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Forces
Page 5
Questions (6,449)
a crate on a frictionaless plank inclined at angle theta with respect to the horizontal. Which of the follwing relationships is
4 answers
asked by
carol
1,326 views
Consider a jet of water striking a vertical wall horizontally a speed of v. After hitting the wall, the water moves along the
2 answers
asked by
maan
515 views
In a two-dimensional tug-of-war, Alex, Betty, and Charles pull horizontally on an automobile tire at the angles shown in the
5 answers
asked by
beast
7,540 views
A car and a truck are on the highway. Both need to accelerate at 7 m/s2
in order to avoid an accident. a. Find the force acting
1 answer
asked by
Laura
369 views
TWO FORCES OF 60N AND 80N RESPECTIVELY ACT SIMULTANEOUSLY AT A POINT .SKETCH AND DETERMINE THEIR RESULTANT BY USING TAIL TO HEAD
7 answers
asked by
NTSHIDISENG
2,716 views
Danielle took an iron nail and wrapped thin copper wire around it, then connected the ends of the copper wire to a battery.
6 answers
asked by
Ken
129 views
A boat exerts a force of 417N pulling a water skier who is 64kg at rest. The skier speed is 15m/s. over what distance was the
3 answers
asked by
PhysicsHelp
840 views
the 3 forces shown act on a object is in equilibrium. F1= 50N (E 60 degrees N), F2= 60N (E 30 degrees S ) Calculate the
4 answers
asked by
Roya
2,424 views
1. NASA launched a 550kg satellite into space. Its engines have a thrust of 8000N.
a) What is the downward froce of gravity
3 answers
asked by
Diane
2,033 views
Find the greatest and least resultant of two forces whose magnitude are 12 N and 8 N respectively
4 answers
asked by
Anonymous
2,474 views
a 3m long light board with negligible weight is supported at each end by cables. a painter weighing 900 N stands 1m from the
4 answers
asked by
Anonymous
800 views
a child with a mass of 40 kg slides down a vertical pole with an acceleration of 6 m/s squared. what is the magnitude and
1 answer
asked by
Pete
433 views
1. Two people-one twice as heavy as the other one, play tug-of-war with a 12m ideal rope while standing on a frictionless ice
2 answers
asked by
Simeon
525 views
Whats force is pushing upwards on your body while you are standing?
7 answers
asked by
aw3som3K1d
91 views
A body of mass 1/4 kg falls from rest through a height of 40 m and comes to rest having penetrated a distance of 1/2 m into the
2 answers
asked by
Harrison
142 views
a tractor is towing a large trailer on a horizontal road at a constant speed of 15 km/h. The mass of the trailer is 1,3 t and
2 answers
asked by
Anonymous
99 views
if ke is match greater than force of attraction.this will be happen at ?
2 answers
asked by
Birhanu
105 views
The resultant of two force x and y will be least when the angle between x and y?
2 answers
asked anonymously
75 views
An 80.0-kg passenger in an SUV traveling at
is wearing a seat belt. The driver slams on the brakes and the SUV stops in . Find
2 answers
asked anonymously
92 views
State the law of attraction
State the law of repulsion
2 answers
asked anonymously
56 views
A catapult used to hold a stone of mass 500g is
extended by 20cm with an applied force f. If the
2 answers
asked anonymously
110 views
A single chain supports a pulley that weighs 40N, so two identical 80N weights are connected with a rope that passes over the
2 answers
asked anonymously
69 views
Read the scenario.
A cyclist is riding his bike at a constant speed of 5 m/s, and experiences a frictional force between the bike
4 answers
asked anonymously
108 views
A person is standing on ice. He throws a snowball with a force of 4 N to the right, while the snowball pushes the person with a
10 answers
asked anonymously
81 views
A box is at rest on the floor. Which of the following force diagrams best represents the action-reaction pair of forces between
4 answers
asked anonymously
99 views
Study the scenario.
A toy car is pushed across the floor with a force of 4 N to the right. There is 1 N of friction acting on the
2 answers
asked anonymously
92 views
Study the image.
A couch with two opposing forces. A friction force vector (surface on couch) marked 5 N points to the left. A
7 answers
asked anonymously
122 views
A puck is sliding along a frictionless surface at constant velocity.
Which of the following choices correctly models the forces
7 answers
asked anonymously
77 views
Study the scenario.
An object is at rest. At five seconds, someone comes over and pushes the object forward with a force of 10 N.
7 answers
asked anonymously
109 views
A ball moves along a smooth metal surface while an identical ball moves along concrete.
Which surface exerts a smaller amount of
4 answers
asked anonymously
72 views
Study the image.
Free body diagram of a ball. Two force vectors are shown. One is 5 N to the left and the other is 8 N to the
7 answers
asked anonymously
69 views
Study the image.
A box on a ramp that slopes diagonally downward from left to right. Four force vectors are shown. Arrow A is
11 answers
asked anonymously
159 views
Which of the following definitions BEST describes “forces”?
(1 point) Responses moving energy moving energy energy that pulls
2 answers
asked by
Silly
70 views
How does friction affect the maximum speed of the skater?
13 answers
asked by
Caleb Pans
83 views
Newton's cradle is a contraption where metal balls hang from a frame. When one ball is pulled and released, the collision causes
21 answers
asked by
Joe
161 views
Choose the best answer.
In all of the example problems involving motion, _____ is ignored. force inertia friction mass distance
2 answers
asked by
fe
80 views
Choose the best answer.
Forces that attract molecules to each other are called _____. hydrogen forces ionic compounds van der
2 answers
asked by
fe
101 views
Christie and Daisy measured the applied forces while pulling on opposite ends of a rope, but they forgot to fill in their table
5 answers
asked by
abysssky14
129 views
There are four basic forces in nature: gravity, the electromagnetic force, the strong nuclear force, and the weak nuclear force.
2 answers
asked by
help
84 views
Select the two variables that determine the gravitational force between two objects.
a volume b density c magnetism d distance e
2 answers
asked by
u
96 views
Select the two variables that determine the gravitational force between two objects.
a magnetism b mass c volume d distance e
2 answers
asked anonymously
83 views
Students were attempting to move a large box. The forces on the box are shown below.
image Which of the following must be true in
2 answers
asked by
.
80 views
Two force 10N and 20N are inclined at angle 60degree to each other. Find the magnitude and direction of the resultant
Force
2 answers
asked anonymously
89 views
Use the table to answer the question. Assuming other factors are held constant, which two objects will have the strongest
1 answer
asked anonymously
100 views
Select the two variables that determine the gravitational force between two objects.
a mass b magnetism c volume d density e
1 answer
asked by
kali
146 views
According to Coulomb's Law, the amount of electric force depends on which two things?
a the mass of each of the particles and the
2 answers
asked by
kali
186 views
Which force accounts for the difference between mass and weight?
a Magnetic force b Air resistance force cfrictional force
1 answer
asked by
kali
88 views
The strength of gravity between two objects depends on:
a The Mass of the objects and the distance between the two objects b Mass
1 answer
asked by
T
87 views
Portfolio for an experiment on Non-contact forces
5 answers
asked anonymously
154 views
Which force accounts for the difference between mass and weight?
a Frictional force b Gravitational force c Magnetic force d Air
1 answer
asked by
kali
104 views
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