Font size
WorksheetsTrial UPS 1 SP015
Total questions: 31
Worksheet time: 23mins
Which of the following is the systematic error?
Error due to wrong position of eyes when taking measurement.
Error due to curved meter rule.
Error due to the mistakes of observer.
Parallax error.
What is Q, if a slope of a Q versus time graph represents the velocity?
Impulse.
Potential energy.
Velocity
Displacement.
Which of the following statements is TRUE about increasing positive velocity-time graph of an object?
The area under the graph is instantaneous velocity of the object.
The gradient of the graph is the displacement of the object.
The gradient of the graph is the instantaneous acceleration of the object.
The area under the graph is the average acceleration of the object.
A ball is thrown vertically upward from ground. If it achieves maximum height H, then its vertical velocity is
more than initial vertical velocity.
more than initial horizontal velocity.
zero.
same as final velocity.
Which is the following TRUE about inelastic collision?
Both total momentum and total kinetic energy are conserved.
Total kinetic energy is conserved but total momentum is not.
Total momentum is conserved but total kinetic energy is not.
Both total momentum and total kinetic energy is not conserved.
Force that always opposes motion between two surfaces in contact is termed as
weight.
friction.
resistance.
tension.
Which of the following statements is NOT TRUE about length and displacement?
Length is a base quantity.
Length has magnitude and direction.
Displacement has magnitude and direction.
Both quantity has the same S.I. unit.
Average velocity is defined as
The rate of change of displacement.
The change of displacement with respect to time.
Displacement moved per unit time.
All the above.
On a displacement-time graph, the steeper the line
the faster the motion
the longer the time
the further the distance
the slower the motion
Which of the following is TRUE for an object in a projectile motion with initial velocity, u and angle.
The horizontal component of velocity is zero at the highest point of its flight.
The horizontal component of acceleration is 9.81 ms-2.
The vertical component of velocity is zero at the highest point of its flight.
The vertical component of acceleration is 9.81 ms-1.
Impulse is defined as
the product of an object mass and velocity.
the change in the momentum of the object.
the total momentum is constant.
the total kinetic energy is constant.
If an object flies into space, its
mass and weight both would remain same
mass would change but weight would remain same
mass would remain same but weight would change
mass and weight both would change
If two forces of 3 N acting on an object in opposite direction. Resultant force will be
6 N
3 N
9 N
Zero
The rate of change of velocity is called
acceleration
motion
momentum
inertia
The graph represents the relationship between velocity and time for an object moving in a straight line.
Which of the following statements is true?
The object speeds up
The object slows down
The object moves with a constant velocity
The object stays at rest
An impulse is equivalent to
the change in mass of an object.
the change in volume of an object.
a force applied to an object for a period of time.
the original momentum of the object.
According to the conservation of momentum, the momentum before a collision should be __________ momentum after a collision.
twice the original momentum of the object's
greater than the
the same as the
less than the
A body at rest tends to remain at rest and a body in motion tends to remain in motion unless acted upon by an unbalanced force is stated in the Newton’s :
gravitation law
1st law
2nd law
3rd law
What unit do scientists use to measure force?
Newton
Grams
Meters
Meter per second per second
What is the net force on the box shown below?
10 N to the left
10 N to the right
60 N to the left
50 N to the right
Which of the following quantity is NOT the basic quantity?
Amount of substance
Time
Electric current
Speed
An object moves at a constant speed of 6 ms-1. This means that the object:
Increases its speed by 6 ms-1 every second.
Decreases its speed by ms-1 every second
Moves 6 meters every second.
Does not move.
Which of the following is true from FIGURE 1?
The object decreases its velocity
The object’s velocity stays unchanged
The object stays at rest
The object increases its velocity
A football, a hockey puck, and a tennis ball all fall down in the absence of air resistance as
shown in FIGURE 2. Which of the following is TRUE about their acceleration?
The acceleration of the football is greater than the other two.
The acceleration of the hockey puck is greater than the other two.
The acceleration of the tennis ball is greater than the other two.
They all fall down with the same constant acceleration.
Direction of momentum is direction of object's
mass.
acceleration.
velocity
frictional force
For equilibrium, the net force acting on the body is zero.
True
False
Constant
None
Which of the following is TRUE for an object in a projectile motion with initial velocity, u and angle.
The horizontal component of velocity is zero at the highest point of its flight.
The horizontal component of acceleration is 9.81 ms-2.
The vertical component of velocity is zero at the highest point of its flight.
The vertical component of acceleration is 9.81 ms-2.
Instantaneous rate of change of displacement is a definition of
Instantaneous velocity
Instantaneous acceleration
Instantaneous displacement
velocity
What value will you get if you calculate the gradient of a v-t graph
acceleration
velocity
deceleration
displacement
Distance is a _____________ quantity
vector
weight
scalar
mass
