Question 1

What is the acceleration of an object if a net force of 20 N is applied to a 4 kg mass?

Accepted Answer

5 m/s²

Answer

2 m/s²

Answer

8 m/s²

Answer

10 m/s²

Question 2

Which of the following statements is true regarding balanced forces?

Accepted Answer

They do not change the motion of an object.

Answer

They always push an object in the same direction.

Answer

They always cause acceleration.

Answer

They increase the speed of an object.

Question 3

What happens to an object's motion when a net force is applied in the opposite direction to its current motion?

Accepted Answer

It slows down.

Answer

It changes direction but maintains speed.

Answer

It continues moving at the same speed.

Answer

It speeds up.

Question 4

If an object is moving in a circular path at a constant speed, what type of acceleration is it experiencing?

Accepted Answer

Centripetal acceleration

Answer

Linear acceleration

Answer

Negative acceleration

Answer

Angular acceleration

Question 5

What is the inertia of an object?

Accepted Answer

The tendency of an object to resist changes in its state of motion.

Answer

The mass of an object multiplied by its velocity.

Answer

The distance an object travels over time.

Answer

The force that causes an object to move.

Question 6

What is the formula for calculating speed?

Accepted Answer

Speed = Distance / Time

Answer

Speed = Distance + Time

Answer

Speed = Distance x Time

Answer

Speed = Time / Distance

Question 7

Which of the following will result in an increase in kinetic energy?

Accepted Answer

Doubling the speed of an object.

Answer

Increasing the height of an object.

Answer

Halving the speed of an object.

Answer

Doubling the mass while keeping speed constant.

Question 8

If a car accelerates from rest to a speed of 30 m/s in 10 seconds, what is its acceleration?

Accepted Answer

3 m/s²

Answer

1 m/s²

Answer

5 m/s²

Answer

2 m/s²

Question 9

What is the gravitational force acting on a 10 kg object near the Earth's surface?

Accepted Answer

98 N

Answer

70 N

Answer

30 N

Answer

10 N

Question 10

Which of the following statements about momentum is true?

Accepted Answer

Momentum is conserved in a closed system.

Answer

Only moving objects have momentum.

Answer

Momentum is the same as energy.

Answer

Momentum can be created and destroyed.

Question 11

What is the relationship between force, mass, and acceleration in Newton's second law of motion?

Accepted Answer

F = ma

Answer

F = m + a

Answer

F = m/a

Answer

F = a/m

Question 12

Which of the following best describes inertia?

Accepted Answer

The resistance of an object to change its state of motion

Answer

The acceleration of a moving object

Answer

The speed of an object in a vacuum

Answer

The force acting on an object in motion

Question 13

What is the unit of force in the International System of Units (SI)?

Accepted Answer

Newton

Answer

Pascal

Answer

Joule

Answer

Watt

Question 14

If an object is moving with constant velocity, what can you say about the net force acting on it?

Accepted Answer

The net force is zero

Answer

The net force is equal to the mass

Answer

The net force is equal to the speed

Answer

The net force is increasing

Question 15

What is the effect of friction on motion?

Accepted Answer

It opposes the motion of an object

Answer

It has no effect on motion

Answer

It helps the object move faster

Answer

It increases the object's speed

Question 16

Which of the following statements about gravitational force is correct?

Accepted Answer

It acts between any two objects with mass

Answer

It only acts on objects near Earth

Answer

It is stronger than all other forces

Answer

It acts only at large distances

Question 17

What happens to an object's momentum if its mass is doubled while maintaining the same velocity?

Accepted Answer

The momentum is doubled

Answer

The momentum remains the same

Answer

The momentum is tripled

Answer

The momentum is halved

Question 18

What is the primary reason objects fall towards the Earth?

Accepted Answer

The force of gravity

Answer

The force of friction

Answer

Magnetic attraction

Answer

Air resistance

Question 19

What is the effect of increasing the force applied to an object while keeping its mass constant?

Accepted Answer

The object's acceleration increases

Answer

The object's mass decreases

Answer

The object's velocity remains constant

Answer

The object's speed decreases

Question 20

What is the rate of acceleration of an object due to Earth's gravity?

Accepted Answer

9.8 m/s2

Answer

8.9 m/s2

Answer

67 m/s2

Answer

98 m/s2

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