. The mass slides on a horizontal smooth surface except for a rough one meter long section, and then it encounters a loop of radius R as shown in the figure. The mass just barely makes

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20. Physics

I got two questions Three blocks on a fricitonless horizontal surface are in contact with each other a force F is applied to block 1 mass m1 Draw a free body diagram for each block ok done the accelration of the system (in terms of m1, m2, and m3) ok done

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21. science

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22. physics

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23. physics

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24. Physics

A steel ball has a mass of 4.0 kg and rolls along a smooth, level surface at 62m/s. What is its kinetic energy. At first the ball was at rest on the surface. A force acted on it through a distance of 22 m to give it the speed of 62 m/s. What was the

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25. science

which of the following descriptions of the moon's surface is accurate? a) the moon's surface is wet and smooth b) the moon's surface is dry and irregular c) the moon's surface has mountains and oceans d) the moon's surface is exactly like Earth's surface

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26. Physics

the question is to write down a relationship for the potential energy of a body of mass m, when it is a distance r from the center of mass M and radius R.explain all symbols used and show that if a body is to escape the gravitational influence of the

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27. Physics

a. 2 objects each of mass 200 kg and 500 kg are separated by 50 cm. Where body of mass 20 kg should be placed so that the resultant force of gravity experienced by objects equal to zero? b. launched a rocket leaving Earth. Known radius of the earth 6.4 x

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28. math

Empirical data suggest thatthe surface area of a 180-cm-tall human body changes at the rate ofsquare meters/kilogram, where W is the weight of the body inkilograms. If the surface area of a 180-cm-tall human body weighing 70 kg is 1.886277 m ,what is the

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29. physics

Mass mA rests on a smooth horizontal surface, mB hangs vertically.If m_{\rm{A}}=13.0 kg and m_{\rm{B}}=3.0 kg in the figure , determine the magnitude of the acceleration of each block.

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30. physics

What part of an object follows a smooth path when the object is made to spin through the air or across a flat smooth surface?

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31. Physics

the weight of the body on the surface of earth is 392N what will be the weight of this body in another body whose mass is double of earth mass and radius is fourth multiple of earth radius?

asked by Priyank on September 16, 2015
32. physics

Three blocks A, B, and C are connected by two massless strings passing over smooth pulleys as shown below, with the 3.4-kg block on a smooth horizontal surface. Calculate the tension in the strings connecting A and B, and, B and C.

asked by bob on December 5, 2014
33. physics

A block of mass 2 kg is connected to a freely hanging block of mass 4 kg by a light and inextensible string which passes over pulley at the edge of a table. The 2 kg mass is on the surface of the table assumed to be smooth. Calculate the acceleration of

asked by Samuel on January 12, 2013
34. Physics

Both block A and B mass 3kg and are initially 2m above the ground. They slide down a smooth ramp and then across a rough surface with a speed of 4m/s. How much energy did the block lose due to the friction along the rough surface? AND is transformed into

asked by Stephanie on January 30, 2011
35. physics

A block of mass 3kg starts from rest and slides down a surface, which corresponds to a quarter of a circle of 1.6m radius. a) if the curved surface is smooth, calculate the speed of the block at the bottom. b) if the block 's speed at the bottom is 4m/s,

asked by gourav on March 18, 2015
36. physics

A steel ball has a mass of 3.8 kg and rolls along a smooth, level surface at 56 m/s. (a) Find its kinetic energy. 1 I got 404.32J bu it doset work (b) At first, the ball was at rest on the surface. A constant force acted on it through a distance of 22 m to

asked by Amelia on May 10, 2012
37. physics

the mass of a body is 50 kg on the surface of the earth.find its weight on the surface of a planet whose mass is double than the mass of the earth and radius is 5 times the radius of the earth

asked by geeta on December 8, 2011
38. Physics/Mechanics

A particle A of mass 150g lies at rest on a smooth horizontal surface. A second particle B of mass 100g is projected along the surface with a speed of u m/s and collides directly with A. On collision the masses coalesce and moves on with a speed of 4 m.s .

