- Question of
## For constant acceleration, describe the relationship among displacement, initial and final velocities, and acceleration when the the time variable is algebraically eliminated.

- For constant acceleration, the difference in the squares of the final and initial x components of velocity is equal to twice the product of the displacement and the acceleration
- For constant acceleration, the difference in the squares of the final and initial x components of velocity is equal to thrice the product of the displacement and the acceleration

- Question of
## What is the acceleration of the object during the first 2 seconds?

- 0.5
- 1.5
- 1.0

- Question of
## Acceleration is the rate of change of an object’s

- Speed
- Force
- Velocity
- Momentum
- Mass

- Question of
## What is the standard unit of measurement for acceleration?

- Metres
- Metres per second
- Seconds per metre
- Metres per second squared
- metres per second cubed

- Question of
## Acceleration is a vector measurement because it has both a magnitude and a ________.

- Time
- Distance
- Speed
- Temperature
- Direction

- Question of
## According to Newton’s Second Law, mass times acceleration equals _______.

- Weight
- Force
- Distance
- Time
- Velocity

- Question of
## Which of the following formulas is used to find acceleration?

- a = F/m
- a = m/F
- a = Fm
- a = mv
- a = F/v

- Question of
## An object with constant acceleration will have an increasing _______.

- Mass
- Weight
- Direction
- Velocity
- Atomic weight

- Question of
## True or False: Assuming no air friction, an object in freefall would have constant acceleration.

- True
- False

- Question of
## If the velocity of an object changed from 30 m/s to 60 m/s over a period of 10 seconds, what would the average acceleration be?

- 1 meters per second squared
- 3 meters per second squared
- 6 meters per second squared
- 30 meters per second squared
- 33 meters per second squared

- Question of
## If the velocity of an object changed from 100 m/s to 700 m/s over a period of 1 minute, what would the average acceleration be?

- 1 meters per second squared
- 6 meters per second squared
- 10 meters per second squared
- 60 meters per second squared
- 600 meters per second squared

- Question of
## What is another term used for negative acceleration?

- Speed
- Direction
- Velocity
- Force
- Deceleration

- Question of
## What is the definition of electric charge?

- a property that leads to electromagnetic interactions between the particles that make up matter
- a property that does not lead to electromagnetic interactions between the particles that make up matter

- Question of
## Which of the following is the correct force between two negative charges?

- A
- B
- C
- D

- Question of
## The property of material due to which it attracts or repels other objects is

- friction
- velocity
- current
- charge

- Question of
## Plastic rod rubbed with fur and glass rod rubbed with silk

- repel each other
- mix up with each other
- attract each other
- none of above

- Question of
## A negative charge

- repels neutral charge
- attracts neutral charge
- repels negative charge

- Question of
## The electric charge between two bodies can be produced by

- sticking
- rubbing
- oiling
- passing AC current

- Question of
## If mica and woolen cloth are rubbed together, then mica gets

- positively charged
- negatively charged
- remains neutral
- dual charged

- Question of
## A physical quantity which has direction as well as magnitude is known as a:

- force
- vector
- scalar
- weight

- Question of
## Which of the following is not a scalar quantity?

- velocity
- potential energy
- work
- kinetic energy

- Question of
## Which of the following statements is false?

- Yes
- No

- Question of
## Which of the following statements is false?

- The centre of gravity of a lamina is at its point of balance
- The centre of gravity of a circular lamina is at its centre
- The centre of gravity of a rectangular lamina is at the point of intersection of its two sides
- The centre of gravity of a thin uniform rod is halfway along the rod

- Question of
## The magnitude of the resultant of the vectors is:

- 2N
- 12N
- 35N
- -2N

- Question of
## The resultant of two forces of 3 N and 4 N can never be equal to:

- 2.5 N
- 4.5N
- 6.5N
- 7.5N

- Question of
## The magnitude of the resultant of the vectors is:

- 5N
- 13N
- 1N
- 63N

- Question of
## The magnitude of the resultant of the vectors is:

- 7N
- 5N
- 1N
- 12N

- Question of
## Force is a vector quantity. Which is a correct statement about a vector quantity?

- Has direction only
- Has direction and magnitude
- Has magnitude only
- Has neither magnitude nor direction

- Question of
## What is the unit of momentum?

- J/s
- kgm/s
- Nm

- Question of
## The figure below shows the horizontal forces acting on a car. Forces acting on a car, 5000N pulling it forwards with thrust and 5000N pulling it back with drag. Which one of the statements describes the motion of the car?

- It will be slowing down.
- It will be stationary.
- It will have a constant speed.
- It will be speeding up.

- Question of
## A car makes an emergency stop. The figure below shows the thinking distance and braking distance of the car. What is the stopping distance?

- 74m
- 75m
- 73m
- 72m

- Question of
## An actor has a mass of 70 kg. Gravitational field strength = 9.8 N/kg Use the following equation to calculate the weight of the actor: Weight = mass × gravitational field strength Give your answer to two significant figures.

- 690N
- 700N
- 790N
- 600N

- Question of
## A swimmer dives off a boat. What factor determines the momentum of the swimmer?

- mass
- height
- colour
- intensity

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