Forces 1
Forces 2
Forces 3
Forces 4
Forces 5
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
Calculate the net force with the direction
60 N Right
100
The amount of matter in an object
Mass
100
A push or a pull is called a:
Force
100
When the net force is not zero, forces are________
unbalanced
200
An object will not change its motion unless a/an _____acts on it.
unbalanced force
200
Forces acting on an object that do not cause the object to move are called_____________ .
balanced forces
200
___________forces acting on an object cause the object to move.
Unbalanced forces
200
The unit used to measure force
Newton (N)
200
An object free falling experiences two forces, list them:
Gravity and air resistance
300
A ball rolling on a flat surface will eventually come to a stop because of (name the force involved)
Friction
300
______________is measure of the amount of gravity on an object.
Weight
300
Sum of all forces acting on an object is called ___________.
net force
300
With increase in distance gravitational force________
decreases
300
What is force?
A push or pull
400
A simple machine can do what (two answers... you must get both)?
Change the magnitude (size) of a force
Change the direction of a force
400
When forces act in the same direction, you can _____ the forces together. Add or Subtract?
add
400
If these teams are pulling with the same amount of force what will happen?
They will not move at all
400
As the amount of mass increases, the force of gravity between two objects _______.
increases
400
In a simple balance beam, where (how far from the fulcrum) would you need to place a 5 kg mass to balance a 15 kg mass placed 0.5m from the fulcrum?
1.5 m
500
True or false
A screw is a simple machine.
True
500
True or false
A spring is a simple machine
False
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? Bonus... Explain!
Yes, mass does not change, the amount of matter an object has is always the same
500
Will an object on the surface of the moon have the same weight as it would have on the surface of the Earth. Bonus Explain
No. The gravitational field on the Moon is about 1 sixth of Earth's due to its much smaller mass.