asked by Anonymous on March 20, 2017
39. physics

a body is moving with a velocity v over a rough horizontal surface and comes to rest after traversing a distance s then the co-efficient of friction between body and the surface is

asked by Anonymous on September 28, 2017
40. physics

1) What part of an object follows a smooth path when the object is made to spin through the air or across a flat smooth surface? 2) Describe the motion of the CG of a projectile, before and after it explodes in midair. 3) What is suggested by a star that

asked by anonymous on July 10, 2010
41. physics

1) What part of an object follows a smooth path when the object is made to spin through the air or across a flat smooth surface? 2) Describe the motion of the CG of a projectile, before and after it explodes in midair. 3) What is suggested by a star that

asked by anonymous on July 10, 2010
42. Physics

A 9.00 kg mass is connected by a light cord to a 1.00 kg mass on a smooth surface as shown in the figure. The pulley rotates about a frictionless axle and has a moment of inertia of 0.300 k∙m2 and a radius of 0.500 m. Assuming that the cord does not slip

asked by Kayla on November 6, 2012
43. physics

A spring s, is fimly fixed at one end A and allowed to lie parallel to a plane inclined at 60° to the horizontal. If a body of mass 30kg is placed gently at the free end of the spring. Calculate the maximum compression of the springs if (i) the plane is

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44. physics

Assuming that the human body has a 1.2-cm-thick layer of skin tissue and a surface area of 1.5m2 , estimate the rate at which heat is conducted from inside the body to the surface if the skin temperature is 34 ∘C. (Assume a normal body temperature of 37

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45. Physics

The amount of heat per second conducted from the blood capillaries beneath the skin to the surface is 250 J/s. The energy is transferred a distance of 1.7 x 10-3 m through a body whose surface area is 1.8 m2. Assuming that the thermal conductivity is that

asked by Tim on April 30, 2013
46. physics

A body of mass 10 kg moving at a speed of 4 m/s collides with another body of mass 4 kg at rest. After collision, if the speed of the body of 4kg mass be 5 m/s, the speed of body of 10kg mass shall be?

asked by Satyabrata Saha on May 17, 2015
47. physics

two blocks are connected by a string. the smooth incline surface makes an angle of 42 degrees with the horizontal, andthe block on the incline has a mass of 6.7 kg. find the mass of the hanging block that will cause the system to be in equilibrium. (the

asked by stephanie on November 3, 2010
48. physics

A smooth body slides down a plane inclined at an angle of 60degree to the horizontal calculate, A. The components of the acceleration of the body. B. Along the inclined plane. C. Perpendicular to the plane. D. The velocity of the body at the base of the

asked by Marino on April 29, 2015
49. Physics

A man has a mass of 80kg on the Earth's surface. Part A How far above the surface of the Earth would he have to go to "lose" 13% of his body weight?

asked by Joe on September 26, 2013
50. physics HELPP!!!!!!!

A 6.00 kg mass is connected by a light cord to a 1.00 kg mass on a smooth surface as shown in the figure. The pulley rotates about a frictionless axle and has a moment of inertia of 0.400 k∙m2 and a radius of 0.700 m. Assuming that the cord does not slip

asked by anon on November 14, 2012
51. physics

A 5.00 kg mass is connected by a light cord to a 3.00 kg mass on a smooth surface as shown in the figure. The pulley rotates about a frictionless axle and has a moment of inertia of 0.300 k∙m2 and a radius of 0.500 m. Assuming that the cord does not slip

asked by Anonymous on November 11, 2012
52. Physics

A man has a mass of 65kg on the Earth's surface. How far above the surface of the Earth would he have to go to "lose" 13% of his body weight?

asked by Anonymous on November 24, 2013
53. PHYSICS

A BODY OF 50N Rest On A Smooth Plane Incline At 30 Degree To The Horizontal Which Force Applied Parallel To The Plane Will Keep The Body In Equilibrium

asked by PRINCE on January 27, 2016
54. Physics 1

A body of mass 6kg moving at 8m/s collides with a stationary body of mass 10kg and sticks to it. Find the speed of the composite body immediately after the impact.

