P1 Motion, Forces and Energy

Question 1

What is the formula for calculating speed?

Answer 1

Speed = Distance / Time

Question 2

True or False: Velocity is a scalar quantity.

Answer 2

False

Question 3

Fill in the blank: Acceleration is the rate of change of __________.

Answer 3

Velocity

Question 4

What unit is used to measure force?

Answer 4

Newton (N)

Question 5

What is the formula for calculating force?

Answer 5

Force = Mass x Acceleration

Question 6

Multiple choice: Which of the following is a vector quantity? A) Speed B) Distance C) Velocity D) Mass

Answer 6

C) Velocity

Question 7

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

Answer 7

Kilogram (kg)

Question 8

True or False: An object in motion will stay in motion unless acted upon by an external force.

Answer 8

True

Question 9

Fill in the blank: The law of __________ states that the acceleration of an object is directly proportional to the net force acting on it.

Answer 9

Newton

Question 10

What is the acceleration of an object in free fall near the Earth’s surface?

Answer 10

Approximately 9.81 m/s²

Question 11

Multiple choice: What does a steeper slope on a distance-time graph indicate? A) Less speed B) More speed C) Constant speed D) No motion

Answer 11

B) More speed

Question 12

What is the principle of conservation of energy?

Answer 12

Energy cannot be created or destroyed, only transformed.

Question 13

True or False: Kinetic energy depends on speed and mass.

Answer 13

True

Question 14

Fill in the blank: Kinetic energy can be calculated using the formula KE = 1/2 mv², where m is __________.

Answer 14

Mass

Question 15

What type of energy is stored in an object due to its position?

Answer 15

Potential energy

Question 16

Multiple choice: Which of the following is NOT a type of energy? A) Thermal B) Kinetic C) Gravitational D) Magnetic Field

Answer 16

D) Magnetic Field

Question 17

What is the formula for gravitational potential energy?

Answer 17

PE = mgh

Question 18

True or False: Work is done when a force causes displacement.

Answer 18

True

Question 19

Fill in the blank: The unit of work is __________.

Answer 19

Joule (J)

Question 20

What is inertia?

Answer 20

The resistance of an object to change its state of motion.

Question 21

Multiple choice: Which factor does NOT affect the acceleration of an object? A) Mass B) Force C) Friction D) Color

Answer 21

D) Color

Question 22

What is the relationship between mass and weight?

Answer 22

Weight = Mass x Gravitational Field Strength

Question 23

True or False: Friction always acts in the direction of motion.

Answer 23

False

Question 24

Fill in the blank: The __________ force opposes the motion of an object.

Answer 24

Frictional

Question 25

What is momentum?

Answer 25

The product of an object's mass and its velocity.

Question 26

Multiple choice: Which of the following has the greatest momentum? A) A stationary object B) A slow-moving object C) A fast-moving object D) An object with less mass

Answer 26

C) A fast-moving object

Question 27

What is the formula for momentum?

Answer 27

Momentum = Mass x Velocity