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WorksheetsAccelerated Physics Semester 1 Finals Review
Total questions: 53
Worksheet time: 41mins
A car accelerates uniformly from rest to a speed of 20 m/s in 10 seconds. What is the car’s acceleration?
1 m/s²
2 m/s²
4 m/s²
10 m/s²
A ball is thrown straight up with an initial velocity of 15 m/s. What is its velocity after 2 seconds?
5.4 m/s upward
0 m/s
5.4 m/s downward
9.8 m/s downward
What does the slope of a displacement vs. time graph represent?
Acceleration
Velocity
Force
Displacement
A runner moves at a constant speed of 6 m/s for 12 seconds. How far does the runner travel?
36 m
72 m
108 m
144 m
An object in free fall starts from rest. How far does it fall in 3 seconds?
14.7 m
29.4 m
44.1 m
88.2 m
A 10 kg box is pushed across a frictionless surface with a force of 50 N. What is its acceleration?
0.5 m/s²
5 m/s²
10 m/s²
50 m/s²
A 15 kg box is at rest on a table. What is the normal force acting on the box?
15 N
98 N
147 N
1,500 N
Which of the following is an example of Newton's Third Law?
A ball accelerates when kicked.
A book slows down due to friction
A swimmer pushes water backward the water pushes the swimmer forwards.
gravity pulls down a book and the book pushes down on a table.
A block slides down a 30° incline with a coefficient of kinetic friction of 0.2. What is the net force on the block?
Less than gravity
Equal to gravity
Greater than gravity
Zero
A 1,000 kg car accelerates at 3 m/s². What is the net force on the car?
300 N
3,000 N
10,000 N
30,000 N
What force keeps an object moving in a circular path?
Centrifugal force
Friction
Centripetal force
Gravitational force
The gravitational force between two objects is 1,000 N. If the distance between them is doubled, what happens to the force?
It remains the same.
It doubles.
It halves.
It reduces to one-fourth.
A satellite orbits Earth at a constant speed. What type of acceleration does it experience?
Zero acceleration
Constant tangential acceleration
Constant centripetal acceleration
Increasing acceleration
A 10 kg car moves around a flat curve with a speed of 20 m/s and a radius of 50 m. What is the required frictional force to keep the car on the curve?
200 N
400 N
800 N
1,600 N
A projectile is launched at an angle of 30° above the horizontal with a speed of 25 m/s. What is the total time of flight?
1.5 s
2.6 s
5.1 s
10.2 s
A car travels 300 m in 10 seconds, starting from rest with uniform acceleration. What is the car's acceleration?
3 m/s²
6 m/s²
10 m/s²
15 m/s²
A ball is thrown vertically upward with an initial velocity of 20 m/s. How high does it rise?
10 m
20 m
40 m
60 m
Two objects are dropped from a height of 50 m, one straight down and one horizontally at 10 m/s. Which hits the ground first?
The object dropped straight down
The object with horizontal velocity
They hit the ground at the same time
Depends on the mass of the objects
A rock is thrown horizontally from the top of a cliff 80 m high. If it hits the ground 60 m from the base of the cliff, what was its initial horizontal velocity?
5 m/s
7.5 m/s
10 m/s
12 m/s
A 5 kg block is pulled across a rough surface with a force of 50 N at an angle of 30° above the horizontal. If the coefficient of kinetic friction is 0.3, what is the block's acceleration?
7.2 m/s²
3.1 m/s²
4.2 m/s²
5.5 m/s²
A 10 kg mass hangs from a rope in an elevator accelerating upward at 2 m/s². What is the tension in the rope?
80 N
100 N
120 N
140 N
Two blocks (A and B) are connected by a rope. Block A is being pulled across a frictionless surface by a force of 40 N. Block A has a mass of 4 kg and Block B has a mass of 6 kg. What is the tension in the rope between the blocks?
12 N
16 N
24 N
32 N
A block slides down a 30° incline. If the coefficient of kinetic friction is 0.2, what is its acceleration?
3.2 m/s²
4.5 m/s²
5.0 m/s²
6.0 m/s²
In an Atwood machine, two masses m1=5kg and m2=10kg are connected by a string over a frictionless pulley. What is the acceleration of the system?
2.0 m/s²
3.3 m/s²
5.0 m/s²
9.8 m/s²
A satellite orbits Earth in a circular path with a radius of 7.0×10^6m. If the mass of the Earth is 6.0×10^24 kg, what is the orbital speed of the satellite?
5.8 km/s
6.2 km/s
7.5 km/s
8.0 km/s
A 1,000 kg car rounds a curve of radius 50 m at a speed of 20 m/s. What is the minimum coefficient of friction needed to prevent the car from skidding?
0.20
0.30
0.40
0.50
Two objects, each of mass 2,000 kg, are separated by a distance of 100 m. What is the gravitational force between them?
1.34E-8N
2.67E-8N
5.35E-8N
10.7E-8N
A 2 kg object is whirled in a horizontal circle of radius 0.5 m at a speed of 4 m/s. What is the tension in the string?
