Definitions
What is the push or pull acting on an object?
What is force?
When two vectors are going in opposite directions, how do you find the net force?
What is find the difference?
Draw a FBD for a pencil falling to the ground. Neglect air resistance.
What is box with arrow down F grav?
If you have ever jumped from a raft into the water, you will have seen it fall back as your body moves forward
What law is being shown?
What is Newton's third law of motion?
A longer vector indicates a ..... force on an object
What is stronger?
What measures the force of gravity pulling on an object?
What is weight?
What is net force?
What is the combination of all of the individual forces acting on an object?
Friction is always shown in the .... way from the way its moving
What is opposite?
An object at rest will remain at rest and an object in motion will remain in motion unless it is acted on by an ...... force.
Fill in the blank. What law is it?
What is unbalanced and Newton's first law of motion?
What is the unit for weight?
What is Newtons (N)?
Define inertia
What is the tendency of an object to resist a change in its motion?
When do you have a balanced force?
What is when there is forces equal in size and opposite in direction and no change in motion?
What force should always be depicted on FBD's if they occur on Earth? What direction do you represent it by?
What is F grav in the downward position?
What is
F=ma
10N=m(2kg)
m=10N/2kg
m=5m/s^2
What is the rate of acceleration due to gravity on Earth?
What is 9.8m/s^2?
Define fluid
What is a substance that can flow and take the shape of its container (liquids and gases)?
Find the net force of on an object if:
Someone is pushing the object with 15 N of force rightwards
Someone is pulling the object with 10 N of force rightwards
What is 25N rightwards?
Draw a FBD for a monkey hanging from a tree branch with one arm.
What is box with down arrow F grav, and up arrow F tens?
What is the reaction force for the following:
a mosquito hits a windshield
What is a windshield hits a mosquito?
List the four types of friction
What is sliding, rolling, fluid, and static friction?
What is the movement of an object in a curved path toward the ground because it has both a horizontal force and the downward force of gravity acting on it?
What is projectile motion?
Find the net force of the following FBD. Show work:
Up direction- 5 N and 2 N
Right direction- 3N and 3 N
Down direction- 10 N
Left direction- 4N and 2 N
Draw a FBD for Ms. Seaton pushing a plant leftwards across the table with an acceleration.
What is box with downward arrow F grav, upward arrow F norm, leftward arrow F applied (longer arrow), and right arrow F frict?
Explain Newton's second law of motion.
What is the acceleration of an object equals the net force acting on the object divided by the object’s mass
F=ma
Explain why the moon rotates the Earth and why it is an orbital motion.
What is the Earth has a stronger gravitational pull due to being more massive? The moon is moving forward and at the same time is pulled by gravity toward the Earth