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Force and Motion
Page 9
Questions (1,713)
A bicycle and its rider together have a mass of 80 kg. If the bicycle's speed is 6m/s, how much force is needed to bring it to a
2 answers
asked by
Aubree
524 views
An object wuth a mass of .5 kg starts from rest and achieves a maximum speed of 20m/s in 0.01 s. What average unbalanced force
4 answers
asked by
Ronaldo
1,369 views
A 71.0 kg person steps on a scale in an elevator. The scale reads 722 N. What is the magnitude of the acceleration of the
3 answers
asked by
Nick
537 views
A block of mass 2kg placed on a long frictionless horizontal table is pulled horizontally by a constant force F. It is found to
2 answers
asked by
Beli
508 views
To move a large crate across a rough floor, you push on it with a force F at an angle of 21°, below the horizontal, as shown in
4 answers
asked by
anonymous
1,091 views
To determine the force acting on each mass its was assumed that g=9.80 m/sec2. The value of g at the place where the experiment
4 answers
asked by
lisa
1,440 views
during a thunderstorm,wind with a speed of 47.7 m/s blows across a flat roof with an area of 688m/^2 .Find the magnitude of
3 answers
asked by
Thini
818 views
A bungee jumper makes a jump into the Gorge du Verdon in southern France from a platform 182 m above the bottom of the gorge.
4 answers
asked by
Meisha
1,342 views
A karate chop delivers a blow of 300N to a board that breaks. The force that acts on the hand during this event is?
3 answers
asked by
Stanley
933 views
A 150 kg safe on frictionless casters is to be raised with 1.2 meters off the ground to the bed of a truck. Planks 4m long are
4 answers
asked by
roxy
1,204 views
A 109 kg fullback runs at the line of scrimmage.
(a) Find the constant force that must be exerted on him to bring him to rest in
3 answers
asked by
Anonymous
586 views
A certain force gives an object of mass m1 an acceleration of 13.0 m/s2 and an object of mass m2 an acceleration of 2.10 m/s2.
4 answers
asked by
koraile
1,054 views
A crate of mass m = 230 kg is pushed at constant speed up the frictionless ramp (θ = 29.0°) by a horizontal force F. What is
2 answers
asked by
jim
600 views
If a person does 80 J of work in moving a 30 \rm{kg} box over a 13 m distance on a horizontal surface, what is the minimum force
3 answers
asked by
Jon
521 views
A 120-kg crate, starting from rest, is pulled across a floor with a constant horizontal force of 400 N. For the first 17 m the
4 answers
asked by
Kim
684 views
How long will it take an 850 kg car with 40 hp (horsepower) to reach the speed of 15 m/2, neglecting friction?
40 hp=29840 watts
4 answers
asked by
Anonymous
1,742 views
While rearranging a dorm room, a student does 292 J of work in moving a desk 3.7 m. What was the magnitude of the applied
3 answers
asked by
ashley
452 views
A spring scale is attached to a cart and is being pulled with a force of 10.5 N. If the car moves to the right with a constant
4 answers
asked by
Sarah
492 views
1a)A block of mass=100kg is tied to a donkey that moves with constant acceleration of 20cm/s^2 up a 30 degree incline. What is
2 answers
asked by
Anonymous
1,088 views
A crate full of artichokes rests on a ramp that is inclined 10.0° above the horizontal. Give the direction of the normal force
3 answers
asked by
Max
631 views
Calculate the acceleration of a 2000-kg, single-engine airplane just before takeoff when the thrust of its engine is 500 N.
3 answers
asked by
iggy
1,041 views
While a roofer is working on a roof that slants 36 degrees above the horizontal, he accidentally nudges his 85.0 N toolbox,
4 answers
asked by
steve
1,412 views
During a game of pool, a cue ball travels to the left with 70 N of force and collides with the four ball moving with a force of
41 answers
asked by
jeezezpez
97 views
Given DIAGRAM 1.1 where FT means Tension and W means Weight, calculate the tension on the steel cable given the following
2 answers
asked anonymously
82 views
If two objects with different masses are pushing each other, which exerts the greater force?