16 N
32 N
64 N
128 N
A roller coaster car moves through a loop of radius 15 m. If the car's speed at the top of the loop is 12 m/s, what is the normal force exerted by the track on the car (mass = 500 kg)?
0 N
2,000 N
4,000 N
6,000 N
A 5 kg block slides down a 10 m frictionless incline from rest. What is its speed at the bottom?
7.7 m/s
9.9 m/s
14.1 m/s
20.0 m/s
A spring with a spring constant of 200 N/m is compressed by 0.1 m. How much potential energy is stored in the spring?
1.0 J
2.0 J
5.0 J
10.0 J
A 1,500 kg car travels at 25 m/s. How much kinetic energy does it have?
1.875×105J
3.125×105J
4.687×105J
9.375×105J
A pendulum of length 2 m is released from a height of 0.5 m above its lowest point. What is its speed at the lowest point?
2.2 m/s
3.0 m/s
4.0 m/s
5.0 m/s
A student generates 800 W of power climbing a flight of stairs in 10 seconds. If the total mass of the student and their belongings is 80 kg, what is the height of the stairs?
1.0 m
5.0 m
10.0 m
12.5 m
A 0.2 kg ball moving at 15 m/s collides with a wall and rebounds at 10 m/s. What is the change in momentum?
1.0 kg·m/s
3.0 kg·m/s
5.0 kg·m/s
10.0 kg·m/s
A 1,000 kg car traveling at 20 m/s collides with a stationary truck of 2,000 kg. If the collision is perfectly inelastic, what is the final velocity of the system?
6.67 m/s
10 m/s
15 m/s
20 m/s
A 2 kg object moving at 6 m/s collides elastically with a 3 kg object at rest. What is the velocity of the 2 kg object after the collision?
-1.2 m/s
0 m/s
2 m/s
4 m/s
Two skaters push off each other on ice. Skater A has a mass of 50 kg and Skater B has a mass of 60 kg. If Skater A moves at 3 m/s, what is the speed of Skater B?
1.5 m/s
2.5 m/s
2.0 m/s
3.0 m/s
A force of 10 N acts on a 4 kg object for 3 seconds. What is the change in momentum?
10 kg·m/s
30 kg·m/s
40 kg·m/s
120 kg·m/s
A 0.1 kg ball is traveling at 20 m/s and strikes a stationary 0.2 kg ball elastically. After the collision, the 0.1 kg ball moves at 10 m/s. What is the speed of the 0.2 kg ball?
5 m/s
10 m/s
15 m/s
20 m/s
A 2,000 kg car traveling east at 30 m/s collides inelastically with a 3,000 kg truck traveling west at 20 m/s. What is the velocity of the combined system after the collision?
0 m/s
4 m/s west
2 m/s east
4 m/s east
Two objects collide, and the total kinetic energy decreases after the collision. What type of collision has occurred?
Elastic
Inelastic
Perfectly elastic
Explosion
A ball of mass 0.5 kg moving at 8 m/s strikes a wall and rebounds at 6 m/s. If the collision lasts 0.1 s, what is the magnitude of the average force exerted by the wall on the ball?
20 N
40 N
70 N
140 N
A 4 kg cart moving to the right at 5 m/s collides with a 2 kg cart moving to the left at 3 m/s. After the collision, the 4 kg cart moves to the right at 2 m/s. What is the velocity of the 2 kg cart after the collision?
2 m/s to the right
3 m/s to the right
4 m/s to the right
5 m/s to the right
A planet has a mass of 4.0×1024kg and a radius of 6.4×106 m. What is the gravitational field strength at its surface?
6.0 N/kg
8.0 N/kg
9.8 N/kg
10.5 N/kg
A 2 kg object moves in a circular path with a radius of 0.5 m at a constant speed of 4 m/s. What is the centripetal force acting on the object?
8 N
16 N
32 N
64 N
A satellite is in a circular orbit 2,000 km above Earth’s surface. If Earth’s radius is 6,400 km, what is the orbital speed of the satellite?
6.9 km/s
7.8 km/s
8.4 km/s
9.1 km/s
Two stars, each of mass 1.0×1030kg, are separated by 1.0×1011m. What is the gravitational force between them?
6.7×10^27N
1.3×10^22N
2.7×10^22N
5.4×10^22N
A car traveling at 20 m/s rounds a curve of radius 50 m. What is the net force required to keep the car on the curve if the car's mass is 1,200 kg?
4,800 N
9,600 N
14,400 N
19,200 N
The graph shows
positive velocity that's getting faster
negative velocity that's getting faster
negative velocity that's getting slower
positive velocity that's getting slower
The graph shows
positive velocity that's getting faster
negative velocity that's getting faster
negative velocity that's getting slower
positive velocity that's getting slower
A 2kg object moving at 5 m/s encounters a 30 N resistive force over a duration of 0.10 seconds. The impulse experienced by this object is _____
0.30 N*s
2 N*s
2.5 N*s
3 N*s
7 N*s