asked by Dan on June 10, 2013
55. physics

A partical p is projected from a point on the surface of long smooth inclined plane. Simultaneously another particle Q is released on the smooth inclined plane from the same position. P and Q collide after t=4 sec. The speed of projection of p is:

asked by shubhi on August 20, 2014
56. physics

A steel ball has a mass of 4.0kg and rolls along a smooth, level surface at 62m/s. A) Find its kinetic energy(i got this and its 7688 joules) B)?????-At first, the ball was at rest on the surface. A constant force acted on it through a distance of 22

asked by Paul on November 22, 2008
57. Science

Which of these do NOT give animals an advantage in the ocean? A.Long Body Hair B.A smooth Body C.Structures that sense movement D.A strong sense of smell I would say A but I'm not positive PLEASE HELP ME!

asked by Melthea on January 23, 2007
58. physics

A 65 kg skier speeds down a trail, as shown in Figure 5-24. The surface is smooth and inclined at an angle of θ = 20° with the horizontal. (a) Draw a free-body diagram for the skier. (Do this on paper. Your instructor may ask you to turn in this

asked by amy on January 13, 2010
59. physics

4 kg block rests on a smooth horizontal surface,upper surface of 4 kg is rough.A block of mass 2 kg is placed on its upper surface.The acceleration of upper block with respect to earth when 4 kg mass is pulled by a horizontal force of 30N?coefficient of

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60. math

what would have a greater surface area? a cylinder that is flat and smooth or a cylinder that is threaded? I think the smooth one will because the threads remove area that needs to be covered?

asked by Anonymous on June 20, 2017
61. biology (multiple choice!)

Evolutionary adaptations that help diverse animals exchange matter with the environment include a. gastrovascular activity, two-layered body, and torpedo shape. b. large volume, long tubular body, and wings. c. complex internal structures, small size, and

asked by Sarah on November 10, 2010
62. Physics

A block of mass = 2.20 kg slides down a 30.0 deg incline which is 3.60 m high. At the bottom, it strikes a block of mass = 7.00 kg which is at rest on a horizontal surface . (Assume a smooth transition at the bottom of the incline.) If the collision is

asked by Eden on October 26, 2010
63. science

A block of mass 20gm moves along a smooth surface at a speed of 5m/s and collides with a spring constant 20N/m.what will be the maximum compression of a spring?

asked by rounak bhatti on September 4, 2015
64. PHYSICS

a mass of 3kg rests on smooth horizontal table connected by a light string passion over a smooth pulley at the edge of the table to another mass of 2kg hanging vertically. when the system is released from rest with what acceleration do the masses move and

asked by CHRISTINE on June 21, 2016
65. Physics

How can I solve this problem? A block of mass 75 kg is released from rest at the top of a smooth frictionless incline from an initial height of 2 m. At the bottom of the incline, the block slides along a rough horizontal surface until it stops. The

asked by Anna on December 9, 2018
66. Physics

A bullet of mass 10.6 grams is fired with a speed of 125 meters per second toward a wood block of mass 187 grams initially at rest on a very smooth (assume frictionless) surface. What is the change in momentum of the bullet if it becomes embedded in the

asked by Matt on October 10, 2013
67. physics

A body of mass 5kg moving with a speed of 3m/s collides head on with a body of mass 3kg moving in the opposite direction at speed of 2m/s The first body stops after the collision The final velocity of the second body is Ans:3m/s

asked by Thousif on August 21, 2017
68. Physics

A body weighing 980N is moving with constant speed of 5 m/s on a horizontal surface. The coefficient of sliding friction between the body and the surface is 0.25. What horizontal pull is necessary to maintain the motion?

asked by Sandy on September 10, 2014
69. Physics

A body weighing 980N is moving with constant speed of 5 m/s on a horizontal surface. The coefficient of sliding friction between the body and the surface is 0.25. What horizontal pull is necessary to maintain the motion?

asked by Anonymous on January 27, 2018
70. physics

a body of weight 10 n is kept on a smooth horizontal table.what is the force exerted on the table by the body

asked by Anonymous on June 2, 2014
71. Physics Help!

