WorksheetsDay 1 Review Units (1-3)
Total questions: 46
Worksheet time: 2hrs 1mins
The formula for Speed is...
Speed = distance/ time
Speed = time/ distance
A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?
10 m/s
1000 m/s
100 seconds
10 seconds
Car A- distance: 4 meters, time: 2 sec
Car B- distance: 2 meters, time: 2 sec
Car C- distance: 8 meters, time: 2 sec
Car B= 2
Car C = 3
Car B= 1
Car C= 3
Car B= 1
Car C = 2
Car B= 2
Car C= 1
A plane lands on the runway and slows from 758 km/hr to 30 km/hr in 0.013 hours. What is the plane's acceleration in m/s2?
56,000 m/s2
17857 m/s2
-17857 m/s2
-56,000 m/s2
Are the forces balanced or unbalanced?
Balanced
Unbalanced
What is the net force?
3 N
3 N, right
17 N, right
3 N, left
What is the unit to MEASURE force?
Kilogram
Meter
Pounds
Newton
A man pushes a 50kg box at a constant velocity. He applies a force of 200N to the left.
Calculate Fg
50kg
200N
500N
20kg
What statement is true?
Mass never changes. Weight does.
Weight never changes. Mass does.
Both mass and weight change because they are affected by gravity.
Neither mass nor weight change. They are always the same.
Stretched bow and arrow?
A girl weighs 400 N. She runs up a flight of stairs of height 5 m in 4 seconds. Her power is:
320 W
400 W
500 W
2 000 W
What is the resistance of a lightbulb that experiences 9 Volts and 3 amps of current?
1/3 ohms
3 ohms
27 ohms
9 ohms
What is the voltage of a circuit with 4 ohms of resistance and 3 amps of current?
12 V
21 V
4/3 V
3/4 V
Energy cannot be created or destroyed, it just changes form:
Law of conservation of energy
Kinetic Energy
Potential Energy
Velocity
What type of simple machine is found on the cap of a jar?
Screw
Pulley
Lever
Inclined Plane
What type of simple machine would you find on the bottom of a car?
Inclined Plane
Pulley
Wheel and Axle
Wedge
Which is an example of someone using a simple machine to do work?
A boy runs across the field
A girl eats her sandwich
A banker counts money
A man pushes his trolley up the ramp
What is NOT an example of an incline plane?
Wall
Ladder
Stairs
Driveway
If you INCREASE the amplitude of a wave, the wave speed will
increase
decrease
remain constant
The wavelength of a wave with a velocity of 330 m/s and a frequency of 600 Hz is
0.01 m
0.55 m
1.8 m
23 m
The wavelength of a wave with a velocity of 70 m/s and a frequency of 1500 Hz is
0.05 m
0.55 m
140 m
23 m
