- AInertia of direction
- BInertia of motion
- CInertia of rest
- DNone of the above
Laws of motion - Quiz
- A A book lying on a table
- B A person leaning sideways when a car makes a sharp turn
- CA stone falling from a height in vacuum
- DAn object resisting any change in its state of rest
- APushing a car uphill
- BTurning a tap
- CLifting a weight
- DKicking a football
- AA circular wheel with teeth around its rim
- BA rectangular wheel with spikes around its rim
- CA triangular wheel with holes around its rim
- DA square wheel with stripes around its rim
- AA large force acting for a short period of time and a smaller force acting for a longer period of time
- BA large force acting for a long period of time and a smaller force acting for a shorter period of time
- CA constant force acting for a short period of time and a variable force acting for a longer period of time
- DA constant force acting for a long period of time and a variable force acting for a shorter period of time
- ANewton’s First Law
- BNewton’s Second Law
- CNewton’s Third Law
- DNone of the above
- Amagnitude
- Bdirection
- Cboth magnitude and direction
- Dnone of the above
- Amomentum
- Benergy
- Cimpulse
- Dpower
- ANm²/kg
- Bm/s
- Cm/s²
- DN
- AThe equator
- BThe North Pole
- CThe South Pole
- DIt remains the same at all places on Earth
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Laws of motion - Quiz
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- A. Inertia of direction
- B. Inertia of motion
- C. Inertia of rest
- D. None of the above
Remarks:
Explanation:
The resistance of a body to change its state of rest is called inertia of rest.
- A. A book lying on a table
- B. A person leaning sideways when a car makes a sharp turn
- C. A stone falling from a height in vacuum
- D. An object resisting any change in its state of rest
Remarks:
Explanation:
When a car makes a sharp turn, a person leaning sideways is an example of inertia of direction. When a body resists any change in its state of motion, it is called inertia of motion.
- A. Pushing a car uphill
- B. Turning a tap
- C. Lifting a weight
- D. Kicking a football
Remarks:
Explanation:
A couple is defined as two equal and unlike parallel forces applied simultaneously at two distinct points, which do not produce any translatory motion but cause the rotation of the body. Turning a tap involves two equal and opposite forces applied at different points, which results in the rotation of the tap.
- A. A circular wheel with teeth around its rim
- B. A rectangular wheel with spikes around its rim
- C. A triangular wheel with holes around its rim
- D. A square wheel with stripes around its rim
Remarks:
Explanation:
A gear is a mechanical component that consists of a circular wheel with teeth around its rim. It is used to transmit power and change the speed of rotation by changing the torque.
- A. A large force acting for a short period of time and a smaller force acting for a longer period of time
- B. A large force acting for a long period of time and a smaller force acting for a shorter period of time
- C. A constant force acting for a short period of time and a variable force acting for a longer period of time
- D. A constant force acting for a long period of time and a variable force acting for a shorter period of time
Remarks:
Explanation: A change in momentum can be achieved in two ways: a large force acting for a short period of time and a smaller force acting for a longer period of time.
- A. Newton’s First Law
- B. Newton’s Second Law
- C. Newton’s Third Law
- D. None of the above
Remarks:
Explanation: Newton’s Third Law of Motion states that for every action, there is an equal and opposite reaction. They always act on two different bodies.
- A. magnitude
- B. direction
- C. both magnitude and direction
- D. none of the above
Remarks:
Explanation: If a body A applies a force FA on a body B, then the body B reacts with force FB on the body A, which is equal to FA in magnitude but opposite in direction.
- A. momentum
- B. energy
- C. impulse
- D. power
Remarks:
Explanation: The product of force and time is known as impulse, represented by J.
- A. Nm²/kg
- B. m/s
- C. m/s²
- D. N
Remarks:
Explanation: The unit of acceleration due to gravity is m/s².
- A. The equator
- B. The North Pole
- C. The South Pole
- D. It remains the same at all places on Earth
Remarks:
Explanation: The weight of a body is more at the North Pole than at the equator.