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A ball is thrown vertically upward from the ground. Which of the following statements is true about its velocity and acceleration at the highest point of its trajectory?

a) Velocity is zero, acceleration is zero.

b) Velocity is zero, acceleration is downward.

c) Velocity is upward, acceleration is downward.

d) Velocity is downward, acceleration is zero.

Two objects of different masses are dropped from the same height. Which object will hit the ground first?

a) The heavier object.

b) The lighter object.

c) Both will hit at the same time.

d) It depends on the shape of the objects.

A car travels at a constant speed of 60 km/h for 2 hours. How far has it traveled during this time?

a) 30 km

b) 60 km

c) 120 km

d) 240 km

A 5 kg object is subjected to a force of 20 N. What is the acceleration of the object?

a) 2 m/s²

b) 4 m/s²

c) 5 m/s²

d) 25 m/s²

An object is moving in a circular path at a constant speed. What can you say about its acceleration?

a) Acceleration is zero.

b) Acceleration is directed toward the center of the circle.

c) Acceleration is directed away from the center of the circle.

d) Acceleration is directed tangent to the circle.

b) Acceleration is directed toward the center of the circle.

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Which of the following quantities is a vector?

a) Mass

b) Speed

c) Energy

d) Displacement

A force of 10 N is applied to an object with a mass of 2 kg. What is the acceleration of the object?

a) 2 m/s²

b) 5 m/s²

c) 10 m/s²

d) 20 m/s²

Which of Newton's laws states that an object will remain at rest or in uniform motion unless acted upon by an external force?

a) First law

b) Second law

c) Third law

d) Law of gravitation

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Create quizQuiz and multiple choice questuions in classical mechanics.

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20 questions

English

08-22-2023

Hamza EL AAMRI

I am a phd student. I study materials physics. I do dft simulation study of properties of materials.

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