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WorksheetsForce and Laws of Motion
Total questions: 30
Worksheet time: 11mins
Which of the following is a unit of force?
Newton
Joule
Watt
Pascal
Who formulated the three laws of motion?
Albert Einstein
Isaac Newton
Galileo Galilei
Niels Bohr
According to Newton's first law of motion, a body at rest will remain at rest unless acted upon by:
Another object
A force
Gravity
Inertia
The property of a body to resist any change in its state of motion is known as:
Force
Inertia
Momentum
Acceleration
Which of the following is the correct expression for Newton's second law of motion?
F = ma
F = mv
F = m/v
F = mv²
In the equation F = ma, what does 'a' represent?
Force
Mass
Acceleration
Velocity
Newton's third law of motion states that for every action, there is an equal and opposite:
Force
Motion
Reaction
Acceleration
The force that opposes the motion of an object through a fluid is called:
Gravitational force
Frictional force
Buoyant force
Drag force
When a car suddenly stops, passengers lurch forward due to:
Gravity
Inertia
Momentum
Friction
Momentum is defined as the product of:
Mass and acceleration
Mass and velocity
Force and time
Velocity and time
Which of the following statements is true about friction?
Frictional force always acts in the direction of motion.
Friction can only be reduced, not eliminated.
Friction always opposes the relative motion between two surfaces.
Friction is not affected by the nature of the surfaces in contact.
A ball is thrown vertically upwards. The force acting on it at the highest point is:
Zero
Its weight
An upward force
Centripetal force
What is the net force acting on a 1 kg ball in free fall (ignoring air resistance)?
1 N
9.8 N
4.9 N
0 N
A rocket works on the principle of:
Newton's first law
Newton's second law
Newton's third law
Law of conservation of mass
The acceleration of an object is directly proportional to:
Its mass
The net force acting on it
Its velocity
Its inertia
Which of the following best describes uniform circular motion?
Motion with constant speed in a straight line
Motion with constant speed in a circular path
Motion with varying speed in a circular path
Motion with varying speed in a straight line
The SI unit of momentum is:
kg m/s²
kg m/s
N m
N s
The measure of the inertia of an object is given by its:
Weight
Volume
Mass
Density
Which of the following quantities is a vector?
Speed
Mass
Velocity
Time
The force that causes an object to move in a circular path is called:
Centripetal force
Centrifugal force
Gravitational force
Frictional force
Which law of motion explains why a passenger not wearing a seatbelt is thrown forward when a car stops suddenly?
Newton's first law
Newton's second law
Newton's third law
Law of gravitation
Which of the following pairs of quantities are both vectors?
Speed and force
Velocity and mass
Acceleration and momentum
Time and distance
An object of mass 2 kg is acted upon by a force of 4 N. What is its acceleration?
2 m/s²
21 m/s²
8 m/s²
0.5 m/s²
Which of the following will happen if the net force acting on an object is zero?
The object will accelerate.
The object will change its direction of motion.
The object will continue in its state of rest or uniform motion.
The object will increase its speed.
Which of the following is an example of Newton's third law of motion?
A book lying on a table
A car accelerating on a highway
A rocket launching into space
A person standing still
The force exerted by a surface to support the weight of an object resting on it is called:
Tension force
Normal force
Frictional force
Applied force
If the mass of an object is doubled, its inertia:
Is halved
Remains the same
Is doubled
Is tripled
Which of the following is true about action-reaction forces?
They act on the same object.
They act on different objects.
They are always equal in magnitude and direction.
They do not occur simultaneously.
What is the direction of the net force acting on an object in uniform circular motion?
Tangential to the path
Radially outward
Radially inward
Along the direction of motion
A ball of mass 0.5 kg is moving with a velocity of 2 m/s. What is its momentum?
