Friction
Forces
Gravity
Unbalanced/Balanced Forces
Random
100
What is Friction
Friction is a force exerted
by a solid surface. It opposes motion.
100
A child had a 600g basketball, a 500g football, a 150g baseball, and a 50g yo-yo. If the child had to throw one of the four, which one would take the MOST force to throw?
The basketball.
100
Who is responsible for discovering gravity?
Sir Isaac Newton
100
An apple falls from a tree. Are the forces acting on the apple balanced or unbalanced?
Unbalanced
100
Which direction will the box move?
To the right
200
What is a lubricant?
A lubricant makes a surface smoother.
200
Applied Force and Friction
200
Gravitational Force increases between two objects when
the objects become closer
200
Forces that are equal in strength and opposite in direction are
balanced
200
A boy pulls a wagon with a force of 6N East as another boy pushes with a force of 4N East- What is the NET force?
10N
300
What are the 4 types of friction?
Fluid, rolling, sliding, and static
300
Give an example of APPLIED FORCE
Answers will vary
300
Gravitational Force is measured using what unit?
Newtons
300
To determine if the forces are balanced or unbalanced, you must determine what to things?
Size and Direction
300
What is the definition of WEIGHT?
A measure of gravitational force exerted on an object.
400
Friction causes an object to speed up:
True or False
False
400
What type of force is:
gravitational, electrical, and magnetic force?
Non-Contact Force
400
Which object will fall faster to the ground? A brick or an apple?
They fall at the same time
400
Two platoons line up for a tug of war. If both platoons have the same number of participants on a team, what other factor is critical to either platoon's win?
total mass of the team
400
What is gravity?
A force that pulls us down.
500
the type of friction that you would experience if you were to go skydiving
Fluid Friction
500
What two factors are important when describing FORCE?
Direction and Magnitude
500
The amount of matter in an object is known as the objects
Mass
500
A force that does not change the movement of an object
Balanced
500
What changes about you if you leave Earth? Mass or Weight?
Your Weight