WorksheetsKSSM F4 Chapter 1 - 3
Total questions: 30
Worksheet time: 34mins
Which of the following volume is the smallest?
7.41 X 1016 μm3
8.25 X 103 cm3
8.66 x 108 mm3
9.86 X 103 dm3
A physical quantity is given by the equation above. The unit for k is kg m2 s–2 while the unit for m is kg. What is the SI unit for b?
kg m s–1
kg m2 s–3
kg m2 s–2
kg m s–2
Which of the following instruments is most suitable to measure a length of 34.3 mm ?
Measuring tape
Metre rule
Vernier calipers
Micrometer screw gauge
Stop immediately
Accelerates towards X
Decelerates towards X
Move towards X with constant speed
A ball of mass 0.25 kg moves at a velocity of 40 m s-1 along a straight line hit on a wall and bounces back at a velocity of 30 m s-1 . The impulse acting on the ball is
0
2.5 kg m s-1
10 kg m s-1
17.5 kg m s-1
A manipulated variable
must be a base quantity
must be a derived quantity
must remain constant throughout experiment
can be determined before carrying out experiment
Which of the following steps can reduce the parallax error while recording the value of current from an ammeter?
Use a more sensitive ammeter
Use an ammeter with a plane mirror
Use a magnifying lens while taking the reading
Calculate the average value from the repeated readings
A meteor which is moving at a speed of 100.0 m s-1 towards Mars is detected at a height of 207.2 m from its surface. The meteor reaches the surface of Mars after 2.0 s. What is the gravitational acceleration of Mars?
0.90 m s-2
3.60 m s-2
53.55 m s-2
103.60 m s-2
1.00 cm
1.03 cm
1.07 cm
1.10 cm
Manipulated Variable : The number of pins attracted
Responding Variable : No of turns of the coil
Constant Variable : Current flows in coil
Manipulated Variable : Current flows in coil
Responding Variable : The number of pins attracted
Constant Variable : No of turns of the coil
Manipulated Variable : No of turns of the coil
Responding Variable : Current flows in coil
Constant Variable : The number of pins attracted
Manipulated Variable : No of turns of the coil
Responding Variable : The number of pins attracted
Constant Variable : Current flows in coil
7.2 m s-1
9.4 m s-1
22.8 m s-1
43.3 m s-1
An astronaut lands on a planet where the gravitational field strength at its surface is greater than that on Earth. Which of the following will be the same as on Earth?
The period of oscillation of a simple
pendulum.
The weight of the astronaut as measured
by a spring balance.
The easiness in changing the motion of a
swinging can of sand.
The height reached by the astronaut when
he jumps with the same initial velocity.
The depth of ball immersed depends on the size of body
The bigger the size of body, the smaller the buoyant force
The volume of water displaced is affected by the size of the ball
The depth of ball immersed increases when the total weight increases
0.25 m
0.35 m
0.45 m
0.50 m
The total momentum before the collision is equal to the total momentum after the collision.
The momentum of ball Y before the collision is equal to the momentum of ball Z before the collision.
The total kinetic energy after the collision is equal to the total kinetic energy before the collision.
The kinetic energy of ball Y is equal to the kinetic energy of ball Z before the collision.
Diagram shows an astronaut throws a tool box in order to get back to the space capsule.
The physics principle involved is
Inertia
Newton's Second Law
Principle Conservation of Energy
Principle Conservation of Momentum
Fm is smaller than Fe since the moon has smaller mass.
Fm is equal to Fe since both tins have the same mass.
Fm is equal to Fe since both tins have the same weight.
Fm is smaller than Fe since the tin on the moon has smaller weight.
Two bodies are at a certain distance apart. If the mass of the two bodies is doubled, and the distance between them does not change, how much does the gravitational force between them change?
1/4 times
1/2 times
4 times
No change
The moon located at a distance R from the centre of Earth has a period of 27 days in orbit around the Earth. What is the period of a satellite with radius 1/2 R orbit round the Earth?
3.4 days
7 days
21 days
108 days
A car is turning a bend at a speed of 20 km h-1. The centripetal force experienced by the car is 100 N. If the car is now turning the same bend at 40 km h-1. What is the new centripetal force acting on it?
50 N
100 N
200 N
400 N
A satellite is always visible on the surface of the Earth at the same place throughout the year. How much time does it take for the satellite to move in orbit?
1 hour
12 hours
24 hours
365 days
A geostationary satellite orbits the Earth in a circular path approximately 36 000 km. The radius of the Earth is approximately 6400 km and the period of rotation of the Earth is 24 hours. What is the period of a spy satellite orbiting the Earth at a height of 400 km above the EArth's surface?
1/2 hour
1 hour
2 hours
4 hours
The radius of the Moon is 1 700 km and its mass is 7.4x1022 kg. What is the escape velocity from the surface of moon?
2.4 km s-1
4.5 km s-1
6.8 km s-1
11.0 km s-1
Which of the following statement about geostationary satellite is true?
I. The period of orbit is one day.
ii. the radius of the orbit equals twice the radius of the EArth
iii. the satellite appears stationary relative to points on surface of the Earth
I and II
I and III
II and III
I, II and III
The escape velocity of a rocket from the Earth does not depend on
the mass of rocket
the mass of Earth
radius of Earth
height of rocket from the Earth's surface
Diagram shows a rocket launched from O at an altitude from the surface of the Earth with a horizontal velocity, u. The rocket can only move around the Earth in a circular orbit. If the rocket launches with a velocity 3/4 u, which trajectory , P, Q, R or S the rocket will move ?
P
Q
R
S
Diagram shows two satellites A and B equal in mass and orbiting around a planet.
By comparing the magnitude of the gravitational force between Satellite A and planet, FA with the magnitude of the gravitational force between satellite B and the planet, FB, which statement is correct?
FA is half as large as FB
FA is twice as large as FB
FA is one quarter as large as FB
FA is four times as large as FB
