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WorksheetsPREFINAL REVIEWER
Total questions: 19
Worksheet time: 31mins
Find the speed of Sir Azwan’s car after 40 sec at 8 meters.
0.2 m/s
5 m/s
0.2 mph
40 mph
Harry Potter waved his .23 m wand with .069 Nm of torque. How much force did Harry apply to rotate his wand?
0.4N
0.5N
0.3N
0.16N
Which represents the acceleration of the ball?
A
B
C
D
Bruno the bat has a mass of 0.58 kg and flies at a speed of 0.8 m/s in circle of radius 0.5 m. What is his acceleration?
0.25 m/s2
1.3 m/s2
1.6 m/s2
0.74 m/s2
What is the direction of the velocity at point B, if the ball is revolving clockwise?
up
right
down
left
What is the unit called that measures force?
weight
meter
Newton
kilogram
What does friction produce?
light
sound
heat
gravity
What is the coefficient of static friction if it takes 44 N of force to move a box that weighs 86 N?
0.78
0.51
0.78
0.58
A box takes 40 N to start moving when the coefficient of static friction is .54. What is the weight of the box?
81 N
18 N
98 N
74 N
What are the units on the coefficient of friction?
none
Newtons
meters
kilogram
A race car completes three laps of a circular track with a radius of 35 m in 9.0 seconds. Determine the speed of the car.
3.9 m/s
73.3 m/s
24.4 m/s
1.0 m/s
Which statement is true about an object that is traveling in uniform circular motion?
The speed of the object varies.
The net force on the object is directed toward the center of the circular path.
The direction of the object's velocity is constant.
The net force on the object is directed away from the center of the circular path.
Two objects are attracted to each other with 36 N of gravitational force. What would the force between them be if the distance between them were doubled?
9 N
18 N
72 N
144 N
Calculate the velocity of an object moved around a circle with a radius of 1.65 m and an acceleration of 3.5 m/s2.
2.4 m/s
3.6 m/s
3.9 m/s
4.2 m/s
Calculate the mass of an object if it took 20 N to rotate it in a circle with a radius of 2 meters with a velocity of 4 m/s
4.1 kg
3.6 kg
2.5 kg
1.8 kg
Check the correct examples of velocity
6km/h
4 km/h north
70mph
25 feet up
Shamel is running down the field at first going 15m/s then after 20 sec is going 30m/s. What is his acceleration?
0.75 mph
2m/s
0.75m/s2 south
2mph
A car accelerates from a standstill to 70 m/s in 10 seconds. What is the acceleration?
0.7m/s
27m/s
214m/s2
none of the above
A train that travels 100 kilometers in 4 hours is traveling at what average speed?
50 km/h
100 km/h
2 km/h
25 km/h
