1
TS EAMCET 2023 (Online) 12th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

While a person climbs stairs, the gravitational potential energy of the person increases. The source of this energy is

A
work done by normal force from the steps
B
work done by frictional force from the steps
C
work done by air resistance
D
work done by internal forces within the person's body
2
TS EAMCET 2023 (Online) 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
Two bodies of masses of 1 g and 4 g are moving with equal kinetic energies. The ratio of the magnitudes of their linear momenta is
A
$4: 1$
B
$\sqrt{2}: 1$
C
$1: 2$
D
$1: 16$
3
TS EAMCET 2023 (Online) 12th May Morning Shift
MCQ (Single Correct Answer)
+1
-0
The displacement $s$ of a body of mass 3 kg under the action of a force is given by $s=\frac{t^3}{3}$, where $s$ is in metres and $t$ is in seconds. The work done by the force in the first two seconds is
A
32 J
B
3.8 J
C
5.2 J
D
24 J
4
TS EAMCET 2022 (Online) 20th July Evening Shift
MCQ (Single Correct Answer)
+1
-0

A boat of mass 1000 kg goes from rest to speed 20.0 $\mathrm{m} / \mathrm{s}$ in 5.0 s . The water exerts a constant drag force and the acceleration of the boat is constant. If the average power required by the boat is 45000 W , then the magnitude of the drag force is

A

500 N

B

750 N

C

250 N

D

1000 N

TS EAMCET Subjects

Browse all chapters by subject