When is a body considered to be in equilibrium according to Newton's second law?

Equilibrium and Forces on Inclined Planes

Interactive Video
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Physics, Science
•
9th - 12th Grade
•
Hard

Liam Anderson
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When it is accelerating
When its velocity is increasing
When the net force acting on it is zero
When it is moving in a circular path
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does it mean when three vectors form a closed triangle?
The vectors are equal in magnitude
The vectors are in equilibrium
The vectors are parallel
The vectors are perpendicular
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How can an equilibrant force be described?
A force that is parallel to the resultant force
A force that is twice the resultant force
A force that is perpendicular to the resultant force
A force that is equal and opposite to the resultant force
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of the equilibrant force in maintaining equilibrium?
It balances the resultant force
It decreases the net force
It increases the net force
It changes the direction of motion
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which force acts perpendicular to the surface on an inclined plane?
Gravitational force
Normal force
Frictional force
Tension force
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the direction of the gravitational force on an inclined plane?
Away from the center of the Earth
Towards the center of the Earth
Perpendicular to the surface
Parallel to the surface
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the net force in the Y direction on an inclined plane determined?
By setting it to zero since there is no movement in the Y direction
By adding the normal force and frictional force
By subtracting the gravitational force from the normal force
By adding the gravitational force and frictional force
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What causes the acceleration of an object on an inclined plane?
The net force in the Y direction
The net force in the X direction
The frictional force
The normal force
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the net force in the X direction on an inclined plane?
The sum of the normal force and frictional force
The difference between the gravitational component in X and frictional force
The difference between the normal force and gravitational force
The sum of the gravitational component in X and frictional force
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