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Newton's Laws
Page 7
Questions (459)
A crate of mass 106 kg is pulled by a rope on a frictionless surface. The rope makes an angle of 40 0 above the horizontal. If
5 answers
asked by
Adam
561 views
A bike is hanging from a hook in a garage. You need to consider the following forces.
(a) The force of the Earth pulling down on
2 answers
asked by
Max
565 views
A block of mass m= 3 kg is initially at rest on a horizontal surface. At time t=0, we begin pushing on it with a horizontal
1 answer
asked by
socorro
540 views
A string going over a massless frictionless pulley connects two blocks of masses 6.4 kg and 13 kg. As shown on the picture
2 answers
asked by
mallak
531 views
A car travelling at 60 km/h hits a bridge abutment. A passenger in the car moves forward a
distance of 67 cm (with respect to the
2 answers
asked by
gregory
561 views
Your Mom slams on her brakes in the car and your body keeps moving forward towards the windshield. This is called inertia and is
1 answer
asked by
Ebaybu
134 views
A car braked with a constant deceleration of 45ft/s^2 producing skid marks measuring 55 ft before coming to a stop. How fast was
1 answer
asked by
Julia
535 views
Newton's laws of motion work best for objects under which conditions.
a. very slow and fast moving. b. very large and slow
2 answers
asked by
MM
531 views
A spring scale shows a net force of 0.8 N acting on a 1.5-kg mass. What happens to the acceleration of the object if the net
1 answer
asked by
u dont know me
43 views
Which of Newton’s laws says that a net force acting on an object causes the object to accelerate in the direction of the
2 answers
asked by
jorge
511 views
Let mass be:
m1=0.100 kg m2=0.300 kg m3=0.500 kg (a.)Compute for the acceleration of the system if the table is frictionless.
1 answer
asked by
frosty
514 views
Which of Newton's Laws does the following scenario describe?
My car hits a mosquito, and the mosquito hits back, equally. a 1st
1 answer
asked anonymously
36 views
An engine pulls a train of 20 frieght cars each having a mass of 5.0*10^4 kg with a constant force. The cars move from rest to a
2 answers
asked by
James
526 views
A stream of water strikes a stationary turbine blade, as the drawing illustrates. The incident water stream has a velocity of
2 answers
asked by
Demetrius
517 views
An astronaut was working on the exterior of her spaceship tightening a bolt with her wrench. The astronaut and a spaceship both
2 answers
asked by
Mike
513 views
A bike is hanging from a hook in a garage. Consider the following forces.
(a) The force of the Earth pulling down on the bike.
3 answers
asked by
jared
507 views
A 31.8 kg child swings on a rope with a length of 6.12 m that is hanging from a tree. At the bottom of the swing, the child is
2 answers
asked by
Dante
505 views
A 980 kg car is pulling a 275 kg trailer. Together, the car and trailer have an acceleration of 2.12 m/s2 in the forward
3 answers
asked by
Anonymous
531 views
Which of Newton's Laws does the following scenario describe?
My car hits a mosquito, and the mosquito hits back, equally. a 1st
1 answer
asked anonymously
37 views
what is a newton
A. a non-contact force B. a foce that pulls object toward the ground C. the unit in which force is measured. D.
1 answer
asked anonymously
73 views
Which of Newton's Laws does the following scenario describe?
My car hits a mosquito, and the mosquito hits back, equally. a. 3rd
1 answer
asked anonymously
42 views
It involves three masses, with mass 2 being the cart that can roll freely on a horizontal table. There is no friction anywhere.
