HOT
puzedu – all teaching materials in one place
No Result
View All Result
puzedu – all teaching materials in one place
No Result
View All Result
Home Physics

Physics quiz (1st semester, 1st year)

in Physics
Reading Time: 7 mins read
374 24
0
Physics quiz (1st semester, 1st year)
548
SHARES
2.5k
VIEWS
Share on FacebookShare on Twitter

Option 1.

1.Give definitions of the following concepts: Speed, force, body momentum, isoprocesses.

2. Write down the formulation of Newton’s 1st law.

3. Solve the problems:

Using the equation of coordinate x=2+3t+t2 determine: initial coordinate, projection of initial velocity, projection of acceleration. Write the equation of velocity and draw a graph.

A body moving in a straight line increased its speed from 36 km/h to 72 km/h in 10 seconds. What distance did the body travel during this time?

A body of mass 500 g under the action of some force gained acceleration 5 m/s2. What acceleration will a body with a mass of 100 g gain under the action of the same force?

A weight of 2 kg, tied to a weightless string, rises with an acceleration of 5 m/s2. Determine the force of the tension of the string.

A body with a mass of 30 kg, moving at a speed of 2m/s, collides with a stationary cart with a mass of 10 kg. What is the velocity of the joint motion of the bodies after they are coupled?

What is the kinetic energy of a body with a mass of 2 kg moving at a speed of 10m/s?

Option 2

1.Give definitions of the following concepts: path, mass, momentum of force, isothermal process.

2. Write down the formulation of Newton’s 2nd law.

3. Solve the problems:

Using the equation of coordinate x=-2-4t+2t^2 determine: initial coordinate, projection of initial velocity, projection of acceleration. Write the equation of velocity and draw a graph.

While traveling at an equal acceleration for 5 s, the car increased its speed from 72 km/h to 108 km/h. What distance did the body travel during this time?

A force of 0.002 kN gives an acceleration of 0.4 m/s2 to the body. What force can give this body an acceleration of 2 m/s2?

A body with a mass of 10 kg is moving uniformly along a horizontal surface under the action of a force of 10 N. What is the coefficient of friction?

A cart with a mass of 50 kg moving at a speed of 3 m/s collides with a stationary cart with a mass of 25 kg and is hitched to it. What is the speed of both carts after the interaction?

What is the potential energy of a body with a mass of 3 kg at a height of 4 m?

Option 3

1.Give definitions of the following concepts: acceleration, weight, power, isobaric process.

2. Write down the formulation of Newton’s 3rd law.

3. Solve the problems:

Using coordinate equation x=1+3t-3t^2 determine: initial coordinate, projection of initial velocity, projection of acceleration. Write the equation of velocity and draw a graph.

During the motion the velocity of the body changed from 3.6 km/h to 10.8 km/h in 50 s.  Determine the distance covered by the body during this time.

A body with a mass of 0.002 t under the action of some force has an acceleration of 2 m/s2. What acceleration will a body with a mass of 0.001 t gain under the action of the same force?

When moving off, an electric locomotive develops a tractive force of 500 kN. What acceleration will it give to a train with a mass of 5000t if the friction force is 250kN?

A cart with a mass of 5 kg moving at a speed of 2 m/s collides with a cart with a mass of 4 kg moving towards it at a speed of 10 m/s and hitches up with it. What is the speed of both carts after the interaction?

What is the kinetic energy of a body with a mass of 4 kg moving with a speed of 20 m/s?

Option 4

1.Give definitions of the following concepts: deformation, gravity, kinetic energy, isochoric process.

2. Write down the formulation of the law of universal gravitation.

3. Solve problems:

Using the equation of coordinate x=5+4t-2t^2 determine: initial coordinate, projection of initial velocity, projection of acceleration. Write the equation of velocity and draw a graph.

A train traveling at a speed of 72 km/h travels 100 m before it stops. Determine in how much time the train stopped.

