Newtons 1st Law
An Object in motion?
Tends to stay in motion
Force equals?
Mass and Acceleration
For every force there is an?
Equal force acting in the opposite direction
The tendency to resist change of motion is?
Inertia
To push car would be easier than a truck because?
The masses are different
When sitting on a chair, gravity pulls down but the ____ pushes you up.
Chair
A train is much harder to stop than a car because?
There's more mass
When running down a hill gravity pulls you which makes you ____.
Accelerate
when you jump you apply force to the ground, in which the ground applies an_____.
Equal force pushing you into the air.
Slamming the breaks on a car creates a?
Unbalancing force
By riding a bike you create force on the ___ to accelerate?
Bike pedals
By rowing a boat you apply force into the ___ and the ___ applies force back, pushing you forward
Water
With an object on a inclined plane it starts sliding because?
An unbalanced force
If your decrease the size of a boulder by a quarter your force with decrease by?
A quarter
With a horse pulling a cart the ____ is also pulling the horse.
Cart