Responses It is impossible to tell
7 answers
asked by
N "COLDCAT" S
58 views
Could the horsepower devloped by a slower moving student ever be greater than the horsepower developed by a faster moving
2 answers
asked by
Mary
609 views
A catcher “gives” with the ball when he catches .15 kg baseball moving at 25 m/s. (a) If he moves his glove a distance of
3 answers
asked by
Anonymous
810 views
If you throw an egg against a wall, the egg will break. But if you throw it at the same speed into a sagging sheer, it may not
1 answer
asked by
Emma
469 views
A space probe has two engines. Each generates the same amount of force when fired, and the directions of these forces can be
3 answers
asked by
James
922 views
Why is the force of gravity noticeable between you and the Earth but not noticeable between you and a football?
a The Force of
2 answers
asked anonymously
41 views
Use the data table to answer the question. It shows the acceleration of a body when a net force is applied to it.
Net force (N)
3 answers
asked by
.
153 views
A balloon floats inside a stopped car. When the car starts moving forward, the balloon appears to move backward relative to the
13 answers
asked by
I remain Anonymous
283 views
A cook holds a 2.66-kg carton of milk at arm's length (see the figure below). What force B must be exerted by the biceps muscle?
4 answers
asked by
sarah
931 views
The question is:
Sometimes, road surfaces have banked curves. Use an FBD to explain how this helps cars to make turns more
2 answers
asked by
anonymous
732 views
Why is the force of gravity noticeable between you and the Earth but not noticeable between you and a football?
• O d The Force
2 answers
asked anonymously
38 views
A 4.58 kg block located on a horizontal floor is pulled by a cord that exerts a force F = 10.5 N at an angle theta = 25.5°
3 answers
asked by
Alex
1,063 views
A 15kg mass suspended from a ceiling is pulled aside with a horizontal force,F,as shown. Calculate the value of the tension, T.
2 answers
asked anonymously
70 views
The weight of an object depends on the force of gravity acting on it. On which planet would a given object weigh the most?
(1
2 answers
asked by
Fatima
138 views
A net force is applied to a moving object. Which statement beat describes the effect of the force?
A. The force will cause the
7 answers
asked by
Gelo
325 views
Gravity is an attractive force between all objects that have mass. In which direction does gravity pull us according to the
2 answers
asked anonymously
39 views
Use this formula: a = F m
Take Note: Acceleration due to gravity is 9.8 m/s2 A 500 kg car and rider accelerate at 13.5 m/s^2.
2 answers
asked anonymously
44 views
What is the dimension and unit of F in the formula for magnitude of a force
2 answers
asked anonymously
29 views
Three men using efforts of 600N 500N and 400N respectively push a drum of 240kg up an inclined plane whose angle of inclination
2 answers
asked anonymously
39 views
Magnitude and Direction of Force Quick Check
3 of 43 of 4 Items Question A soccer player kicks a ball toward a net. Which
2 answers
asked by
e
176 views
Which object will accelerate more if the student exerts an equal amount of force on each object? (1 point) Responses 10 kg box
3 answers
asked by
mimi
40 views
A soccer player kicks a ball toward a net. Which statement correctly explains how far the ball will travel?(1 point)
Responses A
4 answers
asked by
i like dookie
80 views
Hi, can I have someone who can help me with the Force and Motion Unit Test please. This is Question3: Drag and drop the
7 answers
asked by
Jack
157 views
Steven is trying out for the position of pitcher on the baseball team. He can throw the baseball fast! The coach has clocked
13 answers
asked anonymously
218 views
Which statement is true about unbalanced forces?
A. they can change both an object's speed and direction. B. they have no impact
5 answers
asked anonymously
61 views
Question A stressed out Mom just purchased a cup of Starbucks coffee. The bus she is riding on to work goes around a sharp
3 answers
asked anonymously
63 views
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