Worksheets041: Cat. 2: Physics Part 1
Total questions: 12
Worksheet time: 1hrs 10mins
Name
Class
Date
1.
Two students are working together to build a birdhouse. Student 1 applies a force of 10 N to a wooden board in order to slide it across the table to Student 2.
If the force of friction resisting the student’s push is 4 N, what is the net force acting on the board?
If the force of friction resisting the student’s push is 4 N, what is the net force acting on the board?
a)
4 N
b)
6 N
c)
10 N
d)
14 N
2.
The graph below shows the motion of a ball rolling on a straight track.
What was the ball’s average speed during the time represented in the graph?
What was the ball’s average speed during the time represented in the graph?
a)
0.2 m/s
b)
0.5 m/s
c)
5.0 m/s
d)
10.0 m/s
3.
The list includes six situations.
Which objects in the list experience an unbalanced force?
Which objects in the list experience an unbalanced force?
a)
Book, ball, & car
b)
Ball, car, & bird
c)
Can, swing, & bird
d)
Book, ball, can, & swing
4.
Deep Space 1 was a spacecraft powered by an engine that gave off xenon particles to change velocity. It had a mass of 500 kg.
Which expression can be used to find the spacecraft’s acceleration if its engine created a net force of 0.10 N?
Which expression can be used to find the spacecraft’s acceleration if its engine created a net force of 0.10 N?
a)
0.10 N over 500 kg
b)
500 kg x 0.10 N
c)
500 kg over 0.10 N
d)
500 kg + 0.10 N
5.
The drawing shows two identical airplanes at an air show. The airplanes are flying at the same speed. Airplane W is flying 50 m higher than Airplane X.
Which statement best describes the energy of the two airplanes?
Which statement best describes the energy of the two airplanes?
a)
Airplane W has a greater kinetic energy than Airplane X.
b)
Both airplanes have the same gravitational potential energy but different kinetic energies.
c)
Airplane X has more gravitational potential energy than Airplane W.
d)
Both airplanes have the same kinetic energy but different gravitational potential energies
6.
A hobbyist collected data about the motion of a toy train on a straight track and then recorded the data in the graph below.
Which of these accurately describes the motion of the toy train?
Which of these accurately describes the motion of the toy train?
a)
Toy train speeds up while going forward and then slows down.
b)
Toy train slows down while going forward and then moves backward.
c)
Toy train moves forward at a constant speed, slows down, and then stops.
d)
Toy train moves forward at an increasing speed, stops, and then moves forward.
7.
NASA’s space shuttle program was active from 1981 until 2011. The photograph shows rockets carrying a space shuttle off the launchpad.
How can Newton’s law of action–reaction best be applied to explain the movement of a rocket?
How can Newton’s law of action–reaction best be applied to explain the movement of a rocket?
a)
As the fuel burns, gases push against the rocket, moving it upward.
b)
As the fuel burns, gases move out of the rocket and reduce air resistance.
c)
As the fuel burns, the mass of the rocket decreases.
d)
As the fuel burns, the rocket moves faster.
8.
A golfer hits a golf ball with a club. The mass of the ball is 0.05 kg. The ball accelerates at 2,000 m/s2.
What is the net force, to the nearest newton, that accelerates the ball?
What is the net force, to the nearest newton, that accelerates the ball?
a)
10,000 N
b)
1 N
c)
100 N
d)
400 N
9.
A student graphed the position of a cart during a 7-second time interval.
Which statement best describes the cart?
Which statement best describes the cart?
a)
Cart was stationary w/ a velocity of 0 m/s for the entire 7 seconds.
b)
Cart was stationary except for a short burst of acceleration of 0.5 m/s2.
c)
Cart moved @ a constant velocity of 0.5 m/s for the entire 7 seconds.
d)
Cart accelerated @ constant rate of approximately 0.8 m/s2
10.
A teacher rubbed a match against a piece of sandpaper. The match started to burn.
Which statement best describes the energy changes that occurred?
Which statement best describes the energy changes that occurred?
a)
Chemical energy stored in the match changed to thermal energy & light energy.
b)
Thermal energy stored in the match changed to light energy & chemical energy.
c)
Light energy & thermal energy stored in the match changed to mechanical energy.
d)
Light energy& thermal energy stored in the match changed to chemical energy.
11.
A clerk at a hardware store performed the activities in the list.
Which statement best describes the amount of work performed for the three activities?
Which statement best describes the amount of work performed for the three activities?
a)
Activity 3 required more work than Activity 1, but Activity 3 did not require more work than Activity 2.
b)
Activity 1 required the same amount of work as Activity 3.
c)
Activity 2 required the most work.
d)
Activity 1 was the only activity that required work.
12.
During a lab, students added four 50 g. masses to two boxes and arranged the boxes so that they were motionless on a pulley, as shown in the diagram. The students then followed the procedure described in the box. The students recorded their observations after each procedure and reset the pulley system to the original conditions.
During which procedures did students observe an unbalanced upward force on Box 1?
During which procedures did students observe an unbalanced upward force on Box 1?
a)
Procedures 1, 2, & 3
b)
Procedures 4 & 5
c)
Procedures 3 & 4
d)
Procedures 1, 3, & 5
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