2 answers
asked by
Lee M
510 views
A light rope passing over a frictionless pulley connects two objects. One object has a mass of 10kg. The tension in the rope is
1 answer
asked by
Alex
508 views
Threepersons wants to push a wheel cart in the direction marked x in Fig. The two person push with horizontal forces F1 and F2
2 answers
asked by
john
486 views
A net force of 1.6×10^−15 N acts on an electron over a displacement of 5.0 cm, in the same direction as the net force. What
2 answers
asked by
John R
491 views
There are two objects of masses M and m. The horizontal surface allows for frictionless motion. The string ties to the two
1 answer
asked by
John
500 views
Problem::
A 4.80 kg block located on a horizontal frictionless floor is pulled by a cord that exerts a force F=13.5 N at an angle
2 answers
asked by
Christine
522 views
what term refers to the sum of all of the forces acting on an object?
2 answers
asked by
syd
486 views
How much force is needed to accelerate a 125 kg block up a 35 degree include at 3.4 m/s2 if the coefficient of friction is 0.28?
1 answer
asked by
Marina
452 views
A 6490 kg helicopter accelerates upward at 0.59 m/s2 while lifting a 1180 kg car.
(a) What is the lift force exerted by the air
1 answer
asked by
Matt
470 views
1.when a train pulls a wagon, is the work zero because wagon pulls on the train with equal opposite force(newton's third law)?
2.
4 answers
asked by
Casey
470 views
Physics Help... Applying Newtons Laws Grade 11?
On the surface of the earth a geological hammer has a mass of 1500g. Determine
1 answer
asked by
Erin
479 views
A bead on a fixed ring and a spring
A ring fixed to a support at the top is hanging vertically. A bead of mass m slides through
1 answer
asked by
arslan
457 views
Thank you so much bobpursley for all your help. I actually think I'm beginning to understand, physics involves a lot of what
1 answer
asked by
Hannah
451 views
The 235-kg cart in the figure starts from rest and rolls with negligible friction. It is pulled by three ropes as shown. It
1 answer
asked by
ashyLerry
439 views
Think back to Newton's 2nd Law about force. What are the two factors that can change the force an object has?
mass acceleration
1 answer
asked anonymously
30 views
The normal force that acts on an object is always equal in magnitude and opposite in direction to the gravitational force that
1 answer
asked anonymously
29 views
A 36-kg girl stands on a 13-kg wagon holding two 15.0-kg weights. She throws the weights horizontally off the back of the wagon
1 answer
asked anonymously
26 views
Investigating Newton's Laws
Newton's laws are described in the table. Newton's 1st Law Objects at rest stay at rest and objects
1 answer
asked by
Bray
54 views
Your mom slams on her brakes in the car and your body keeps moving forward towards the windshield this has called inertia and is
1 answer
asked anonymously
55 views
When you trip, your foot stops, but your body continues to move forward. Which statement best explains why this happens?(1
1 answer
asked by
Anonymoose
43 views
Newton’s third law quick check
1 answer
asked anonymously
62 views
16. Ms. Dado is sitting in a rolling chair. She pushes forward on a desk and her/her chair rolls backwards. Which law best
1 answer
asked anonymously
22 views
According to newtons first law, what potential impact can an unbalanced force have on an object in motion
1 answer
asked anonymously
24 views
According to Newton’s Second Law (F=ma), how are mass and acceleration related?
1 answer
asked by
e
37 views
According to Newton's First law, what happens to an object if no external force is acting upon it?
It remains at rest t moves at
7 answers
asked by
help
99 views
In softball as the ball enters your mitt and contacts the leather, it stops. In that instant, your hand exhibits a force equal
1 answer
asked anonymously
6 views
A cyclist coasting down a hill is an example of which of Newton's three laws?
Question 6 options: Second Law Class 3 Lever First
1 answer
asked anonymously
25 views
Resistance to a change in motion is known as
Question 7 options: inertia gravity friction mass
1 answer
asked anonymously
11 views
Newton's First Law says that an object at rest will remain at rest, and an object in motion will remain in motion unless it is
1 answer
asked by
nemo
58 views
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Parent Categories (16)
Classical mechanics
Dynamics
Force
Force and Motion
Forces
Forces and Motion
Gravity
Laws and Principles
Laws of motion
Mechanics
Mechanics/Optics
Motion
Physical Science
Physics
Physics Education
Work and Energy