WorksheetsForce and Motion
Total questions: 25
Worksheet time: 16mins
The basic quantity in the International system of units, is
mole and light intensity
electric current
time and temperature
All correct
SI unit for the surface tension, is
kg/m2
kg/m3
N/m
kg/m
109, is called
Mega
Pica
Terra
Giga
The thickness of a micro, is
10-12
10-9
10-6
10-3
Acceleration is expressed as
m/s
m/s2
km/h
N/m
1 kg wt in gravitational unit equals
9.8 N in SI system
8.9 N in SI system
4.5 N in SI system
5.4 N in SI system.
Identify the row that contains two scalars and one vector quantity
distance, acceleration, velocity
speed, mass, acceleration
distance, weight, force
speed, weight, acceleration
Identify the row in the table that shows the total distance walked and the magnitude of the final displacement.
total distance 0 m , final displacement 80 m
total distance 0 m , final displacement 380 m
total distance 190 m , final displacement 0 m
total distance 380 m , final displacement 0 m
total distance 380 m , final displacement 380 m
Two forces act on an object as shown.
10 N
30 N
40 N
50 N
During training, an athlete sprints 30 m East and then 40 m West. Identify the row in the table which gives the distance traveled and the displacement from the starting point.
distance traveled 10 m, final displacement 10 m East
distance traveled 70 m, final displacement 10 m West
distance traveled 10 m, final displacement 70 m East
distance traveled 70 m, final displacement 10 m East
Identify which of the following quantities can be described fully by its magnitude.
force
displacement
energy
velocity
acceleration
Identify which of the following quantities can be described by their magnitude and direction.
mass
time
speed
kinetic energy
acceleration
Identify which row in the table contains only one vector.
acceleration displacement force
distance velocity energy
acceleration speed force
force energy distance
A motorbike undergoes a constant acceleration from rest and travels a distance of 60 m in 6.0 s. The acceleration of the motorbike is:
20 m/s-2
10 m/s-2
5 m/s-2
0 m/s-2
A ball rolls off the edge of a table. The horizontal component of the ball's velocity remains constant during its entire trajectory because
the ball is not acted upon by any force.
the net force acting on the ball is zero.
the ball is not acted upon by a force in the horizontal direction.
None of the other choices is correct.
For general projectile motion, which statement is true when the projectile is at the initial and final points of the parabolic path?
The magnitude of the x and y components of its velocity are same at both points.
The magnitude of its x component of velocity at the initial point is smaller than its magnitude of the y component of velocity at the final point.
The magnitude of its x component of velocity at the initial point is bigger than its magnitude of the y component of velocity at the final point.
The velocity components are zero at both points.
A stand holds two white balls. At the same instant the ball one ball is dropped straight down, the other ball is shot straight out. Which ball will hit the ground first? (Neglect Air resistance)
The shot ball.
None of the above.
The dropped ball.
Both hit at the same time.
Which angle produces the greatest range?
30 degrees
45 degrees
60 degrees
90 degrees
Which two angles will produce the same range?
30 and 60 degrees
35 and 65 degrees
40 and 60 degrees
45 and 15 degrees
What factor(s) affect how far a projectile will land?
Both angle and initial velocity
Angle
initial velocity
None of the above affect how far a projectile will land.
A motorcyclist moves at a constant speed down one hill and up another hill along the smooth curved surface. When the motorcyclist reaches the lowest point of the curve its velocity and acceleration directions are:
A
B
C
D
A
B
C
D
The velocity of a particle moving with simple harmonic motion is . . . . at the mean position.
zero
minimum
maximum
none of the mentioned
A mass on a spring undergoes SHM. The maximum displacement from the equilibrium is called?
Period
Frequency
Amplitude
Speed
When an object in simple harmonic motion reaches its maximum displacement, which of the following statements are true?
The acceleration of the object is zero.
The kinetic energy is at a maximum.
The velocity of the object is zero.
The potential energy is at a minimum.
