Kahoot Flashcards
a cart is being moved by a force. a load is dumped into the cart so the cart’s mass doubles, what is the carts accel?
It is cut in half
How do you win a game of tug of war?
One team must pull the rope with greater force.
Friction is a force that always …
opposes motion.
What is inertia?
the tendency of an object to resist a change in motion
Crumple zones:
absorb the impact of a crash so the passengers don’t
Which of the following is NOT an example of newtons third law
A book resting on a table
What are some examples of Newtons 3rd law
-A bat hitting a baseball
-Someone riding a skateboard
-A swimmer pushing off of a wall
How can you increase the acceleration of an object according to Newton’s second law?
By increasing the force applied or decreasing the object’s mass.
“An object in motion (or at rest) will stay in motion (or at rest) until it is acted upon by an outside force” is called
Newton’s First Law
For every action there is an equal and opposite reaction is …
Newton’s Third Law
According to Newton’s first law of motion, an object that is moving will change its motion only if what kind of force..
Unbalanced
conservation of momentum
total momentum is the same before and after a collision
Which of the following is NOT one of Newtons Third Laws?
A pencil floating threw space
Give some examples of Newtons Third Law
-Jumping up and down on the ground
-Rowing a boat threw water
-A cannon shooting then moving back
Bowling is another example of TRANSFER OF MOMENTUM
True
