Forces 1
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
Attractive force existing between all objects with mass is called __________.
gravity
A triple beam balance will measure an object's ____
Mass
A push or a pull is called a:
Force
An object will not change its motion unless a/an _____acts on it.
unbalanced force
Forces acting on an object that do not cause the object to move are called_____________ .
balanced forces
___________forces acting on an object cause the object to move.
Unbalanced forces
The unit used to measure force
Newton (N)
True or False: All forces are a push or a pull
True
The formula for work is
Work = Force x Distance
W=FD
Sum of all forces acting on an object is called ___________.
net force
With increase in distance gravitational force________
decreases
This scientist is famous for discovering gravity.
Who is Sir Isaac Newton?
Find the work if the force is 10N and the distance is 2m. (Remember, W=FD).
20 J
_____ is a force that resists the sliding motion between two objects that are touching.
Friction
Find the work if the force is 15N and the distance is 4m. (Remember, W=FD).
The unit for work is ...
Joule or J
A force going to the right at 300 N, an opposite force going to the left at 500N, the net force, and direction are______.
200N to left
When forces are ________the net force acting on an object is 0N.
balanced
What is the 3rd planet from the sun in our solar system?