PHYSICS KSSM FORM 4 CHAPTER 2

1.

Multiple Choice

30 sec

1 pt

What is the speed of an object at rest?

9.81 m/s

1 m/s

0 m/s

10 m/s

2.

Multiple Choice

30 sec

1 pt

Which of the following units is the SI unit of velocity?

meter

meter•second

meter per second

second per meter

3.

Multiple Choice

30 sec

1 pt

Acceleration is defined as

a rate of displacement

the rate of change of displacement.

the change in velocity

the rate of change of velocity.

4.

Multiple Choice

30 sec

1 pt

What is the SI unit of acceleration?

m/s

m2 /s

m/s2

m•s2

5.

Multiple Choice

30 sec

1 pt

The graph above describes the motion of a ball. At what point does the ball have an instantaneous velocity of zero

1 second

2 seconds

3 seconds

4 seconds

6.

Multiple Choice

30 sec

1 pt

Acceleration due to gravity is also called

negative velocity

displacement

free-fall acceleration

instantaneous velocity

7.

Multiple Choice

30 sec

1 pt

When there is no air resistance, objects of different masses dropped from rest

fall with equal accelerations and with equal displacements.

fall with different accelerations and with different displacements.

. fall with equal accelerations and with different displacements.

fall with different accelerations and with equal displacements.

8.

Multiple Choice

30 sec

1 pt

Which would hit the ground first if dropped from the same height in a vacuum—a feather or a metal bolt?

. the feather

the metal bolt

They would hit the ground at the same time

They would be suspended in a vacuum

9.

Multiple Choice

30 sec

1 pt

The picture of the position vs. time graph shows an object that is...

accelerating/speeding up

moving at a constant speed

not moving

accelerating/slowing down.

10.

Multiple Choice

30 sec

1 pt

If these boys are pulling with the same amount of force. What will happen?

The boy in blue will win.

They will not move at all.

The boy in red will win.

Both will fall down.

11.

Multiple Choice

30 sec

1 pt

What is the standard unit force is measured in?

Newtons

pounds

grams

meters

12.

Multiple Choice

30 sec

1 pt

The tendency of an object to stay in motion or at rest is called

velocity

acceleration

speed

inertia

13.

Multiple Choice

30 sec

1 pt

When two children of equal weight sit at opposite ends of a seesaw, they create

gravity

unbalanced forces

motion

balanced forces

14.

Multiple Choice

30 sec

1 pt

When an unbalanced force acts on an object, the force...

Changes the motion of the object

Is canceled by another force

Does not change the motion of the object

Is equal to the weight of the object

15.

Multiple Choice

30 sec

1 pt

An object at rest stays at rest unless acted upon by an outside force is part of ...

Newton's First Law

Newton's Second Law

Newton's Third Law

Darwin's Theory of Natural Selection

16.

Multiple Choice

30 sec

1 pt

According to Newton's First Law of Motion...

An object in motion will slow down when moving down a hill.

An object in motion will stay in motion unless acted upon by an outside force.

An object in motion will always move sideways when acted upon by an outside force.

An object in motion will stay in motion when it is acted upon by an outside force.

17.

Multiple Choice

30 sec

1 pt

A change in velocity over time is...

Weight

Speed

Acceleration

Force

18.

Multiple Choice

30 sec

1 pt

When forces are balanced, the net force ....

Is greater than the sum of the forces

Is zero

Is negative

Is equal to the largest force

19.

Multiple Choice

30 sec

1 pt

A soccer ball takes 20s to roll 10 m. What is the average speed of the soccer ball?
Speed = distance/time

200 m/s

5 m/s

2 m/s

0.5 m/s

20.

Multiple Choice

30 sec

1 pt

When an object is at rest, what is its velocity?

2 m/s

3 m/s

1 m/s

0 m/s

21.

Multiple Choice

30 sec

1 pt

What is the acceleration of an object that speeds up from 1m/s to 5m/s in 2 seconds?

2meters/seconds

2meters/second squared

4 meters per second

4 meters per second squared

22.

Multiple Choice

30 sec

1 pt

What is the net force on the block? (click on the words to view the picture)

5 Newtons up

5 Newtons down

15 Newtons up

15 Newtons down

23.

Multiple Choice

30 sec

1 pt

What does this graph represent?

Constant speed

Acceleration

Not moving

24.

Multiple Choice

30 sec

1 pt

^{Which graph represents a student standing at their locker for a period of time.}

A

B

C

D

25.

Multiple Choice

30 sec

1 pt

Four solid balls, each with a different mass (5, 10, 15, and 20 kg), are moving at the same speed. Which ball would require the most force to stop its motion?

Ball with a mass of 5 kg

Ball with a mass of 10 kg

Ball with a mass of 20 kg

Ball with a mass of 15 kg

26.

Multiple Choice

30 sec

1 pt

The acceleration of an object is inversely proportional to the net force acting on it.

True

False

27.

Multiple Choice

2 mins

1 pt

A car with a velocity of 22 m/s is accelerated uniformly at the rate of 1.6 m/s² for 6.8 s.
What is its final velocity?

32.8 m/s

11.1 m/s

33 m/s

11 m/s

28.

Multiple Choice

1 min

1 pt

What is the acceleration between 5.00 and 10.00 seconds?

0.00 m/s²

30.0 m/s

5.00 s

6.00 m

29.

Multiple Choice

1 min

1 pt

What is the acceleration between 10.0 and 15.0 seconds?

10.0 m/s

-10.0 m/s

2.00 m/s²

-2.00 m/s²

30.

Multiple Choice

3 mins

1 pt

A race car can be slowed with a constant acceleration of 11 m/s².
If the car is going 55 m/s, how many meters will it travel before it stops?

140 m

5.0 s

2.5 m

Does Not Exist

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