What is the best definition for weight?

A measure of how strong gravity is pulling matter

What is the best definition for magnetic force?

Attractive force between moving charges/north, south poles

Which definition best defines force

Push or pull on object. To make objects move or to make stop

What does the Universal Law of Gravitational force state?

Force is dependent on mass and distance

What definition best describes inertia?

An objects ability to resist change in motion

Objects in motion tend to stay in motion

Newton's Third Law of Motion states what?

For every action there is an equal and opposite reaction

What is the best definition for electric force?

an attractive force between positive and negative charges

Newton's Second Law of Motion states that...

Force is dependent on mass and acceleration

The product of an objects mass and velocity

What is the law of conservation of momentum?

If no force is applied to the system the total is the same

Objs. in motion stay in motion, objs. at rest stay at rest

What are the four main forces in our universe?

Strong Nuclear, Weak Nuclear, Electromagnetic, Gravitational

What is centripetal force?

Center force that causes a continuous change in an obj. dir.

What definition best describes weak nuclear force?

An attractive force responsible for radioactive decay

studbud

Forces and Motion Quiz!

32 termsStudBud Administration132 plays

Review for test over forces and motion unit. Reviewing all of the learning targets like friction, laws, momentum, and lots more. #science #force #physics #motion #fun #laws

Flashcards32 cardsFPractice quizPHost liveL

Questions 32

Answers

1
Which of the following is an example of force?
All of the above
Closing a door
Pushing a shopping cart down the aisle
Playing tug-of-war
2
Extra Question: What day are the mouse trap cars due?
June 1
June 5
May 19
May 25
3
What is the best definition for weight?
Gravity divided by velocity
Acceleration multiplied by velocity
The product of an objects mass and velocity
A measure of how strong gravity is pulling matter
4
What is the SI unit for force?
mm
Mph
m/s
N
5
What type of friction acts on nonmoving objects and is the strongest type of friction
Fluid friction
Static friction
Sliding friction
Kinetic friction
6
What is the best definition for magnetic force?
Dependent on mass and distance
Attractive force between moving charges/north, south poles
Acts only over really small distances
Net force does not equal 0 and there is most likely movement
7
Which definition best defines force
Changing the velocity of an object using gravity
Push or pull on object. To make objects move or to make stop
Moving an object
Pushing objects across the floor
8
The mass of an object is 132 kg. The gravity is 9.8 m/s². What is the weight?
657 N
1293.6 N
2 N
2478.5 N
9
What does the Universal Law of Gravitational force state?
Force is dependent on mass and distance
Gravity is dependent on velocity
Gravity is everywhere acting on everything
All objects tend to stillness
10
What definition best describes inertia?
A measure of how strongly gravity is pulling on matter
The motion of moving objects
Direction and magnitude of forces
An objects ability to resist change in motion
11
When objects have a net force of zero what does it mean?
Balanced friction
Resting force
Unbalanced forces
Balanced forces
12
Galileo said...
Static force is the strongest
Objects in motion tend to stay in motion
All objects tend to stillness
Objs. in motion stay in motion and objs at rest stay at rest
13
What is the motion of a projectile with both gravity and air resistance acting on it?
Straight
Curved/bent
Up
90° Angle
14
When the force of gravity equals air resistance it is called...
Air Resistance Equality
Final Velocity
Kinetic Friction
Terminal Velocity
15
What two things affect falling objects the most?
Gravity and air resistance
Air and clouds
Acceleration and newtons
Ground and velocity
16
When drawing a free body diagram what two things do you need?
Other bodies and internal forces
Internal Forces and forces exerted by the body
Pictures and lines
The body and external forces
17
Aristotle said...
Projectile motion is bent
The product of mass and velocity
All objects tend to stillness
Force is a push or pull on an object
18
Newton's Third Law of Motion states what?
For every action there is an equal and opposite reaction
The product of gravity and momentum
Force equals mass times velocity
Obj. in motion stay in motion and obj. at rest stay at rest
19
What is the best definition for electric force?
an attractive force between moving charges or north/south
an attractive force between positive and negative charges
An attractive force responsible for radioactive decay
Attractive force that pulls two masses together
20
Newton's Second Law of Motion states that...
For every action there is an equal and opposite reaction
Force is dependent on mass and acceleration
Objects in motion stay in motion
Gravity on earth is 9.8 m/s
21
A car has a mass of 2000 kg. and a force of 5000 kg. What is the acceleration?
2.5 m/s
4 m/s2
2.5 m/s2
4 m/s
22
What is momentum?
Acceleration times 9.8
The speed of an object
Gravity times weight
The product of an objects mass and velocity
23
What is the law of conservation of momentum?
There is no gravity
Velocity and acceleration are the same
The net force is unequal
If no force is applied to the system the total is the same
24
Which of these is an example of unbalanced force?
Two football players blocking each other but neither winning
People pushing up against each other and not moving
Winning at arm wrestling
Two people of equal strength playing tug-of-war
25
What is the weakest universal force?
Electromagnetic Force
Weak Nuclear Force
Gravitational Force
Strong Nuclear Force
26
Newton said...
Momentum is the product of mass and velocity
Conservation of mass means there is no change in motion
All objects tend toward stillness
Objs. in motion stay in motion, objs. at rest stay at rest
27
What are the four main forces in our universe?
Strong Nuclear, Weak Nuclear, Positive, Momentum
Electromagnetic, Strong, Falling, Friction
Strong Nuclear, Weak Nuclear, Electromagnetic, Gravitational
Pulling, Negative, Electromagnetic, Pushing
28
N = ......
10 kg * m/s2
3 kg
3 m/s
1 kg * m/s2
29
Newton's first law of motion is also known as the law of.....
Inertia
Motion
Momentum
Action and Reaction
30
What is centripetal force?
Center force that causes a continuous change in an obj. dir.
Force that causes a double in velocity
An attractive force between positive and negative charges
Force that causes a stop in motion
31
What definition best describes weak nuclear force?
The only force that can attract and repel objects
An attractive force between positive and negative charges
Attractive force that holds the nucleus of an atom together
An attractive force responsible for radioactive decay
32
As the speed of an object falling through the air increases what else increases?
Gravity
Air resistance
Sliding friction
Surface area

Forces and Motion Quiz! Flashcards | StudBud