Friction
Force
Solve an Equation
Gravity
Motion
100
A FORCE that OPPOSES MOTION.
A. Friction
B. Velocity
C. Speed
A. Friction.
100
What unit is used to measure force?
A. Centimeters (cm)
B. Newtons (N)
C. Milligram (mg)
B. Newtons (N).
100
If a car travels 100 miles in 1 hour. What is its average speed?
A. 10 mi/hr
B. 100 mi/hr
C. 1 mi/hr
B. 100 mi/hr
100
Is there more or less gravity in space?
Less.
100
The DISTANCE traveled DIVIDED by the TIME it takes to travel that distance.
A. Acceleration
B. Speed
C. Velocity
B. Speed.
200
Is friction a type of force?
Yes or No
Yes.
200
All the forces acting on an object added together.
A. Acceleration
B. Friction
C. Net Force
C. Net Force.
200
A toy car is moved 80cm in 2.0 seconds. What is its average speed?
A. 40 cm/s
B. 80 cm/s
C. 2.0 cm/s
A. 40 cm/s
200
Who discovered gravity?
A. Neil Armstrong
B. Usain Bolt
C. Isaac Newton
C. Isaac Newton.
200
The SPEED of an object in a DIRECTION.
A. Speed
B. Acceleration
C. Velocity
C. Velocity.
300
Can more than one force act on an object at the same time?
Yes or No
Yes.
300
If an two forces are acting on an object in OPPOSITE directions, do you add or subtract them to find the net force?
Subtract.
300
Two dogs are pulling a toy in OPPOSITE directions. Dog A pulls with a force of 40 N to the right and Dog B pulls with a force of 30 N to the left. What is the net force?
A. 70N
B. 10N
C. 40N
B. 10N
300
The MEASURE of GRAVITATIONAL FORCE on an object.
A. Mass
B. Weight
C. Gravity
B. Weight.
300
The RATE at which VELOCITY CHANGES over time.
A. Acceleration
B. Velocity
C. Speed
Acceleration.
400
What type of surface would create more friction? Rough or smooth?
A rough surface.
400
Which book needed the LEAST force to move?
Book w/ straws.
400
A car increases velocity from 0 m/s to 80 m/s. The time it takes to do this is 4 s. What was the acceleration of this car?
A= velocity final – velocity initial / time
A. 20 m/s2
B. 80 m/s2
C. -20 m/s2
A. 20 m/s2
400
A FORCE of ATTRACTION that is due to the masses of two objects.
A. Gravity
B. Mass
C. Friction
A. Gravity.
400
What is the formula for acceleration?
A. Distance / Time
B. Velocity Final - Velocity Initial / Time
C. Distance / Time in a direction
B. Velocity Final - Velocity Initial / Time