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WorksheetsTopical test 2 Sem 1 2020
Total questions: 20
Worksheet time: 26mins
Which of the following is a unit of density?
cm3 / g
g / cm2
g / cm3
kg / m2
The mass of a beaker of cooking oil is 1.20 kg.
The volume is 0.4 m3.
What is the density of oil?
0.33 kgm-3
0.48 kgm-3
3.00 kgm-3
Diagram shows 4 solid blocks with their dimensions and masses.
Which block has the smallest density?
A long distance runner wishes to calculate her average speed for a race.
Which calculation should she use?
A liquid has a volume of 0.40 m3 and a mass of 30 000 g.
What is the density of the liquid?
0.075 kg m-3
7.5 kg m-3
750 kg m-3
7 500 kg m-3
What is the acceleration of the car at time 4.0s?
0.33 ms-2
0.44 ms-2
2.30 ms-2
3.00 ms-2
A car decelerate with 4 m s-2 when it approaches a red traffic light.
The car travels 50 m before it stops completely.
What is the initial velocity?
0 ms-1
20 ms-1
200 ms-1
Which of the following is the correct acceleration-time based on the velocity-time graph above?
What is the distance travel by car from 6s to 10s?
1.25 m
5.0 m
50.0 m
125 m
A parachutist is falling at terminal velocity.
She now opens her parachute.
Which of the following statement is true about her motion ?
Moving upwards with acceleration
Moving downwards with acceleration
Moving upwards with deceleration
moving downwards with deceleration
An bird travels horizontally at a constant speed.
Which direction indicates the weight?
A
B
C
D
A feather and a metal ball are release at the same time in air.
On earth, the feather reaches the ground later.
On the moon, the reach the ground at the same time.
What is the explanation for this?
Both weigh less on the moon
Both weigh the same on the moon
Greater air resistance on the moon
No air resistance on the moon
While a bungee jumper falls freely from a high
platform, which of the quantity remain constant?
velocity
acceleration
distance
speed
Diagram shows a lorry carrying logs. The arrangements of logs is to reduce inertia by reducing the ..........
Weight
Volume
Mass
Density
Which of the following has the biggest inertia?
The S. I unit for momentum is
kg m2 s-2
kg m s-2
kg m s-1
kg m-1 s-1
Which of the following is best describe momentum?
Is a base quantity
Is a scalar quantity
the product of mass and acceleration
the product of mass and velocity
Which vehicle has the smallest momentum?
[m =mass, v = velocity]
A 150 g ball is moving at a speed of 45 m s -1 when it is hit by a baseball bat.
The ball rebounds at a speed of 55 m s -1 .
What is the momentum on the ball after collision?
6.75 kg ms-1
8.25 kg ms-1
6750 kg ms-1
8250 kg ms-1
An object of mass 3.0 kg, traveling at a speed of 6.0 ms-1, collides with an object of mass 2.0 kg, travelling in the opposite direction at a speed of 2.0 m s-1.
The object STICK together during collision.
What is the speed and direction of the combined mass after the collision?
4.4 ms-1 to the left
4.4 ms-1 to the right
2.8 ms-1 to the left
2.8 ms-1 to the right
