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WorksheetsDYNAMICS
Total questions: 20
Worksheet time: 16mins
1.Consider the motion of the tip of the minute hand of a clock in 1 hour
the average velocity is zero
the distance covered is zero
the average speed is zero
none of these
Which of the following can be a closed curve?
Velocity-time
Displacement - time
Velocity - displacement
none of these
Which runner stopped for a rest?
Albert
Bob
Charlie
A body starting from rest and moving with uniform acceleration will have
v ∝ t
V ∝ s
V ∝ a
none
A ball is dropped from a balloon which is rising up with a speed of 2 m/s. After two seconds the velocity of the packet is
4 m/s
22m/s
18m/s
none of these
If abody is thrown in air with an angle with horizontal.Then the path followed by the body will be
Parabolic
elliptical
linear
none
An object cannot change the state of rest or of motion,till a force is applied on it. This property is due to
its mass
its weight
its volume
its acceleration
Which runner stopped for a rest?
Albert
Bob
Charlie
A car driving at 50 miles per hour drives for 2 hours. What distance did it cover?
50 miles
25 miles
100 miles
75 miles
The correct equation for acceleration is?
a = d/t
a = s/vf
a = vf - vi / t
p = m/v
If you throw a baseball straight up, what is its velocity at the highest point?
9.8 m/s2
9.8 m/s
0 m/s2
0 m/s
What is the resultant of these two vectors?
+2a
0
-2a
+a
How much time did it take Matthew to slow down to a complete stop, after traveling at 30 m/s. His acceleration is -12 m/s2
2.5 s
360 s
.4 s
-2.5 s
Mars’ gravitational force is less than that of Earth’s . If an astronaut drops a hammer and its speed increases from 0 to 15 m/s in 4.04 s, what is the acceleration due to gravity on Mars?
9.8 m/s2
0.269 m/s2
60.6 m/s2
3.71 m/s2
