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Forces/newtons

Review for Test

QuestionAnswer
The property of matter that resists changes in motion is___ FRICTION
Newton's third law of motion describes___. ACTION AND REACTION FORCES
A grape may roll off your cafeteria tray when you stop suddenly because of____. INERTIA
If a person travels away from Earth their weight DECREASES BECAUSE GRAVITY DECREASES
What kind of friction is a person swimming in the lake? FLUID FRICTION
A push or a pull on an object is a definition of? FORCE
The two forces acting on a falling object are____and____. GRAVITY and AIR RESISTANCE
What is the product of an object's mass and velocity ? MOMENTUM
What does a spring scale measure? WEIGHT and FORCE
What unit is force measured in? NEWTONS
What is a change in velocity? ACCELERATION
What forces act on a falling feather? GRAVITY and AIR RESISTANCE
Two balanced forces with have a net force equal to___. ZERO
As mass increases, what does the gravitational force do? DISTANCE DECREASES
Which of Newton's laws is it when a nail is struck by a hammer? NEWTON'S THIRD
A person throwing a javelin shows shows what type of motion? PROJECTILE MOTION
Which item has the most momentum going at the same speed? A volleyball or a bowling ball? BOWLING BALL
When a bus stops what causes the body to move? INERTIA
In a head on collision the body continues to move____. FORWARD
What is the mass of an object that requires a force of 10 N to accelerate it at 1.5m/s/s? 6.7 Kg
How much gravitational force on a sky diver whose mass is 85 Kg on Earth? 85x9.8=833 N
Created by: mschacha60