Newtons First Law
True or false
An object at rest stays at rest unless it gets acted on.
what is true.
What is the formula for Newton's Second Law
What is F = ma
When air pushes out of a balloon, what causes the balloon to move
What is action-reaction forces
Would a car accelerating be a balanced force or an unbalanced force
What is unbalanced force
What is a force that resists motion,when an object rubs against a surface.
What is Friction.
When a car hits the brakes, will a person stay still or move forwards
What is move forwards
The acceleration of an object is dependent on two variables.
What is second law.
When 2 skaters push apart, they will push back
What is Newtons Third Law
Two forces that are unequal in size and opposite is direction.
What is Unbalanced Forces.
A 5kg box is sliding across a rough surface, it is then slid across a smoother surface, where will friction occur faster?
What is rough surface
When there are loose objects in a moving car why do they tend to move forward
What is First Law
If an object is accelerating, what does it depend on?
What is net force and mass
True or false
Action and reaction forces cancel each other out, so no motion occurs
What is false
If 30 N are on the left and 15 N are on the right, what is the net force
What is 15 N
Every action has a reaction
True or False?
What is true.
What do we use for the measurement of the amount of matter on your body
What is mass
2 students push a heavy box In the same direction, student A pushes with 15 N, and student B pushes with 25 N, the mass of the box is 8kg, what is the accerlation.
5 m/s2
What is equal pressure
Balanced forces acting on an object that's stationary will result
What is no motion
Why does friction oppose motion
What are 2 surfaces creating resistance to sliding
This changes depending on gravity
What is mass
If you use the same muscle to throw a bowling ball and a baseball, the baseball with accerlate much faster
What is an inverse relationship
When a rocket takes off why does it have a reaction?
What is the equal and opposite reaction
A heavy box is sliding across a frictionless surface, at a steady speed of 8 mps, a horizontal force of 15 N, then a force to the left that is also 15 N is pushed
What is constant speed 8mps
When friction is applied it generates heat with it, why?
What is vibration of atoms.