Free Printable Physics review Spring 2021

1.

Which of the following is the formula for acceleration?

a)

$a=\frac{\Delta t}{\Delta v}$

b)

$a=\frac{\Delta v}{\Delta t}$

c)

$a=\frac{\Delta t}{\Delta m}$

d)

$a=\frac{\Delta m}{\Delta t}$

2.

According to the graph , what is the displacement of the object from 5 sec to 14 sec?

a)

13 m

b)

-13 m

c)

3 m

d)

-3 m

3.

According to the graph , what is the distance the object travels from 5 sec to 14 sec?

a)

13 m

b)

-13 m

c)

3 m

d)

- 3 m

4.

What is the average velocity from 5 sec to 14 sec?

a)

- 0.93 m/s

b)

0.93 m/s

c)

- 0.33 m/s

d)

0.33 m/s

5.

What is the average speed from 5 sec to 14 seconds?

a)

-0.93 m/s

b)

0.93 m/s

c)

-0.33 m/s

d)

0.33 m/s

6.

What is the acceleration from 12 to 14 seconds?

a)

$0.25\ \frac{m}{s^2}$

b)

$-0.25\ \frac{m}{s^2}$

c)

$2\ \frac{m}{s^2}$

d)

$-2\ \frac{m}{s^2}$

7.

If a vehicle starts from rest and accelerates to the right at 10 m/s² for 9s, what is the final velocity of the vehicle?

a)

90 m/s

b)

100 m/s

c)

110 m/s

d)

1.1 m/s

8.

If you drop a rock from rest off of a high bridge into a river, what is the velocity of the stone after 6 seconds? (neglect air resistance)

a)

- 176.4 m/s

b)

176.4 m/s

c)

- 58.8 m/s

d)

58.8 m/s

9.

An object in motion will stay in motion unless acted upon by an unbalanced force

a)

Newton's 1st Law

b)

Newton's 2nd Law

c)

Newton's 3rd Law

d)

Newton's 4th Law

10.

A dog walking to the right with a speed of 1.0 m/s sees a cat and speeds up with a constant rightward acceleration of magnitude 8 m/s².

What is the distance the the dog traveled after 2 seconds?

a)

14 m

b)

16 m

c)

18 m

d)

20 m

11.

A rock is dropped from a high cliff. If it takes 6 seconds for the rock to hit the ground how high is the cliff?

a)

176.4 m

b)

55.1 m

c)

19.1 m

d)

320.8 m

12.

A car is stopped at a red light.

Which claim about the forces acting on the car must be true?

a)

There are no forces on the car

b)

There is no net force on the car

c)

There is not enough information

d)

There is a net force on the car

13.

Rank the time in the air of the balls.

a)

$t_3<t_2<t_1$

b)

$t_3<t_1=t_2$

c)

$t_1=t_2=t_3$

d)

$t_2=t_3<t_1$

14.

A van drives over the top of a circular hill as shown below.

Which set of force vectors shows all the vertical forces on the van?

a)

b)

c)

d)

15.

A box moves 5 m horizontally when force of 10 N is applied at an angle of 60 degrees.

What is the work done by F on the box?

a)

25 J

b)

- 50 J

c)

- 25 J

d)

50 J

16.

A 750 kg horse runs at a speed of 15 m/s. What is the horse's kinetic energy?

a)

11200 J

b)

45200 J

c)

66400 J

d)

84400 J

17.

What is the formula for the change in gravitational potential energy?

a)

$\frac{I}{R}$

b)

$\frac{1}{2}mv^2$

c)

$mgh$

d)

$\frac{1}{2}kx^2$

18.

A 4 kg model train going right at 6.0 m/s bumps a toy wagon moving right at 2.0 m/s. The train has a final velocity to the right of 4.8 m/s and the wagon has a final velocity of 5.2 m/s to the right.

What is the mass of the wagon?

a)

1.0 kg

b)

1.5 kg

c)

2.0 kg

d)

2.5 kg

19.

A fan initially rotates clockwise at 9 rad/s, but has a counterclockwise angular acceleration of 3.0 rad/s² and reaches a counterclockwise angular speed of 27 rad/s.

How much time did this change in the angular velocity take?

a)

3 s

b)

6 s

c)

9 s

d)

12 s

20.

A 25 N force F is applied to a bar that can pivot around its center as shown.

The force is r = 0.75 m away from the center at an angle of 45 degrees.

What is the torque on the bar?

a)

0 Nm

b)

- 13 Nm

c)

13 Nm

d)

19 Nm

21.

A student extends then releases a mass attached to a spring. A graph of the mass's displacement over time is shown below.

What is the period of the oscillation?

a)

1 s

b)

2 s

c)

3 s

d)

4 s

22.

The lines represent a wave traveling to the right in a uniform medium at time t.

What type of wave does the image represent?

a)

Longitudinal

b)

Transverse

23.

A periodic wave with a wavelength of 4m has a speed of 8 m/s. What is the wave's frequency?

a)

2 Hz

b)

8 Hz

c)

24 Hz

d)

32 Hz

24.

A metal disk with a charge Q₁ = - 1e sits near a metal sphere that has a charge Q₂ = - 4e.

If the disk is touched to the sphere, what is a possible final charge on each object?

a)

$Q_1=-1e,\ Q_2=+7e$

b)

$Q_1=-2e,\ Q_2=-2e$

c)

$Q_1=-2e,\ Q_2=-3e$

d)

$Q_1=-3e,\ Q_2=-3e$

25.

A student builds a circuit as shown.

What is the current through the resistor?

a)

200 A

b)

2 A

c)

0.5 A

d)

30 A

26.

A circuit with two resistors is shown.

What is the equivalent resistance of the resistors?

a)

$24\ \Omega$

b)

$8.0\ \Omega$

c)

$5.3\ \Omega$

d)

$12\ \Omega$

27.

A circuit with three resistors is shown.

What is the equivalent resistance of the resistors?

a)

$48\ \Omega$

b)

$4.0\ \Omega$

c)

$12\ \Omega$

d)

$1.1\ \Omega$

28.

A plane drops a package for delivery. The plane is flying horizontally at a speed of 120 m/s, and the package travels 255 m horizontally during the drop.

What is the package's vertical displacement during the drop?

a)

-22.1 m

b)

-32.1 m

c)

-45.4 m

d)

-17.4 m

29.

What is the voltage of the battery?

a)

2 V

b)

32 V

c)

12 V

d)

6 V

Physics review Spring 2021

Total questions: 29

Worksheet time: 41mins

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