Show:
physics
is
newTONS
of
phun
100
The SI unit of force is this
What is Newton
100
When an unbalanced force acts on an object, the object does this
What is accelerates
100
When a pair of balanced forces acts on an object, the net force that results is this
What is zero
100
This kind of friction occurs as a fish swims through water
What is fluid
100
As you push a cereal box across a tabletop, the sliding friction acting on the cereal box is in this direction
What is opposite
200
The type of force measured by a grocery store spring scale is this.
What is weight
200
The sum of all the forces acting on an object is called this.
What is net force
200
The force that opposes the motion of objects that touch as they move past each other is called this.
What is friction
200
When a falling object reaches terminal velocity, the net force acting on it is this.
What is zero
200
The drag force acting on a falling sky diver is also known as this.
What is air resistance
300
An open parachute increases air resistance of a falling sky diver by increasing this
What is surface area
300
Projectile motion is caused by these.
What is the downward force of gravity and an initial forward velocity.
300
The property of matter that resists changes in motion is called this
What is inertia
300
According to Newton’s second law of motion, the acceleration of an object equals the net force acting on the object divided by the object’s this
What is mass
300
The product of an object’s mass and velocity is this
What is momentum
400
The upward force acting on an object submerged in a fluid is called this
What is buoyant force
400
The strength of the buoyant force acting on an object in a fluid depends on the object’s this
What is volume
400
The buoyant force on an object in a fluid is equal to the weight of this
What is displaced fluid
400
The relationship between buoyant force and weight of a displaced fluid was first stated by this guy
What is Archimedes
400
The forces acting on a falling leaf are these
What is gravity and air resistance.
500
If a force of 18 N is applied to an object with a mass of 2 kg, the object will accelerate at
What is 9m/s2
500
What is the momentum of a 65-kilogram ice skater gliding across the ice at a speed of 3 m/s?
What is 195 kg times m/s
500
A tow truck exerts a net horizontal force of 1035 N on 865 -kilogram car. What is the acceleration of the car during this time?
What is 1.19 m/s2
500
A small engine causes a 0.1-kg model airplane to accelerate at a rate of 10 m/s2. What is the net force on the model airplane?
What is 1 N
500
A 100-kg crate, sliding on a floor, is brought to a stop by 25-N force. What is the deceleration of the crate?
What is 0.25 m/s2