A 2.2 kg mass is attached to a spring with a force constant of 560 N/m on a smooth horizontal surface. The mass is pulled to one side, released, and allowed to oscillate back and forth. (a) find the maximum compression and expansion of the spring if the

asked by Erica L on January 26, 2011
72. physics

When a body hanging from a spring balance is immersed in water it floats just below the surface of water and shows 100g loss in its weight (I) what is the weight of the body in water? (Ii) what is the weight of the body in air? (Iii) what is the up thrust

asked by farheen fathima on December 6, 2015
73. CUC

1.(a) A solid sphere of mass 100gm and radius 2.5cm rolls without sliding wit ha uniform velocity of 10cm/sec along a straight line on a smooth horizontal table. Calculate the total energy. (b) A hoop of radius 100cm and mass 19kg is rolling along a

asked by Theresa on May 26, 2012
74. Physics

A body A of a mass 0.16 kg exerts a force of 6.2x10^-10 N on a body B when the distance between their centers is 0.37 meters. What is the mass of body B?

asked by JOSH on August 22, 2014
75. Physics

A body A of a mass 0.16 kg exerts a force of 6.2x10^-10 N on a body B when the distance between their centers is 0.37 meters. What is the mass of body B?

asked by Anonymous on November 1, 2016
76. Physics

A body A of a mass 0.16 kg exerts a force of 6.2x10^-10 N on a body B when the distance between their centers is 0.37 meters. What is the mass of body B?

asked by YESHA on August 22, 2014
77. Algebra 2

Evaluate with nth Roots. For mammals, the lung volume V ( in milliliters) can be modeled by V=170m^4/5 where m is the body mass ( in kilograms)/ Find the lung volume of each mammal. Mongoose - Body Mass(kg) = 1.14 Camel - Body Mass (kg) = 229

asked by Lilly on December 14, 2011
78. Physics

On a cold winter day, a penny (mass 2.50 g) and a nickel (mass 5.00 g) are lying on the smooth (frictionless) surface of a frozen lake. With your finger, you flick the penny toward the nickel with a speed of 2.50 m/s . The coins collide elastically;

asked by Steph on November 24, 2017
79. physics

Pleaseee help explain how to draw the free body diagrams for this problem!!! Two blocks with masses m1 = 10.9 kg and m2 = 79.3 kg, shown in the figure (in the figure the 79.3kg block(m2) is on a flat surface, the 10.9kg(m1) block is pinned against the

asked by dave on November 9, 2011
80. physics

A 2.15 kg mass is attached to a spring and placed on a horizontal, smooth surface. A horizontal force of 18.7 N is required to hold the mass at rest when it is pulled 0.205 m from its equilibrium position (the origin of the x axis). The mass is now

asked by Anonymous on November 17, 2010
81. mechanics

Q2. A block of massmrests on the left edge of a block of larger massM. The coefficient of kinetic friction between the two blocks is , and the surface on which the larger block rests is frictionless. A constant horizontal force of magnitude F is applied

asked by sana on December 9, 2010
82. Physics

A body of mass m moving vertically with speed 3 m/s hits a smooth fixed inclined plane and rebounds with a velociw vf in the horizontal direction. If angle of inclined plane is 30°, the velocity of will be

asked by Vishesh on April 21, 2017
83. physics

A 2.20kg mass is attached to a spring and placed on a horizontal, smooth surface. A horizontal force of 21.3N is required to hold the mass at rest when it is pulled 0.190m from its equilibrium position (the origin of the x axis). The mass is now released

asked by nicole on November 14, 2013
84. physics

is2A wedge of mass M fitted with a spring of stiftness k is kept on a smoth hrizontal surface. A rod of mass m is kept on the wedge as shown in the figure. System is in equilibrium. Assuming that all the surfaces are smooth, the potential energy stored in

asked by anil jha on December 15, 2012
85. physics

A large wooden crate is pushed along a smooth, frictionless surface by a force of 87 N. The acceleration of the crate is measured to be 2.0 m/s2. What is the mass of the crate?

