Newtons laws of motion
Resultant Forces 1
Resultant Forces 2
Forces 1
Forces 2
100
The greater the mass of an object,
A.the easier the object starts moving.
B.the greater its inertia.
C.the more space it takes up.
B
100
Sum of all forces acting on an object is called ___________.
Resultant force
100
Calculate the Resultant force with the direction
60 N Right
100
What is force?
A push or pull
100
A push or a pull is called a:
Force
200
What is Newtons 3rd law
Every action has an equal and opposite reaction
200
When forces act in the same direction, you can _____ the forces together. Add or Subtract?
add
200
An object will not change its motion unless a/an _____acts on it.
unbalanced force
200
Acceleration can be classified as _______________
A. Speeding up
B. Slowing Down
C. Changing Directions
D. All of the above
D. All of the Above
200
The unit used to measure force
Newton (N)
300
What is newtons 2nd law of motion
F = m x a (Force = mass x acceleration)
300
Forces acting on an object that do not cause the object to move are called_____________ .
balanced forces
300
___________forces acting on an object cause the object to move.
Unbalanced forces
300
Is friction a contact or non-contact force
Contact force
300
An object free falling experiences two forces, list them:
Gravity and air resistance
400
What is Newton's 1st law?
Law of inertia, An object at rest remains at rest, or if in motion, remains in motion unless acted on by an unbalanced force
400
When the resultant force is not zero, forces are________
unbalanced
400
If the resultant force is 3N to the left what is magnitude and direction of the missing force
2N to the right
400
Give an example of a non-contact force
Gravity or magnetic force
400
The amount of matter in an object
Mass
500
A book is sitting on the dashboard of a car that is stopped at a traffic light. As the car starts to move forward, the book slides backward off the dashboard. This is an example of?
Newton's first law of motion
500
If these teams are pulling with the same amount of force what will happen?
They will not move at all
500
When forces are ________the net force acting on an object is 0N.
balanced
500
Will an object on Jupiter have the same mass as it has on Earth? Explain!
Yes, mass does not change, the amount of matter an object has is always the same
500
______________is measure of the amount of gravity on an object.
Weight