A body of mass 0.05 n under the action of some force gained acceleration of 5 m/s2. What acceleration will a body with a mass of 0.001 t gain under the action of the same force?

A weight of 10 kg tied to a weightless string is lifted up with an acceleration of 2m/s2. Determine the force of the tension of the string.

A man with a mass of 50 kg jumped from the shore with a speed of 6m/s into a stationary boat near the shore. At what speed will the boat move with the man if the boat has a mass of 40 kg?

What is the potential energy of a body with a mass of 10 kg at a height of 5 m?

Option 5

1.Give definitions of the following concepts: trajectory, elastic force, potential energy, molecule.

2. Write down the formulation of the law of conservation of momentum.

3. Solve the problems:

Using the coordinate equation x=-5+4t+4t^2 determine: initial coordinate, projection of initial velocity, projection of acceleration. Write the equation of velocity and plot the graph.

A train traveling at a speed of 108 km/h travels 150 m before it stops. Determine in how much time the train stopped.

A body with a mass of 300 g under the action of some force gained an acceleration of 6 m/s2. What acceleration will a body with a mass of 600 g gain under the action of the same force?

A body with a mass of 50 kg is moving uniformly along a horizontal surface under the action of a force of 100 N. What is the coefficient of friction?

A cart with a mass of 10 kg, moving with a speed of 3 m/s, collides with a cart with a mass of 4 kg, moving towards it with a speed of 20 m/s and is coupled to it. What is the velocity of both carts after the interaction?

What is the kinetic energy of a body with a mass of 5 kg moving with a speed of 40 m/s?

Option 6

1.Give definitions of the following concepts: mechanical motion, deformation, efficiency, temperature.

2. Write down the formulation of the law of conservation of energy.

3. Solve the problems:

Using the equation of coordinate x=-3+2t+2t^2 determine: initial coordinate, projection of initial velocity, projection of acceleration. Write the equation of velocity and graph it.

A train traveling at a speed of 108 km/h stopped after 5 minutes. Determine the acceleration of the train.

A body of mass 50 g under the action of some force gained an acceleration of 2 m/s2. What acceleration will a body of mass 400 g gain under the action of the same force?

A body with a mass of 50 kg moves on a horizontal surface under the action of a force of 100 N with acceleration of 2 m/s2. What is the coefficient of friction?

A cart with a mass of 10 kg moving at a speed of 3 m/s collides with a cart with a mass of 4 kg moving in the same direction at a speed of 2 m/s and is coupled to it. What is the speed of both carts after the interaction?

What is the kinetic energy of a body with a mass of 0.2 kg moving at a speed of 10 m/s?

Trending

Control work 1 (10th grade, basic)
Сhemistry

Control work 1 (10th grade, basic)

2.5k
Individual Math Cards for Second Grade
Mathematics

Individual Math Cards for Second Grade

2.5k
Tales, stories about family for preschoolers
Fairy tale

Tales, stories about family for preschoolers

2.5k
Realization of the educational potential of the lesson through the work with the content of educational material
Education

Realization of the educational potential of the lesson through the work with the content of educational material

2.5k
Modern Youth: Problems and Perspectives
Education

Modern Youth: Problems and Perspectives

2.5k
puzedu – all teaching materials in one place

Categories

  • Astronomy
  • Biology
  • Computer Science
  • Documents
  • Economics
  • Education
  • English language
  • Fairy tale
  • Geography
  • Geometry
  • History
  • Interests
  • Mathematics
  • Medicine
  • No category
  • Physical education
  • Physics
  • Politics
  • Psychology
  • Sociology
  • Traffic rules
  • Сhemistry
  • Contact Us

© 2022

No Result
View All Result
  • Home
  • Contact Us

© 2022

Welcome Back!

Login to your account below

Forgotten Password?

Retrieve your password

Please enter your username or email address to reset your password.

Log In
wpDiscuz