asked by mayrel on February 17, 2011
86. physics

A mass is pushed over a surface by a 19 N force that acts somewhat downward at an angle of θ = 45° to the horizontal as shown in the figure below. The mass is 3.0 kg and the coefficient of friction between the mass and surface is 0.25. (a)What is the

asked by Anonymous on October 25, 2015
87. math

Find the body surface area of a person who is 5 feet,4 inches tall and who weighs 107 pounds. Round your answer to the nearest hundredth. Use the Mosteller formula to calculate adult body surface area. Please helppppppppppppp!!!!!!! :(

asked by Andrea on March 27, 2018
88. physics

Why can astronauts jump higher on the surface of the moon than on the surface of the earth? Is it because their legs are stronger? Has the amount of "body matter," i.e., "mass" changed? Do they weigh less on the moon than on earth? Why

asked by Aanee on April 25, 2014
89. Physics

An ice skater with a mass of 60.0kg is moving at 20.0 m/s coasts to a halt in 2.00×10^2m on a smooth ice surface. What is the coefficient of friction between the ice and the skates?

asked by Billy on December 9, 2016
90. physics

A block of mass 8.50 is sliding along a smooth surface when it encounters a 0.800 long region of roughness with =0.310. The block emerges from the rough patch at a reduced speed of 5.00 and continues on.

asked by lauren on April 26, 2013
91. Physics

A small boy of mass 0.2kg moves uniformly in a circle on a horizontal frictionless surface, attached by a cord 0.2m long to a pin set in the surface. If the body makes two complete revolutions per second, find the force P exterted on it by the cord. The

asked by Febby on April 12, 2007
92. physicis

A body of 8.10 kg mass makes an elastic collision with another body at rest and continues to move in the original direction, but with one-fourth of its original speed. What is the mass (in kilograms) of the struck body?

asked by PCm on April 24, 2013
93. algebra

the body mass index ,I,can be used to determine an individuals risk for heart disease. An index less then 25 indicates a low risk. The body mass index is given by the formula,or model,I=700w/h2, where w = weight,in pounds,and H=height,in inches.Jerome is

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94. Health

____ is the sum of body cell mass and extracellular mass fat lipid count Cellular total lean body mass***

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95. AP Physics

You can obtain a rough estimate of the size of a molecule by the following simple experiment. Let a droplet of oil spread out on a smooth water surface. The resulting oil slick will be approximately one molecule thick. Given an oil droplet of mass 10.00

asked by Brittany on September 4, 2013
96. Math and Phyics

The mass of the body attached to the movable pulley is 12 times the mass of the body fixed to the ground. At some instant the body fixed to the ground is released. What will be the height that it can ascend? The heavier mass is initially h meter above the

asked by Saraf on December 22, 2014
97. Science

The weight of a body on the surface of the earth is 392N .What will be the weight of this body on a planet whose mass is double that of the earth and radius is four times that of the earth

asked by Saranah on September 14, 2016
98. Physics

a mass (m1) on a smooth horizontal surface, connected by a thin cord that passes over a pulley to a second block (m2), which hangs vertically. If the acceleration is .098 m/s^2 and m1 is 1.0 kg how much must m1 must be to keep it at this acceleration I got

asked by Physics on August 26, 2009
99. physics

can u solve this question? When a body hanging from a spring balance is immersed in water it floats just below the surface of water and shows 100g loss in its weight: 1. What is the weight of the body in water , air , upthrust on the body and what is the

asked by samar on May 5, 2016
100. SCIENCE PHYSICS

WHEN a body hanging from a spring balance is immersed in water it floats just below the surface of water and shows 100 g loss in its weight then what is the weight of the body in water,in air,what is upthrust on the body what is the volume of tne body.

asked by Junaid Shaikh on December 20, 2015